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Peterbilt Conventional Trucks Operator`s Manual prior to 12-06

1. This gauge indicates the condition of the engine air cleaner and is measured by inches of water A clean filter should register 7 H5O may vary with system design and a filter whose life is over will register approximately 25 H5O Restriction Gauge reading 25 H0 may cause damage to the engine Inspect the filter and replace if neces sary Holes in the paper element render an air cleaner useless and may cause the Air Filter Restriction Gauge to give a false reading even if the element is clogged Replace the element if it is damaged Shift Pattern Display The correct shift pattern for your vehicle appears on your control panel or windshield or on a medallion in the shift knob It is important that you know more about your transmission than just the shift pat tern Please read the manufacturer s manual that is included with your vehicle Mirrors Your vehicle is equipped with outside mirrors to enable you to see to the sides and behind your vehicle Be sure they are adjusted prop erly before you drive off You will have the best field of view to the side if you adjust each mirror so you can just see the side of your vehicle in the inboard part of the mirror A CAUTION Continued operation with the Air Filter make objects appear smaller and farther away than they really are You could have an accident if you were too close to another vehicle or other object Keep plenty of space between your vehicle and others wh
2. Recommended SYSTEM COMPONENT MAINTENANCE TASK Drive Axle Axle Housing Drain and replace the lubricant See information on Meritor page 139 Lubricant filter Change the filter X Breather Check the operation If the cap doesn t rotate freely replace X Input shaft amp pinion shaft Check and adjust the endplay X Axle shaft Tighten the rear axle flange nuts to the specified torque value X Interaxle differential Check the operation X Rear U bolts Check the torque Tighten to specified torque value as required X X Suspension see page 169 Frame amp crossmember Check the torque Tighten to specified torque value as required X bolts see page 170 Mounting brackets and Check the condition and the fastener torque Tighten to the speci X X fasteners fied torque value as required see page 170 Brakes Brake lining Inspect replace as required X Slack adjusters Check the push rod travel and check the control arm for cracks X Adjust at reline see page 143 Slack adjusters Lubricate NLGI 2 grease X 8 LHVd 39IAd3S AONVNALNIVIN 98LL 6228 ON 1V2 ZLELGd LO ZLH OLSLO ZZ Recommended SYSTEM COMPONENT MAINTENANCE TASK PM interval Brake camshaft bearing Lubricate NLGI 2 grease X Brake treadle valve Clean the area around the treadle boot and mounting plate X Check the p
3. Follow the procedure below to stow the bunk in an UltraSleeper CAUTION To avoid damage do the following before stowing the bunk Ensure that the right sidewall cabinet door is latched closed Remove all items from the top of the bunk mattress and arrange bedding so that items will not slide down the mattress and fall behind the bunk and bunk restraint tongues then it may get pinched behind the pivoting bunk and the rear wall of the sleeper when the bunk is stowed If this happens unbuckle the bunk up belt and rotate the bunk open just enough to reach behind the bunk Free the restraint net then rotate the bunk fully down Hn NOTE If the restraint is left unattached from the roofbow 1 Optional Detach the bunk restraint end buckles from the bunk restraint tongues 2 Push in on the thumb lever of the bunk down latch to release the bunk 3 Lift up the bunk and swing it up to a vertical stowed position unrestrained bunk always latch the bunk up belt when j WARNING To avoid possible damage or injury from an the bunk is stowed 4 Latch the bunk up belt If the bunk leans forward when stowed have the belt adjusted or the gas springs serviced by a Peterbilt dealer PB1317 5229 62 22 01510 R12 01 PART 5 SEAT AND RESTRAINT SYSTEMS Seat For information on the features and adjustment of the seat see the seat manufacturer s literature included with the vehicle reclined positio
4. J Panel A o Panel C 10 9 LEFT SIDE 1 Tachometer 8 Speedometer 2 Oil Pressure 9 Clearance Lamps 3 Clock 10 Headlamps 4 Oil Temperature 11 Ignition Key Switch 5 Warning Lamp Cluster 12 Windshield Wiper Washer 6 Water Temperature 13 Panel Light Dimmer 7 Dual Air Pressure PB1317 CAT NO 5229 16 22 01510 R12 01 PART 4 CONTROLS AND DISPLAYS Conventional 1010 ww e Ga 13 14 15 16 17 or m v XT 999 Supe Co X zu e 959091919 mil pa gt Y 24 23 22 21 20 i 18 Panel D RIGHT SIDE 1 Fuel 13 Engine Brake 2 Air Cleaner Restriction 14 Engine Fan 3 Transmission Oil Temperature 15 Fuel Tank Selector 4 Voltmeter 16 LH Air Window 5 Manifold Pressure 17 RH Air Window 6 Front Driver Oil Temperature 18 Sleeper Door Lock 7 Air Application 19 Cab Door Lock 8 Pyrometer 20 RH Mirror 9 Rear Driver Oil temperature 21 Mirror Heat 10 Air Suspension 22 LH Mirror 11 Fifth Wheel 23 Day Night Signal 12 Interaxle Differential Lock 24 Cruise Control PB1317 CAT NO 5229 17 22 01510 R12 01 PART 4 CONTROLS AND DISPLAYS Typical COE Instruments and Controls 02973 LEF
5. for cracks or possible damage and that it works properly 4 Check the buckle and latch for proper operation and to determine if the latch plate is worn deformed or damaged 5 Inspect the retractor web storage device that is mounted on the floor or B pillar of the vehicle for damage The retractor is the heart of the occupant restraint system and can often be damaged if abused even unintentionally Check retractor web storage device operation to ensure that it is not locked up and that it spools out and retracts webbing properly cause excessive movement of the seat in an accident This could lead to greater injuries for you Tether belts should be adjusted so that they are taut when the seat is in its most upward and forward position 6 If adjustable tethers are being used be sure they are adjusted in accordance with installation instructions Tethers must also be inspected for web wear just as with the seat belt systems 7 Mounting hardware should be evaluated for corrosion and for tightness of bolts and nuts 8 Check web in areas exposed to ultraviolet rays from the sun If the color of the web in these areas is gray to light brown the physical strength of this web may have deteriorated due to exposure to the sun s ultraviolet rays replace the system j WARNING Failure to adjust tether belts properly can buckle side if replacement of any one part is necessary Unexposed damage to one or more components could pre ven
6. sop ENGINE DEE Lock LOW WATER E WATER CHECK BRAKE AIR ENGINE Conventional Lamp Cluster PB1317 5229 53 22 01510 812 01 PART 4 CONTROLS AND DISPLAYS PRESS HI BEAM WATER CHECK LOW LOW DIFF 63 eS i2 dia STATUS al WATER AIR LOCK goss amp QE COE Lamp Cluster When you turn on your ignition the following will turn on for 3 5 sec ondas as a test to let you know they are working LAMPS Diff Lock Water Water Temp Left Turn Mirror Heat Load Light Brake Air High Beam Fifth Wheel Right Turn Oil Pressure Engine Fan ABS Airbag System Warning Light Trailer ABS BUZZER The warning buzzer sounds to let you know some of the Systems are working OPTIONAL LAMPS Additional lamps may be operational depending on how the truck is equipped These will also turn on for three sec onds as a test to let you know they are working see ABS lamp infor mation on page 93 After this self test period the module operates normally The warning lights and buzzer may indicate something is wrong with one of the vital systems on your vehicle Check the lights frequently and respond properly as soon as you see one go on These lights could save you from a serious accident WARNING Ignoring a warning light could lead to an N accident These signals tell
7. Aluminum tank 30 Lb ft 41 N m Oylindrical Steel tank 8 Lb ft 11 N m Fuel tank steps Check for snug fit of side plates against tank and tank straps X Check for damaged or broken steps missing bolts and missing grommet between tank and side plate Replace missing or dam aged parts and adjust for fit as required Driveshafts Models 1610 1810 amp SPL Lubricate XIX 90 slip member amp U joints Model SPL 100 slip mem Lubricate X ber amp U joints Models SPL 140 140HD Lubricate X 170 170HD 250 250HD slip members amp U joints Models SPL 140XL Lubricate 360 000 miles 170XL 250XL slip mem bers and U joints ON HIGHWAY amp LINE HAUL 576 000 km every 3 years 8 LHVd 39IAd3S AONVNALNIVIN 921 6228 ON 1V2 ZLELGd 10 219 OLSLO ZZ Recommended SYSTEM COMPONENT MAINTENANCE TASK Interval Driveshafts Models SPL 140XL Lubricate X 170XL 250XL slip mem bers and U joints OFF HIGHWAY amp CITY Battery Battery cables Check the condition of the cables cushion clamps and routing X Boxes Tool Replace a cushion clamp if the rubber has deteriorated Repair or Boxes and tighten terminals and secure cables to prevent chafing Replace Steps damaged cables cuts cracks or excessive wear see page 162 Batteries Check for cracks and damage electrolyte level condition of termi X nals and tightness of h
8. OPERATOR S MANUAL Quick Table of Contents Introduction assosieer Cab And Frame Getting To Your Controls And Displays 16 Seat And Restraint 63 Driver s Checklists eese 76 Starting And Operating The Vehicle 80 Maintenance and 112 Vehicle Identification 184 Consumer Information ccccccssssseeeceeeceseeeseeeeeeeaeeeeees 185 Subject Index 187 California Proposition 65 Warning Diesel engine exhaust and some of its constituents are known to the State of California to cause cancer birth defects and other reproductive harm e Other chemicals in this vehicle are also known to the State of California to cause cancer birth defects or other reproductive harm e Battery posts terminals and related accessories con tain lead and lead compounds chemicals known to the State of California to cause cancer and reproductive harm Wash hands after handling PART 1 INTRODUCTION This manual contains useful information for the safe and efficient operation of your Peterbilt vehicle It also provides information on maintaining your vehicle in the best condition with an outline for pe
9. Spring Pins CL Clutch Release Bearings BB Brake Shoe Anchor Pins HT Brake Cam Bearings HT Slack Adjusters CL Starter Bearings CC Turbocharger Aneroid CC Water Pump BB Cab Tilt Hydraulic Reservoir Hydraulic Jack Oil MIL L 5056B Speedometer Cables Lubriplate Aero or equivalent Consult manufacturer or lubricant supplier for special details For oil reservoirs with side filler plugs transmissions axles steering gear boxes transfer cases etc the oil must be level with the filler opening Proper Oil Level improper Oii Level Use care when checking the oil level with a finger Just because you can reach the oil level with a finger does not mean the oil level is correct 2 PB1317 NO 5229 133 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE Fuller Transmission Lubrication Fuller transmissions are designed so that the internal parts operate in a bath of oil circulated by the motion of gears and shafts Grey iron parts have built in channels where needed to help lubricate bearings and shafts All parts will be amply lubricated if these procedures are closely followed 1 Maintain oil level check it regularly 2 Change oil regularly 3 Use the correct grade and type of oil 4 Buy oil from a reputable dealer Lubrication Change and Inspection Highway Use e Refer to the Eaton Fuller transmission manual for servicing information Referto the oil change vs temperature chart below for specia
10. WARNING N You can be hurt if you aren t careful climbing onto and off the deck plate You can slip and fall espe cially if the surfaces are wet or icy or if you step in fuel or grease Keep steps clean Always main tain at least three points of contact between your hands and feet and the steps and deck plate Do not climb onto and off the deckplate use steps and grabhandle provided If there is no deck plate or if proper steps and grab handles aren t provided don t climb onto the area behind the cab Peterbilt did not intend for the area to be a step if handrails or proper steps are not provided The pictures below show you the right way to get on and off the area behind your cab 02959 Hold handles as you step up Three points of contact PB1317 CAT NO 5229 T 22 01510 R12 01 PART 2 GETTING INTO AND OUT OF THE CAB AND FRAME ACCESS Three points of contact as you Three points of contact as you reach the deck area step to deckplate antiskid surfaces or use components not designed for entry and exit use You could fall and injure yourself if you step on a slippery surface For example You could fall and injure yourself if you step onto a fuel tank surface A fuel tank is nota step The tank surface can get very slippery and you might not be able to prevent a fall Don t step onto the surface of a fuel tank Use only the steps and handholds provided not chain
11. ence of excessive heat or an open flame hazardous gases may be generated These gases may cause unconsciousness or death If the system is leaking refrigerant Stay away from the hot engine until the exhaust mani fold has cooled Don t permit any open flame in the area Even a match or a cigarette lighter may generate a hazardous quan tity of phosgene gas Don t smoke in the area Inhaling gaseous refrigerant through a cigarette may cause violent illness j WARNING Excessive heat may cause your air condi Appearance Painted Surfaces CAUTION Do not aim the water jet directly at door locks or A hatch Tape the key holes to prevent water from seeping into the lock cylinders Water in lock cylinders should be removed with compressed air To prevent locks from freez ing in the winter squirt glycerin or lock deicer into the lock cylinders Wash frequently to remove grime and caustic deposits that may stain the finish Apply cool or lukewarm water You may want to use a mild soap Avoid washing your vehicle in bright sunlight WARNING Handle cleaning agents carefully Cleaning N agents may be poisonous Keep them out of the reach of children PB1317 CAT NO 5229 177 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE e Road tar may be removed with a special commercial tar remover or mineral spirits Waxing offers added protection against staining and oxidation But to allow enough time for
12. Use the service brakes for quick stops WARNING The service brakes must be used in an emer gency The retarder alone might not stop you fast enough to prevent an accident You could be badly hurt if you relied only on the retarder WARNING Do not use the retarder when operating on road surfaces with poor traction such as wet icy or snow cov ered roads or gravel Retarders can cause the wheels to skid on a slippery surface You could lose control of the vehicle if the wheels begin to skid resulting in an accident E L9 5 7 PB1317 NO 5229 102 22 01510 R12 01 PART 7 STARTING amp OPERATING THE VEHICLE Driving Bobtail or with an Unloaded Trailer We recommend that you do not use your engine retarder to slow down when you are bobtailing or pulling an empty trailer lockup The trailer is not loading the tires enough to give the traction you may need When you are bobtail or unloaded you can have a serious accident if your wheels lock suddenly during braking You could be injured Don t use your retarder when you are driving bobtail or with an unloaded trailer WARNING Using an engine retarder can cause a wheel Pyrometer Maintaining Correct Operating Temperature The optional pyrometer indicates engine exhaust gas temperature Because it responds almost immediately to changes in exhaust tem perature the pyrometer is an excellent indicator of engine output If you watch engine speed and exhaust
13. You could be badly injured and you could damage the vehicle Do only work you know you are fully capable of doing and for which you have the right tools Brake Adjustment reduce risk of personal injury park the vehicle on a hard level surface apply the parking brake and chock all wheels securely j WARNING To prevent uncontrolled vehicle movement and To operate your vehicle safely and profitably you need some under standing of its brake systems For more on brakes see the Index under Brakes Brake adjustment and brake balance must be set carefully to 1 make the most efficient use of the forces available for braking and 2 allow equal stopping forces at all wheels CAUTION The air brake system of this vehicle was con A figured for ONE of the following operations tractor or truck and complies with the respective portions of FMVSS 121 A tractor shall not be operated or config ured as a truck nor shall a truck be operated or config ured as a tractor without significant modifications to the air brake system in order to retain compliance with FMVSS 121 Contact your Peterbilt dealer for instructions Once brake system is set to specifications changing any one of its components or any combination of components may cause the sys tem to not work as well All parts have to work together to perform as they should Any replacement components in your brake system should be exactly equal to the original components Any ch
14. Your manifold pressure gauge indicates the power your engine is put ting out by showing the amount of turbo boost If the pressure indi cated by your manifold pressure gauge goes down there may be something wrong with your engine Have it checked by a qualified service person Pyrometer PYROMETER Sor eee oe 77 02996 The pyrometer gauge indicates engine exhaust gas temperature Since it responds almost immediately to changes in exhaust gas tem perature the pyrometer is an excellent indicator of engine output Monitor it in conjunction with the tachometer and manifold pressure gauge The pyrometer can be a useful aid to operating your truck more efficiently and avoiding sudden changes in engine operating temperature See your engine owner s manual for maximum temper ature recommendations Ammeter Your ammeter tells you whether your electrical system is in balance and operating normally If not it may be drawing power from the alternator positive reading or from the batteries negative reading zero If it begins to read noticeably above or below the zero balance point have the system checked out immediately If you do not you could have a roadside breakdown H NOTE Under normal conditions the ammeter will read nearly PB1317 CAT NO 5229 56 22 01510 R12 01 PART 4 CONTROLS AND DISPLAYS Air Filter Restriction Indicator or Gauge 20 H20 vac 2 30 10
15. permanent repairs made On turbocharged engines check joints at the flanges and mounting brackets for tightness e Mufflers Check clamps and mounting brackets for security Check internal baf fling for security You can do this by listening for rattling sounds while tapping the muffler with a rubber mallet or revving the engine up and PB1317 NO 5229 180 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE down through its normal operating range Check muffler for rust and corrosion e Exhaust Tail Pipe s Check the mounting security Tighten as necessary The miter cut at the tip of the pipe must be facing the rear of the truck Do not modify the end of the pipe in any way Fan Shroud warning Anyone near the fan when it turns on could be badly injured Before turning on the ignition be sure that no one is near the fan Do not work on the fan with the engine running j WARNING The engine fan can engage at any time without Check all fasteners for tightness Check for stress cracks in the shroud Make sure the shroud is adjusted so that it does not touch the fan blades Hood Insulation Blanket Fasteners Check all fasteners for condition and security Repair or replace any broken or defective fasteners Blanket Check for chafing tears etc Patch it if necessary Find the cause of the damage If any component or accessory is causing wear or damage and can t be relocated put reinforcing pads on the blank
16. under Starting and Operating 80 PB1317 5229 26 22 01510 812 01 PART 4 CONTROLS AND DISPLAYS Hand Throttle Control cruise control It could cause an accident and you could be seriously injured In an emergency you might not be able to unset it in time to save yourself and your vehicle from an accident Never try to control road speed with your hand throttle control Always push in the hand throttle before driving the vehicle If you have a hand throttle in conventional cabs it is usually located to the left of the driver s seat mounted on the floor In COEs it is under the lefthand dash It can be especially helpful in cold weather to keep your engine running at above idle speed when you leave the vehicle briefly For more information on idling your engine safely see the Index under Engine j WARNING Do not use the hand throttle control as a Headlights The headlights are controlled by the control panel switch showing this symbol When the headlights are ON the dash lights side and tail lamps are also on during periods of darkness or reduced visibility Do not use DRL as a substitute for headlights or other lights during operations that require lighting of your vehicle Doing so could lead to an injury accident j WARNING Do not use daytime running lights DRL NOTE On vehicles equipped with daytime running lights DRL the high beam headlamps go on automatically at reduced brightness
17. 01 PART 7 STARTING amp OPERATING THE VEHICLE hold a parked vehicle is dangerous Because they work with air pressure these brakes could come loose Your vehicle could roll causing a serious accident Someone could be hurt or killed Always set the parking brakes Never rely on the trailer hand brake or truck air brakes to hold a parked vehicle j WARNING Using the trailer hand brake or air brakes to 2 If you are parked on a steep grade block the wheels Blocked Wheels 3 Drain water from the air reservoirs While the engine and air supply system are still warm drain mois ture from the air reservoirs Open the reservoir drains just enough to drain the moisture Don t deplete the entire air supply Be sure to close the drains before leaving the vehicle Opening Drains 4 Secure the vehicle Close all the windows and lock all the doors PB1317 CAT NO 5229 105 22 01510 R12 01 PART 7 STARTING amp OPERATING THE VEHICLE Setting Ride Height Vehicles equipped with rear air suspensions have their ride height and axle pinion angle s preset at the factory These are precision settings and should not be altered Incorrectly adjusted ride height may result in improper interaxle U joint working angles This can result in premature driveline wear and driveline vibration If your vehi cle is equipped with a Peterbilt rear air suspension and if it becomes necessary to reset the rid
18. 15 16 12 Inner 750 900 1025 1225 Piloted Disc Wheels 15 16 12 Outer PHP 10 Budd Uni M22 x 1 5 6H 450 500 610 680 Mount 10 WHD 8 Rim Clamp Nut Torque Cast Spoke Wheel 1 2 Dia 80730 DIONISO Assembly 5 8 Dia 160 185 220 250 3 4 Dia 225 245 305 335 Vehicle Loading WARNING The components of your vehicle are N designed to provide satisfactory service if the vehicle is not loaded in excess of either the gross vehicle weight rating GVWR or the maximum front and rear gross axle weight ratings GAWRs Axle weight ratings are listed on the driver s door edge Supervise all loading to ensure that 1 the Gross Vehicle Weight Rating GVWR is not exceeded and 2 the load is distributed correctly so that the weight distribution is within the limits of the front and rear axle load ratings Severe damage to your vehicle difficult handling or an accident could occur if your vehicle is not loaded properly GVW GVW is the Gross Vehicle Weight This is the TOTAL WEIGHT your vehicle is designed to carry Never carry so heavy a load that you exceed the GVW rating of your Peterbilt vehicle Axle Weight Your front and rear axles are rated according to the load they are designed to carry You will find this number listed on the driver s door frame Load Distribution Be sure any load you carry is distributed so that no axle has to support more than its load limit PB1317 NO 5229 154 22 01510 R12 01 PART
19. 39IAd3S AONVNALNIVIN PART 9 VEHICLE IDENTIFICATION NUMBERS Each vehicle completed by Peterbilt Motors Company uses a Vehicle Identification Number VIN that contains the model year designation of your Peterbilt The practice is in compliance with 49 CFR 565 Code of Federal Regulations The Vehicle Identification Number is on the brass Peterbilt name plate and also on the foil labels on the left hand door post The VIN con tains 17 digits The 10th digit is the code for the model year of your vehicle The example VIN below from a 1999 model shows how this code works Ortu Matis Company O A DIVISION OF PAGAR DENTON TEXAS U S A O MODEL 22 00001 REY 6 lt S z 02954 EXAMPLE VIN 1XP 9D2X9 6 345678 Model Year Serial Number Plant Code X 1999 Y 2000 D Denton Factory 1 2001 2 2002 N Nashville Factory 3 2003 4 2004 5 2005 6 2006 7 2007 8 2008 9 2009 0 zero Glider Kit PB1317 CAT NO 5229 184 22 01510 R12 01 PART 10 CONSUMER INFORMATION stituents are known to the State of California to cause cancer birth defects and other reproductive harm Other chemicals in this vehicle are also known to the State of California to cause cancer birth defects or other reproductive harm This warning requirement is mandated by California law Proposition 65 and does not result from any change in the mann
20. 7 STARTING amp OPERATING THE VEHICLE 2 If an ABS equipped trailer is properly connected the trailer ABS warning lamp will remain illuminated for a few more seconds while the trailer ABS is tested e f no trailer ABS problems are detected the lamp will go off e lfatrailer ABS problem is detected the lamp will remain on The driver should have the trailer s ABS problem corrected before the vehicle is driven with that trailer attached Wheel Spin Control Warning Lamp Your truck tractor ABS may have an acceleration slip regulation ASR or automatic traction control ATC feature Either of these features is monitored by a wheel spin control warning lamp In conventional mod els this lamp is located in the warning lamp cluster see page 53 In COE models this lamp is located on the main dash 02935 The Wheel Spin Control warning lamp will briefly illuminate and then go out when the ignition switch is first turned on The Wheel Spin Control warning lamp will illuminate whenever the ASR or ATC sys tem detects drive wheel spin The lamp will remain illuminated as long as wheel spin is detected and the ASR or ATC system is apply ing the drive wheel brakes or reducing engine torque Do not allow the Wheel Spin Control lamp to remain on continuously for an extended length of time Extended continuous use of the ASR ATC can cause overheating of the drive wheel brakes Engine torque or vehicle speed should be reduced to e
21. Drain the lubricant while warm Flush each unit with clean flushing oil 500 000 miles 800 000 km Main amp auxiliary transmis sion Dana Main amp auxiliary transmis sion OFF HIGHWAY Drain the lubricant while warm Flush each unit with clean flushing oil Main amp auxiliary transmission Meritor Transfer Case Check the oil level refill as required see page 138 8 LHVd 39IAH3S AONVNALNIVIN 121 6228 ON 1V2 ZLELGd 10 219 01910 22 Recommended SYSTEM COMPONENT MAINTENANCE TASK Main amp Transfer Case Drain lubricant while warm Flush each unit with clean flushing oil X auxiliary transmission Meritor Main amp Freedomline Transmis Change the oil see page 138 500 000 miles auxiliary sion 800 000 km transmission ZFMeritor Air Intake Air intake piping mount Check the system for broken pipes leaks joint integrity cleanli X ing and charge air cooler ness and proper support see page 173 Engine air intake tubing Disassemble clean check for cracks leaks and joint integrity X Cold starting aids Check for leaks and proper operation see page 81 X Air cleaner Replace the element as indicated see page 173 When required by the air restriction indicator Clutch Clutch pedal shaft Check for excessive looseness and lubricate NLGI 2
22. Federal and state agencies also have information you can ask for The Interstate Commerce Commission can give you information about regulations governing transportation across state lines And various agencies in state governments are sources for regulations that differ from state to state Warnings We ve put a number of warning messages in this manual They are there for your protection and information Please read them and fol low them They can help you to avoid injury to yourself and your pas sengers as well as to prevent costly damage to your vehicle We ve PB1317 CAT NO 5229 22 01510 12 01 PART 1 INTRODUCTION used certain symbols and signal words to indicate what kind of mes sage is going to follow When you see these symbols amp words you know that you need to pay special attention Please don t ignore any of these signals j WARNING When you see this symbol amp word the message that follows is espe cially vital This signals something that can cause serious injury or death This message will tell you what the hazard is what can hap pen if you don t heed the warning and how to avoid it For example WARNING Attempting repair work without sufficient training service manuals and the proper tools can be dangerous You could be injured or you could make your vehicle unsafe Do only those tasks you are fully qualified to do CAUTION This symbol amp word signals something that could damage y
23. GETTING TO YOUR ENGINE To Raise the Cab 1 7 Park the vehicle a level surface to ensure proper hook and latch alignment Apply the parking brake Make sure the shift lever is in Neutral This will prevent the shift lever from getting caught on the cab during tilt operation Secure or remove all loose items in the cab and luggage compart ments Close all doors Check the clearance above and ahead of the cab Be sure there will be enough room to clear roof antennae roof fairings and side extenders when you tilt the cab Check for obstructions overhead such as branches power lines lights etc Check also for obstruc tions in front such as walls work benches other vehicles etc Place the control valve handle in the Tilt Raise position Handle in Tilt Position Pump the cab up until the mechanical lock engages Now put the control valve handle in the center position Mechanical lock engaged Mechanical lock disengaged PB1317 CAT NO 5229 12 22 01510 R12 01 PART 3 GETTING TO YOUR ENGINE When the cab is raised to the point where the weight of the cab is greater in front of its hinges than to the rear gravity will make it fall for ward It will fall at a controlled rate 8 If you want the cab in the full forward position pull the cable to dis engage the mechanical lock You may have to free the lock by raising or lowering the cab to relieve pressure on the locking mechan
24. NOTE To allow for proper operation of the vehicle ventilation PB1317 CAT NO 5229 175 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE e Check hoses connections and heater core for condition and leaks Check the drain pan of the fresh air vent for trapped water before assuming that there is a leak in the heating system e Ifthe heater core is leaking take the vehicle to a Peterbilt dealer for proper heater service or repair Check the heater core for debris blocking the air flow If the blower is functioning properly yet the heater is not operating prop erly the heater core may be clogged Clean the heater core if nec essary If the condition persists take the vehicle to a Peterbilt dealer for proper heater service or repair Air Conditioner sure If not handled properly it could explode causing injury to you and your vehicle Any servicing that requires depressurizing and recharging the air condi tioning system must be conducted by a qualified techni cian with the right facilities to do the job j WARNING The air conditioning system is under pres with tensioners No belt adjustments can be made Replace a poly vee belt when the indicator on the tensioner is no longer within the recommended green range Hn NOTE Engines equipped with poly vee belts are equipped e Check the compressor belt for condition and proper tension Adjust 105 125 pounds e Check the compressor and drive clutch for
25. You could have a vehicle roll away resulting in an accident You or others could be badly injured Always apply the parking brakes for parking or holding your vehicle on grade j WARNING It is dangerous to use air applied trailer Tilt Telescoping Steering Column The tilting feature of the steering wheel allows forward and rearward movement of the wheel The telescoping feature allows you to move the wheel up and down 02976 Tilt Telescope Lever 02976A Model 379 vehicles built on or after 5 1 98 with SRS WARNING Adjusting the Tilt Telescoping Steering Wheel while the vehicle is in motion could cause loss of control You wouldn t be able to steer properly and could have an accident Make all adjustments to the steering mechanism while the vehicle is stopped Model 379 vehicles To tilt the wheel Push the lever away from yourself Move the steering wheel to the desired angle then release the lever to lock To raise or lower the wheel Pull the lever towards yourself Push or pull the wheel to the desired height then release the lever to lock All other models To tilt the wheel Pull the lever towards yourself Move the steer ing wheel to the desired angle then release the lever to lock To raise or lower the wheel Push the lever away from yourself Push or pull the wheel to the desired height then release the lever to lock PB1317 CAT NO 5229 24 22 01510 R12 01 PART 4 C
26. adjust Next push the arrow that points toward the direction you want to move the mirror Mirror Heat Switch j WARNING Convex mirrors can distort images and make 02899 H NOTE The Power Mirror Switch does not control the adjust ment of the convex mirrors Mirror heat is controlled by the control panel switch labelled MIR HT If the vehicle is equipped with this switch mirror heat can be switched on to help remove frost and ice from the mirror glass PB1317 NO 5229 34 22 01510 R12 01 PART 4 CONTROLS AND DISPLAYS Digital Message Center TRIP CLOCK n ENTER gt FUEL MAINT CANCEL v DIAG SENSOR INFO 03038 The optional digital message center DMC is an onboard computer used to provide the following trip information clock calendar fuel economy sensor data fault codes maintenance information warning messages The DMC is available on conventional models The DMC vacuum fluorescent display is capable of displaying 40 characters Navigation through the information is done by means of an integral keypad Refer to the DMC operator s manual that came with the vehicle for more information on using this component PB1317 CAT NO 5229 35 22 01510 R12 01 PART 4 CONTROLS AND DISPLAYS Brakesaver T
27. brake If adjustment is necessary and the slack adjuster is working the adjusting hex nut will rotate dur ing the chamber return stroke Installing a wrench on the hex nut will make this easier to see On each stroke after the first the amount of adjustment and chamber travel will be less Tires Wheels And Rims Tires Your tires are a very important part of your vehicle s whole braking system How fast you can stop depends in large measure on how much friction you get between the road and your tires In addition keeping your tires in good condition is essential to the safe efficient operation of your vehicle Regular frequent inspection and the right care will give you the assurance of safe and reliable tire operation Here are some tips on maintaining your tires accident The extra heat caused by underinflation can cause sudden tire failure Low pressure may affect con trol at the front wheels You could be seriously hurt in an accident that could result Keep your tires inflated to the manufacturer s recommended limit j WARNING Underinflated tires could cause a serious 1 Underinflated Tires Low pressure is a tire s worst enemy Under inflation allows tires to flex improperly causing high temperatures to build up Heat causes early tire damage such as flex break radial cracks and ply separation Low pressure may affect control of your vehicle especially at the front wheels Most tire wear problems are caused by underinfl
28. cab or sleeper is damaged H NOTE Keep the engine exhaust system and the vehicle s Master Lubrication Index Lubricant Symbol Key BB Ball Bearing grease CB Engine oil for mild to moderate requirements CC CD Engine oil for severe requirements MIL L 2104B MIL L 45199B w 1 85 max sulfated ash content CD Engine oil meeting API Five engine test sequence CD50 SAE 50W synthetic transmission fluid CE Engine oil meeting severe duty service requirements for direct injection turbocharged engines CL Multipurpose chassis grease C4 Type C4 transmission fluid torque fluid EP Extreme Pressure Lubricant GL Straight mineral gear lubricant HD Hypoid Gear Oil A P l GL 5 SAE 80W 90 HT High Temperature grease Timken Spec 0 616 MP Multipurpose gear lubricant MIL L 2105B WB Wheel Bearing grease Timken Spec 0 610 H NOTE The responsibility for meeting these specifications the quality of the product and its performance in service rests with the lubricant supplier PB1317 NO 5229 132 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE Component Lubrication Index Component Lubricant Universal Joints EP Drive Shaft Splines CL Wheel Bearings driven hubs HD Wheel Bearings nondriven hubs CD50 Wheel Bearings all grease lubri WB cated hubs Steering Column CL Alternator Bearing BB Fan Hub BB Power Steering Reservoir C4 Steering Drag Link CL Steering Knuckles CL
29. charging the battery at a rate not over 6 amperes Normally a battery should be charged at no more than 10 percent of its rated capacity 5 After charging turn OFF charger and disconnect charger cables Jump Starting Batteries If your battery is discharged dead you may be able to start it by using energy from a good battery in another vehicle This is termed jump starting Because of the various battery installations in optional electrical systems Peterbilt does not recommend that you attempt to jump start your vehicle If you have a battery problem contact a Peterbilt Dealer or a reputable towing service But if you are unable to do this and must jump start your vehicle then ensure that you follow the precautions and instructions below PB1317 NO 5229 164 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE gasses that can explode Ignoring safety procedures can cause you or others to be badly hurt Never jump start a battery near fire flames or electrical sparks Batteries generate explosive gases Keep sparks flame and lighted cigarettes away from batteries Do not allow battery fluid to contact eyes skin fabrics or painted surfaces Always wear eye protection Bat tery acid that may spill during charging should be washed off with a solution of warm water and baking soda to neutralize the acid If you accidentally get acid in your eyes or on your skin immediately rinse with cold water for severa
30. contact with the clutch brake is made to stop transmission gear rotation PB1317 NO 5229 86 22 01510 12 01 PART 7 STARTING amp OPERATING THE VEHICLE If you have a butt tooth condition and can t shift the transmission gradually release the clutch Then the drive gear can roll enough to allow the teeth to line up properly and complete the shift the vehicle is moving The purpose of the clutch brake is to stop the transmission so that you can shift into a starting gear without grinding Applying the clutch brake when the vehicle is moving causes a braking effect on the entire vehicle This wear naturally short ens the service life of your clutch brake A CAUTION Be careful not to apply the clutch brake while Double Clutching Whether you are upshifting or down shifting it is best to double clutch Double clutching is easier on your transmission and on your engine helping your vehicle match engine speed with driveline speed and achieving clash free shifts To double clutch 1 Push down the clutch pedal to disengage the clutch 2 Move the gear shift lever to neutral 3 Release the pedal to engage the clutch This lets you control the RPM of the mainshaft gears Thus you can match the RPM of the mainshaft gears to those of the output shaft Upshifts Let the engine and gears slowdown to the RPM required for the next gear Use the tachometer to determine opti mum RPM for gear engagement Downshifts P
31. cross ref erence like this See PART 6 DRIVER S CHECKLIST You won t have to go searching for more information Finally you ll find a helpful Subject Index It s in the back of the man ual and alphabetically lists the subjects covered So if you want infor mation on brakes for example just look under Brake in the Subject Index You ll find all the pages listed where brakes or braking are dis cussed A Special Word about Repairs Your Peterbilt dealer s service center is the best place to have your vehicle repaired You can find Peterbilt dealers all over the country with the equipment and trained personnel to get you back on the road quickly and keep you there Your vehicle is a complex machine Anyone attempting repairs on it needs good mechanical training and the proper tools If you are sure you have these requirements then you can probably perform some repairs yourself However all warranty repairs must be performed by an authorized Peterbilt service facility If you aren t an experienced mechanic or don t have the right equipment please leave all repairs PB1317 CAT NO 5229 22 01510 R12 01 PART 1 INTRODUCTION to an authorized service facility They are the ones equipped to do the job safely and correctly training service manuals and the proper tools can be dangerous You could be injured or you could make your truck unsafe Do only those tasks you are fully qualified to do j WARNING Attempt
32. frame use only PB1317 CAT NO 5229 169 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE Standard Capscrew Torque Specifications SAE Grade 5 8 Number Capscrew Body Torque Torque Size inches thread Lb ft N m Lb ft N m 1 4 20 6 9 8 12 9 12 12 16 28 7 10 9 5 14 10 14 14 19 5 16 18 13 18 18 24 18 25 24 34 24 14 20 19 27 20 28 27 38 3 8 16 22 32 30 43 31 44 42 60 24 25 40 34 54 35 50 47 68 7 16 14 35 50 47 68 50 71 68 96 20 39 56 53 76 56 80 76 108 1 2 13 54 77 73 104 76 109 103 149 20 58 87 79 118 86 123 117 167 9 16 12 78 111 105 151 110 158 149 214 18 87 124 118 168 123 176 167 239 5 8 11 108 154 147 209 158 218 208 296 18 122 174 166 236 173 247 235 335 3 4 10 192 273 260 370 271 386 367 523 16 214 305 290 414 303 431 411 583 7 8 9 309 441 419 598 437 624 593 846 14 341 486 462 659 482 589 654 799 1 8 464 662 629 898 656 935 889 1268 1 12 508 724 689 982 718 1023 973 1386 The torque values in the previous tables are based on the use of clean and dry threads For standard capscrews 1 Always use the torque values listed the capscrew table 2 Reduce torque by 10 when engine oil is used as a lubricant 3 Reduce torque by 20 if new plated capscrews are used Frame F
33. if the engine is running and the head lamp switch is turned off The daytime running lights are turned off automatically while the parking brake is engaged If the headlamp switch is turned on the DRL system is over ridden amp headlamps operate normally PB1317 CAT NO 5229 27 22 01510 R12 01 PART 4 CONTROLS AND DISPLAYS Panel Light Knob 02891 The Panel Light Knob lets you vary the brightness of your instrument panel lights To Operate Your Panel Light Knob 1 Turn on either the headlights clearance lights or fog driving lights 2 To brighten the instrument panel lights turn the knob clockwise to the right 3 To dim the instrument lights or to turn them off turn the knob coun terclockwise to the left ID and Clearance Lights Switch gt 0 lt 02892 These are the amber lights on top of your cab the lights on the front and sides of the trailer and the red lights on the rear of a truck or trailer They are controlled by the control panel switch labelled CL LPS PB1317 5229 28 22 01510 812 01 PART 4 CONTROLS AND DISPLAYS Fog Lights Switch FOG LIGHT If your vehicle has fog lights turn them ON or OFF with the control panel switch labelled FOG LIGHT NOTE State requirements vary as to when high beams and n fog lights can and cannot be used together Further some states allow only four lights to be used together som
34. mount applications Only PACCAR Parts supplied hub piloted or ball seat mounted wheels may be used on this vehicle f you are not fully qualified and not equipped with the proper tools and equipment do not attempt to raise the vehicle or remove or install the damaged tire and wheel assembly Obtain expert help A person can be seriously injured and or damage can result from using the wrong service methods Truck tires and wheels should be serviced only by trained personnel using proper equipment Do not reinflate a tire that has been run flat or is seriously low on air without first removing the tire from the rim and inspecting for damage Follow OSHA regulations per section 1910 177 Do not exceed the speed rating of tires Exceeding the speed rating may result in sudden tire failure and loss of vehicle control Follow all warnings and cautions contained within the tire and wheel manufacturers literature Only properly trained personnel should service tire and rim assemblies j WARNING Use only components marketed by 02951 Crisscross Sequence For Demountable Rims PB1317 NO 5229 153 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE CAP NUT TORQUE SPECIFICATIONS R12 01 TORQUES FOR INNER amp WHEEL AND NUT STUD SIZE OUTER CAP NUTS CONFIGURATION Lb Ft Nm Stud Piloted Disc 3 4 16 Inner 450 500 610 680 Wheels 1 1 8 16 Outer Heavy Duty Stud
35. pistons and liners shafts and bearings while your engine gradually reaches operating temperature Warmup Procedure 1 After you ve started your engine idle it at approximately 600 RPM while you check oil pressure eair pressure alternator output 2 After a few minutes of idling at 600 RPM increase your idle speed to 900 or 1000 RPM Continue your warmup This procedure allows oil to warm and flow freely while pistons liners shafts and bearings expand slowly and evenly In extremely cold tempera tures you may have to increase idle speed below freezing the warmup for turbocharged engines is especially important Chilled external oil lines leading to the turbocharger will slow the oil flow until the oil warms reduc ing oil available for the bearings Watch the engine oil tem perature or pressure gauge for a warming trend before increasing engine idle speed RPM 3 Continue the engine warmup until the coolant temperature reaches at least 130 F 54 C At this temperature you can use partial throttle Wait until the coolant temperature is at least 160 F 71 C before operating at full throttle PB1317 CAT 5229 82 22 01510 R12 01 Hn NOTE colder climates where the temperature is often PART 7 STARTING amp OPERATING THE VEHICLE monoxide a colorless and odorless gas Do not breathe the engine exhaust gas A poorly maintained damaged or cor roded exhaust system can allow carbon monoxide to ente
36. point Stop the engine Release the parking brakes push in the yellow knob Watch the rate of air pressure drop The rate of drop should not be more than 2 psi 14 kPa per minute Now start the engine and build up the air pressure again 6 Stop the engine Ensure that the parking brakes are still released i e the yellow knob is pushed in 7 Fully apply the service brakes 8 Watch the rate of air pressure drop registered by the air gauge The rate of drop should not be more than 3 psi 21 kPa per minute 9 If you find excessive leakage a leakage test should be made at the air line connections and at all air brake control units To perform a leakage test refer to the detailed instructions in the Peterbilt Mainte nance Manual or take your vehicle to an authorized Peterbilt dealer Readjust the brakes if pushrod travel reaches 1 3 4 inches 44 4 mm for steer axle brakes or 2 inches 51 mm for rear axle brakes 2 1 4 inches 57 mm for Type 36 chambers at 80 90 psi 550 620 kPa application pressure PB1317 CAT NO 5229 144 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE proper brake operation Inspect all brake components brake components work together and must be checked periodically to ensure the brake system works properly See the Peterbilt Master Maintenance Manual for more information on brake maintenance CAUTION The brake adjuster alone does not ensu
37. shields skirts or damaged or loose portions of shields or skirts Fuel System e Removing or rendering engine speed governor inoperative allow ing engine speed to exceed manufacturer s specifications e Removing air signal attenuator on engines equipped with this device Inspection amp Maintenance Instructions for Noise Control System The following instructions are based on regular inspection of the noise control system If during regular inspection or maintenance of other systems or components you find something wrong with parts of the noise control system inspect those parts more frequently to be sure they are performing up to specification At the end of this section you will find the Maintenance Log This is a schedule of inspection and maintenance intervals for each compo nent Exhaust System e Manifold Check for exhaust leaks and condition of gaskets Replace any blown gaskets Use a torque wrench to check all cap screws including those at the flanges Refer to the engine manufacturer s service manual for proper tightening sequence and torque values e Joints and Clamps Check for leaks and tighten as necessary Check for deterioration or dents in pipes and clamps which could allow exhaust to escape On tilt cab units check exhaust balljoint for condition and proper fit e Piping Check for rust corrosion and damage If piping is perforated at any point temporary patching or lagging is acceptable until you can have
38. temperature ranges the pyrometer can help you operate your truck more efficiently and avoid sudden changes in engine operating temperature exceed the specified maximum operating temperature If the pyrometer has no label specifying the maximum operating temperature for the pyrometer contact your engine distributor for a recommendation CAUTION Do not allow the pyrometer reading to NOTE Different size injectors or changes in altitude may n affect engine operating and exhaust temperatures Procedure For Reducing High Pyrometer Temperature Readings 1 If the pyrometer indicates excessive temperature ease up slightly on the throttle 2 If RPM and speed drop downshift one gear to help lower the exhaust temperature 3 Observe the pyrometer reading If the temperature continues to be high continue downshifting until acceptable operating tempera tures can be maintained PB1317 5229 103 22 01510 812 01 PART 7 STARTING amp OPERATING THE VEHICLE Stopping The Engine Before Stopping The Engine A hot engine stores a great amount of heat And it doesn t cool down immediately after you shut it off Always cool your engine down before shutting it off You will greatly increase its service life Idle the engine at 1000 RPM for five minutes Then low idle for thirty seconds before shutdown This will allow circulating coolant and lubricating oil to carry away heat from the cylinder head valves pis ton
39. to require an initial drain at 3000 5000 miles 4800 8000 km e Refer to the Meritor Field Maintenance Manual for a particular axle for lubricant specifications See your Peterbilt dealer for Meritor approved lubricant brands e Refer to the following chart for lubricant change intervals Application Type Of Lubricant Mileage Interval Linehaul Synthetic 240 000 Miles 384 000 km Synthetic with Pump 500 000 Miles 800 000 km and Filter Mineral Base 120 000 miles 192 000 km City Delivery Synthetic 120 000 miles 192 000 km Synthetic with Pump 240 000 Miles 384 000 km and Filter Mineral Base 120 000 miles 192 000 km Vocational Synthetic 120 000 miles 192 000 km Synthetic with Pump 120 000 miles 192 000 km and Filter Mineral Base 120 000 miles 192 000 km e Change the lubricant filter every 120 000 miles 192 000 km Top off the lubricant level with a similar lubricant PB1317 NO 5229 139 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE Eaton Dana Axle Lubrication The original mineral based lubricant must be drained within 3000 5000 miles 4800 8000 km on all Eaton axles This initial change is very important because it flushes out break in contaminants that might otherwise cause premature wear Noinitial drain is required on Eaton axles that are factory filled with an Eaton approved synthetic lubricant Mineral based lubes must be drained wit
40. to LOCK only when the wheels are not spinning WARNING Do not operate the vehicle on dry pavement with the differential locked it could lead to an injury acci dent On dry pavement you will not be able to steer well with the differential locked Lock the differential only when operating on surfaces with poor traction such as wet slip pery roads or loose gravel WARNING Do not use the differential lock during downhill N operation or at speeds above 25 mph 40 km h When it is engaged under these conditions your vehicle will exhibit understeer handling characteristics This understeer condition will cause your vehicle to not turn as quickly and more steering effort will be required which can cause an injury accident To reduce load on the drive train ease up on the throttle pedal when ever you shift into LOCK or UNLOCK PB1317 5229 88 22 01510 12 01 PART 7 STARTING amp OPERATING THE VEHICLE Dual Range Two Speed Axles If you have this option dual range axles provide two rear axle ratios for operating under heavy loads or off highway as well as for over the road trucking The Low range provides maximum torque for off road work The High range is a faster ratio for highway speeds and conditions A Switch on your instrument panel controls this function You will notice that it has a guard to protect you from activating it accidentally RANGE SELECTOR 02906 Rang
41. transmission etc Cabstruc Hood Lubricate the lower hood pivot only if lube fittings are present X ture doors amp hoods 8 LHVd 39IAd3S 39NVN3 LNIVIN 821 6228 ON 1V2 ZLELGd 10 219 OLSLO ZZ Recommended SYSTEM COMPONENT MAINTENANCE TASK PM Interval Cab doors Hinges and latch Lubricate with silicone spray X amp hoods Body amp cab holddown bolts Check the condition and tightness X Tilt pump Check the oil level refill as required X Cab tilt system Check for hydraulic leaks X Heating amp Air conditioner Operate the system NOTE The air conditioning system is active X Air Condi when the Defrost Defog mode is selected tioning Heater amp air conditioner Perform the checks listed on page 175 X Cab air filter Clean replace after a maximum of three cleanings X Heater amp air conditioner Full operational and diagnostic check X Exhaust System Check for leaks and proper support see page 174 t X Air Air compressor governor Replace air strainer X Air lines Check condition and routing to prevent chafing X System Lubricate see page 156 X Inline filters Replace elements or clean with solvent X 39IAH3S AONVNALNIVIN 8 LHVd 621 6228 ON 1V2 ZLELGd 10 219 01910 22 Recommend
42. transmission in gear The engine speed could exceed the maximum governed speed and cause a serious accident due to mechanical failures j WARNING Do not coast with the transmission in neu Do not coast with the transmission in neutral or with the clutch pedal depressed Besides being illegal and dangerous coasting is also expensive It causes premature failure or damage to the clutch and transmission and overloads the brake system Coasting with the transmission in neutral also prevents proper transmis sion component lubrication During coasting the transmission is driven by the rear wheels and the countershaft gear which lubricates the transmis sion components by oil splash will only be turning at idle speed Descending a Grade too often while going down a steep or long grade This could cause the brakes to overheat and reduce their effec tiveness As a result the vehicle will not slow down at the usual rate To reduce the risk of personal injury and or an accident before going down a steep or long grade reduce speed and shift the transmission into a lower gear to help control your vehicle speed Failure to follow procedures for proper downhill operation could result in loss of vehicle control j WARNING Do not hold the brake pedal down too long or PB1317 CAT NO 5229 110 22 01510 R12 01 PART 7 STARTING amp OPERATING THE VEHICLE Engine Overspeed rpm go beyond the maximum governed rpm valve dam
43. use of alcohol drugs and certain medica Please remember this manual is not a training manual It cannot tell you everything you need to know about driving your Peterbilt vehicle For that you need a good training program or truck driving school If you have not been trained get the proper training before you drive Only qualified drivers should drive this vehicle Every new Peterbilt vehicle is designed to conform to all Federal Motor Vehicle Safety Standards applicable at the time of manufacture However even with these safety features continued safe and reliable operation depends greatly upon regular vehicle maintenance The vehicle must be operated within the range of its mechanical capabili ties and the limits of its load ratings See the Tire and Rim Weight Ratings label on the driver s door edge PB1317 CAT NO 5229 j 22 01510 R12 01 PART 2 GETTING INTO AND OUT OF THE CAB AND FRAME ACCESS Be careful whenever you get into or out of your vehicle s cab Whether you have a COE or conventional cab always maintain at least three points of contact with your hands on the grab handles and your feet on the steps cab without proper caution is dangerous You could slip and fall possibly suffering a serious injury Keep steps clean Clean any fuel oil or grease off of the steps before entering the cab Use the steps and grab han dles provided and always keep at least three points of contact between your hands and feet an
44. wheel bearings must be checked and adjusted properly The person best equipped to do this is your authorized dealer s service mechanic Disc Wheels To check the torque on disc wheels follow the crisscross sequence below See the Specifications chart for proper torque specification WARNING AN Grooves in the wheel disc or other damage to the disc can lead to a serious accident The disc will be weak ened and can eventually come off maybe causing you to lose control of your vehicle Be sure to use the right components and the right tools The end of the wheel wrench must be smooth Burrs on the end of the wrench can tear grooves in the disc especially on aluminum wheels These grooves may lead to cracks in the disc and can cause it to fail Crisscross Sequence For Disc Wheels Demountable Rims To check the torque on demountable rims follow the crisscross sequence shown on the next page See the Specifications chart for proper torque specification PB1317 CAT NO 5229 152 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE PACCAR Parts Use of non original equipment could cause wheel breakage and wheel separation from vehi cle Each mounting system is engineered only for use with its correct mating part Be sure that properly matched components are used for each type of mount ing The comparison chart on page 142 illustrates the differences between parts used in hub piloted mount and ball seat
45. worn belt WARNING You can be seriously injured if your belt is AN buckled too high In a crash it would apply force to your abdomen not your pelvic bones This could cause serious internal injuries Always wear your seat belt low over your pelvic bones e The shoulder portion should fit snugly across your body It should always be worn over the shoulder next to the door It you put the belt under your arm it can t protect you properly 02929 Correct over arm Incorrect under arm PB1317 NO 5229 64 22 01510 R12 01 PART 5 SEAT AND RESTRAINT SYSTEMS could lead to serious injury In a crash your body would move too far forward increasing the chance of head and neck injury And the belt would apply too much force to the ribs which aren t as strong as your shoulder bones You could also suffer internal injuries Wear the shoul der belt over your shoulder Be sure also that your belt is not too loose A loose belt could allow you to slide under it in an accident and that could bring the belt up around your abdomen j WARNING Wearing the shoulder belt under your arm crash It can allow you to fall too far forward possibly causing head and neck injuries You could strike the wheel or the windshield Adjust your belt so that there is no more than one inch 25 mm of slack Watch that you don t twist the belt in the process of putting it on A twisted belt won t work as well to prote
46. you should have your vehicle s batteries charged by a qualified ser vice facility To help reduce the risk of personal injuries follow these guidelines carefully when recharging a battery flammable It could injure you severely A spark or flame near a battery on charge may cause it to explode with great force Follow these guidelines carefully when recharging a battery j WARNING A battery contains gas that is explosive and Before attempting any service in the electrical installation discon nect the battery negative cable Allow no sparks or open flame anywhere near the charging area Charge a battery only in a well ventilated area such as outdoors or in a fully open garage which contains no pilot lights or other flames PB1317 NO 5229 162 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE before connecting or disconnecting the cable clamps Do not connect or disconnect charger cables while the charger is operating to reduce the danger of explosions j WARNING Always make sure the battery charger is OFF e Always make sure the battery charger is OFF before connecting or disconnecting the cable clamps WARNING Always shield your eyes and avoid leaning over N the battery whenever possible Use protective eyewear water It could come in contact with a terminal creating a short circuit resulting in severe injury or damage to your vehicle CAUTION Never use a metallic funnel to add di
47. 0 5450 5640 11R24 5 H 4660 4870 5070 5260 5450 5640 5820 6000 6170 275 70R22 5 E 4335 275 70R22 5 F 4335 4560 4750 4935 275 70R22 5 G 4335 4560 4750 4935 4095 4280 4420 4540 275 70R22 5 H 4335 4560 4750 4935 4095 4280 4420 4540 4850 5070 295 75R22 5 G 4500 4690 4885 5075 5260 5440 5675 285 75R24 5 G 4540 4740 4930 5205 5310 5495 5675 S jqeL uonejju peo 8 LHVd 39IAH3S 39NVN3 LNIVIN 10 219 OLSLO ZZ 1 Pressure listed is the minimum for the load 2 All tire load figures are in pounds 3 Figures in Bold face indicate maximum recommended load Source Bridgestone Tire PART 8 MAINTENANCE AND SERVICE i SS Hub Pilot Mount Ball Seat Mount Hub Drum and Stud Assembly The hub pilot mounting system uses M22x1 5 metric threads about 7 8 in dia The stud stands out at least 1 9 in beyond the brake drum All studs are right hand threads Pilot bosses machined on the hub fit tightly to the wheel center bore The ball seat mounting uses 3 4 x 16 or 1 1 8 x 16 threads The dual mounting studs provide 1 3 1 44 in standout Right hand and left hand threads are required Inner and outer cap nuts center the wheels by seating against wheel ball seats Wheels Pilot mount wheels have stud holes that are reamed straight throu
48. 8 MAINTENANCE AND SERVICE WARNING An unevenly distributed load or a load too AN heavy over one axle can affect the braking and handling of your vehicle and cause an accident Even if your load is under the legal limits be sure it is distributed evenly EXAMPLE NOTE Weight Mass in pounds kilograms 7 540 3420 4 120 1 869 Payload Distribution 24 385 11061 7 880 3574 4 Axle Weight 12 000 5 443 4 MAXIMUM LOAD RATINGS X 31325 14 481 43 925 Ibs GVW 19 924 kg Example Of Weight Distribution PB1317 CAT NO 5229 155 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE Your Vehicle s Air System ponent always block and hold the vehicle by a secure means other than the vehicle s own brakes Depleting air system pressure may cause vehicle to roll Keep hands away from chamber push rods and slack adjust ers they may apply as system pressure drops After completing any repairs to the air system always trest for air leaks and check the brakes for safe opera tion before putting the vehicle in service Never connect or disconnect a hose or line containing air pressure It may whip as air escapes Never remove a component or pipe plug unless you are certain all system pressure has been depleted Never exceed recommended air pressure and always wear safety glasses when working wit
49. AINTENANCE TASK PM Imerval Draglink tube clamp and Check the torque tighten to specified torque value as required X Steering ball socket Pitman arm clamp bolt Check the torque tighten to specified torque value as required X and nut Steering intermediate shaft Check the torque on the pinch bolt and nut X Steering intermediate shaft Lubricate EP NLGI 2 HD grease 4 325 F to 10 F 4163 C to X U joints ON HIGHWAY 23 C range Steering intermediate shaft Lubricate EP NLGI 2 HD grease 4 325 F to 10 F 4163 C to X U joints OFF HIGHWAY 23 C range or CITY DELIVERY Draglink and tie rod arm ball Lubricate EP NLGI 2 lithium based moly filled HD grease X Sockets ON HIGHWAY Steering intermediate shaft Lubricate EP NLGI 2 lithium based moly filled HD grease X U joints OFF HIGHWAY or CITY DELIVERY Fuel amp Fuel tanks Inspect tanks brackets hoses and fittings for correct location tight X Tanks ness abrasion damage and leaks repair or replace as required 39IAH3S AONVNALNIVIN 8 LHVd 6228 ON 1V2 ZLELGd G60l 10 219 01910 22 Recommended SYSTEM COMPONENT MAINTENANCE TASK Fuel amp Fuel tank breathers Check for proper function clean the drain hoses X Tanks Fuel tank straps Check the strap tightness tighten to proper torque value as required X X
50. CAUTION To avoid engine damage do not let the engine age could result if overspeed conditions occur NOTE Often these recommendations are secondary to main nm taining an adequate and safe speed relative to the surrounding traffic and road conditions Operate the engine within the optimum engine rpm range and do not allow the rpm s to exceed the maximum governed speed See your Engine Operation and Maintenance manual for information regarding engine rpm When the engine is used as a brake to control vehicle speed e g while driving down a grade do not allow the engine rpm to exceed maximum governed speed Under normal load and road conditions operate the engine in the lower end of the range Use of Tachometer The tachometer is an instrument that aids in obtaining the best perfor mance of the engine and manual transmission serving as a guide for shifting gears Refer to the Engine Operation and Maintenance man ual for optimum engine rpm If the engine rpm moves beyond the maximum governed speed indi cating an overspeed condition apply the service brake or shift to a higher gear to bring engine rpm within the optimum speed range When driving downhill shift to a lower gear use the engine brake if so equipped and use the service brake keeping the engine speed below 2 100 rpm When the engine speed reaches its maximum governed speed the injection pump governor cuts off fuel to the engine However the gov ern
51. Departures from these procedures could also battery electrolyte could boil out of the openings and hurt someone or damage the vehicle Replace caps securely if there is enough fluid in the battery or cover with a cloth if no water is available and your fluid is low j WARNING If you do not cover the filler openings on the 4 Attach one end of a jumper cable to the dead battery s positive ter minal This will have a large red or P on the battery case post or clamp Attach the other end of the same cable to the posi tive terminal of the good battery 5 Attach the remaining jumper cable FIRST to the negative battery terminal black or N of the good battery and then to the chas sis or ground of the vehicle being jump started 6 Start the engine in the vehicle with the good battery Let it run a few minutes Then start the engine in the vehicle with the dead battery If the engine fails to start do not continue to crank the starter but contact the nearest Authorized Service Center they do not get caught in any moving parts in the engine j WARNING When disconnecting jumper cables make sure compartment 7 Reverse the above sequence exactly when removing the jumper cables Take care that your first step is to remove the cable from the chassis or ground of the vehicle that was jump started PB1317 NO 5229 166 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE Removing and Installin
52. E Before removing reservoir cover wipe outside of cover n so that no dirt can fall into the reservoir 1 Check the fluid level add fluid if required 2 Check fluid for contamination discoloration or burnt smell correct source of such problems before replacing fluid amp filter Replacement 1 Replace both the fluid and filter as per the chart below 2 Bleed the system if necessary Steering Fluid Inspect Replace Gear miles km miles months TRW Type C 4 Fluid Every 15 000 Every 240 000 24 000 384 000 24 Sheppard Type C 4 Fluid Every 15 000 Every 240 000 24 000 384 000 24 Extremely low temperatures may require lower viscosity fluids con sult your Peterbilt dealer for recommendations See TRW or Sheppard Service Manuals for additional fluid listings Servicing Specific Systems And Units This section will help you keep your Peterbilt vehicle in good running condition There are a number of checks you can do and you may be able to do some of the service work yourself But please let your dealer s service department do any work you don t have the tools or skill to perform Authorized service mechanics are trained in the proper technical and safety procedures to fix your Peterbilt vehicle right PB1317 5229 142 22 01510 812 01 PART 8 MAINTENANCE AND SERVICE WARNING It is dangerous to work on a vehicle without N the right know how and proper tools
53. ECT OF LOAD PRESSURE ON TIRE LIFE Vehicle Normal 20 40 60 80 100 Load Over Over Over Over Over Tire Normal 20 Low 30 Low 35 Low 4596 Low 55 Low Pressure Expected Normal 70 50 40 30 25 Total Tire Mileage 3 Overinflated tires Too much air pressure reduces the tire tread contact area and results in rapid wear in the center of the tread They wear more quickly than properly inflated tires And they are more subject to punctures cracks amp other damage They could fail and cause you to lose control of your vehicle Be sure all tires are inflated correctly according to the manufacturer s recommendations j WARNING Overinflated tires can cause accidents The chart on page 150 gives you the right load and inflation rates for different tire sizes Please follow it for the safest and most economical use of your tires PB1317 CAT NO 5229 147 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE 4 Matching tires Be sure to buy matched tires for your vehicle especially on the rear axles Mismatched tires can cause stress between axles and cause the temperature of your axle lubricant to get too hot Matched tires will help your driveline last longer and will give you better tire mileage tire types may lessen the road holding ability of both types of tires You can lose control and be injured Never mix tires of different design such as steel belted r
54. ET S SW SSX we BUNK TABLE LATCH 2 S YY BUNK TABLE SINS OVE BUNK RIGHT HAND N M SOFA CUSHION CUPHOLDER Ik IN S STOWED LOWER REAR WALL UPHOLSTERY PANEL LEG 2 ES N SIN HAND SY S e gt sl BUNK GAS SPRING LEG SUPPORT Q LEFT HAND BUNK PIVOT N BRACKET SOFA l SEATBELTS LEFT HAND SOFA EE HAND BACKREST SOFA CUSHION BUNK END TRAY SLEEPER WALKTHROUGH BUNK DOWN STOP HOOP OPENING PB1317 NO 5229 58 22 01510 R12 01 PART 4 CONTROLS AND DISPLAYS 2 Raise the bunk table latch and pull the table away from the bunk 3 Lower the table and guide the leg into the leg support which is bolted to the door jamb of the through compartment access door see previous illustration Follow the procedure below to stow the table unrestrained table ensure that the table is latched when in the stowed position 1 Lift the table 2 Raise the bunk table latch and stow the table completely in the recess in the bunk 3 Lower the bunk table latch and snap the table leg in place UltraSleeper Refrigerator CAUTION To avoid possible damage or injury from an Follow the procedure below to operate the refrigerator NOTE n e For additional information about the refrigerator refer to the refrigerator owner s manual that came with this appli ance e During periods of extended refrigerator use it may be necessary to run the engine to avoid excess drain on the vehicle s
55. Flush each unit with clean flushing See information on oil Change the lubricant page 140 Air Shift Unit Check the lubricant level X Air Shift Unit Remove the housing cover and drain the lubricant Wash the parts X thoroughly and dry in air 8 LHVd 39IAd3S AONVNALNIVIN 9LL 6228 ON 1V2 ZLELGd LO ZLH OLSLO ZZ Recommended SYSTEM COMPONENT MAINTENANCE TASK Drive Axle Breather Clean or replace X Dana Lube Pump ON HIGHWAY Remove the magnetic strainer and inspect for wear particles X Wash in solvent and dry in air Lube Pump OFF HIGH Remove the magnetic strainer and inspect for wear particles X WAY Wash in solvent and dry in air Lube Filter ON HIGHWAY Change X Lube Filter OFF HIGH Change X WAY Magnetic drain plug and Clean or replace X breather ON HIGHWAY Magnetic drain plug and Clean or replace X breather OFF HIGHWAY Drive Axle Axle Housing Check the cold fill level at the differential carrier plug for a pinion X Meritor angle of less than 7 degrees or at the axle bowl plug for a pinion angle of greater than 7 degrees Tighten the plug to 35 50 Lb ft 47 68 N m Axle Housing Visually inspect for damage or leaks X 39IAH3S AONVNALNIVIN 8 LHVd LLL 6228 ON 1V2 ZLELGd 10 219 01910 22
56. ISPLAYS Engine Fan Switch 02898 The engine fan switch allows you to control the engine fan manually or automatically With the ignition key switch ON and the fan switch in the ON position the engine fan will be on regardless of engine tem perature With the engine fan switch in the AUTOMATIC position the engine fan will automatically turn on when the engine coolant reaches a temperature of about 200 F N A WARNING Do not work on the fan with the engine run ning Anyone near the engine fan when it turns on could be badly injured If it is set at ON it will turn on any time the ignition key switch is turned to the ON position In AUTOMATIC it could engage suddenly without warning Before turning on the ignition or switching from AUTOMATIC to ON be sure no one is near the fan CAUTION The fan or equipment near it could be dam aged if the fan turns on suddenly when you don t expect it Keep all tools and equipment such as rags away from the fan and take care no one turns on the ignition when someone is working near the fan CAUTION Do not operate the engine fan in the manual ON position for extended periods of time The fan hub was designed for intermittent operation Sustained operation will shorten the fan hub s service life as well as reduce fuel economy PB1317 CAT 5229 32 22 01510 12 01 PART 4 CONTROLS AND DISPLAYS Cruise Control Switch CRUISE C
57. IVIN 621 6228 ON 1V2 ZLELGd 10 219 01910 22 Recommended SYSTEM COMPONENT MAINTENANCE TASK Tires amp Wheel nuts and studs Check the tightness of the fasteners and tighten the fasteners to X Wheels the specified torque as required see page 152 Wheel nuts and studs Inspect for damaged hex corners stripped or damaged threads X and excessive corrosion clean or replace as required Power Reservoir Check the fluid level see page 142 X Steering Reservoir ON HIGHWAY Drain replace the filter and refill see page 142 Reservoir OFF HIGHWAY Drain replace the filter and refill see page 142 X Steering gear Check the lash of the sector shaft adjust as required X Steering gear Grease the trunnion bearing EP NLGI 2 lithium based moly X filled HD grease Steering gear Grease the input shaft seal EP NLGI 2 lithium based moly X filled HD grease Power assist cylinder Lubricate the ball joints Inspect for leaking rod seals damaged X ball joint boots and damage to cylinder rod or barrel Hoses and tubes Check for leaks and chafing X Steering linkage Check all joints for excessive lash replace as required see page X 168 8 LHVd 39IAd3S AONVNALNIVIN tvZL 6228 ON 1V2 ZLELGd LO ZLH OLSLO ZZ Recommended SYSTEM COMPONENT M
58. MAINTENANCE AND SERVICE at the recommended frequency water could be sent to all air lines and valves This could cause corrosion which could compromise the brake system safety and potentially cause an accident j WARNING If the supply and service tanks are not drained Daily Drain moisture from the supply and service air tanks Operate air devices to circulate lubricants within the unit Periodically e Clean filter screens ahead of the valves by removing the screens and soaking them in solvent Blow them dry with pressurized air before reinstalling them Twice a Year Add approximately 1 4 oz 7 5 ml of light viscosity lubricant to the air line leading to the wiper motor Acceptable lubricants are Dow Corning 200 fluid 200 CS viscosity and Sprague Wiper Lube If you have alcohol dryers installed in the air system the alcohol can wash away lubricants from the wiper motors based oils in the air system These fluids may cause CAUTION Don t use penetrating oil brake fluid or wax severe damage to air system components Maintain the air compressor to prevent excessive oil by pass See your shop manual for maintenance details Replace worn seals in valves and air motors as they are needed Air Dryer and should not by itself be considered reason to replace a desiccant cartridge oil stained desiccant can function ade quately Every 900 operating hours or 30 000 miles 48 000 km or 3 months check for moi
59. ONTROL ON SE T 02901 ing on road surfaces with poor traction wet icy or snow covered roads or in heavy traffic Accelerations caused by the normal operation of the cruise control could cause you to lose control of the vehicle resulting in an injury accident j WARNING Do not operate the cruise control when operat depending upon which engine you have For specific expla nation of your cruise control see the cruise control or engine manual included with your vehicle The master switch turns the cruise control ON or OFF The second switch allows you to SET the desired speed or RESUME the desired speed after the cruise control function has been interrupted In conventional models with Eaton transmissions the cruise control Switches may be located on the shift control knob see illustration H NOTE Cruise control functions and features may vary PB1317 CAT NO 5229 22 01510 R12 01 PART 4 CONTROLS AND DISPLAYS Power Mirror Switch POWER MIRROR objects appear smaller and farther away than they really are You could have an accident if you are too close to another vehicle or other object Keep plenty of space between your vehicle and others when you turn or change lanes Hemem ber that other objects are closer than they may appear The power mirror control controls the adjustment of the right and left outside mirrors To adjust Push to R or L to select which mirror you want to
60. ONTROLS AND DISPLAYS Dash Mounted Features Keys and Locks Conventional Models The same key fits your ignition doors and sleeper luggage compartment COE Models The same key operates the ignition and opens the doors and the glove box Frame mounted tool box locks and locking fuel tank caps each have individual keys Ignition Switch Your ignition switch has three COE or four conventional positions OFF ACC ONLY IGN amp ACC 02977A ACC Accessory With your key in this position you can play the radio or use other accessories but your engine won t start OFF In this position all systems are off and you can remove your key IGN amp ACC This position allows you to turn on the engine and all accessory power START Starter activation to start engine conventional models only PB1317 CAT NO 5229 25 22 01510 R12 01 PART 4 CONTROLS AND DISPLAYS Starter Button 02887 On COE models with the key switch in the IGN amp ACC position push the starter button this will engage the starter motor and crank the engine Manual Override for Engine Shutdown THROW SWITCH UNTIL ENGINE STRRTS 02889 On vehicles with an engine shutdown you will have to hold the man ual throw switch in the UP position until normal engine pressures are reached If you have one of these systems a label on the control panel will say so For detailed starting procedures see the Index
61. PINORDOWEL CONTROL ARM LINK BOLT jt ow fisi II iran ip H Ofi 4 FROM DUMP VALVE SWITCH FORWARD DELIVERY TO RH AIR BAG S SUPPLY FROM FORWARD AIR TANK s AIR BAG LINK ROD 02941 Typical Height Control Valve Top amp Rear Views Looking Forward PB1317 NO 5229 107 22 01510 R12 01 PART 7 STARTING amp OPERATING THE VEHICLE CAUTION A e The rear of a vehicle will drop about 3 1 2 inches 88 mm when the air springs are deflated Ensure that no persons or objects that could be injured or damaged are under the vehicle before deflating the air springs To minimize risk of damage or injury do not use a dump valve to deflate the air springs Rotate the height control valve s manually to ensure positive control of air spring deflation To minimize risk of injury keep away from air springs as they are being inflated the next step Hn NOTE On dual valve systems begin with the LH valve on 2 Loosen the fasteners mounting a height control valve to its bracket trol valve bracket will be slotted to permit rotating the valve NOTE At least one of the mounting holes in the height con 3 o Rotate the valve either clockwise or counterclockwise until air pres sure in the air springs provides the ride height specified for that suspensi
62. S Warning Lamp Trucks tractors and trailers built on and after March 1 2001 are equipped with power line communication PLC per U S FMVSS 121 including a trailer ABS warning lamp in the cab see page 53 and page 54 ESOS i CAUTION If the trailer ABS warning lamp does not illu minate when the ignition is first turned on there is a problem with the bulb or wiring The driver should have this checked as soon as possible check at ignition on does not indicate that the trailer you may be connected to has trailer ABS You should personally inspect every trailer to determine its braking system mn NOTE A successsful warning lamp illumination and bulb A trailer ABS warning lamp will illuminate for a bulb check when the ignition switch is first turned on whether or not a trailer is connected to the vehicle If the bulb check is satisfactory the lamp will next do either of the following 1 If no trailer is connected or if a non ABS equipped trailer is con nected the trailer ABS lamp will go off after a few seconds NOTES n A properly connected ABS equipped trailer is a trailer with PLC hooked up to the J560 connector a trailer without PLC that is hooked up to an optional ISO 3731 connector For doubles or triples PLC does not distinguish between trailers An ABS problem in any trailer will activate the trailer ABS warning lamp PB1317 5229 94 22 01510 912 01 PART
63. T SIDE 1 Hazard Flasher 14 Water Temperature 2 Turn Signal 15 Speedometer 3 Ignition Switch 16 Air Pressure 4 Start Button 17 Air Pressure 5 Manifold Pressure 18 Transmission Temperature 6 Air Cleaner Restriction Gauge 19 Fuel Gauge 7 Ammeter 20 Clock 8 Voltmeter 21 Front Driver Temperature 9 Engine Oil Temperature 22 Rear Driver Temperature 10 Tachometer 23 Lighter 11 Oil Pressure 24 Trip Odometer 12 ABS Warning Lamp 25 Shift Pattern Decal if used 13 Pyrometer PB1317 5229 18 22 01510 912 01 PART 4 CONTROLS AND DISPLAYS COE RIGHT SIDE 1 Air Suspension Switch 5th Wheel Lock Lockout Differential Switch Reset Circuit Breakers Retarder Switch Loading Lamp Fuel Tank Selector L R Light Toggle Switch Spot Light Engine Brake 11 Mirror Heat 12 Clearance Lamps o OOF CO I o PB1317 CAT NO 5229 13 14 15 16 17 18 19 20 21 22 23 24 19 02974 Engine Fan Headlamps Ether Switch Trailer Brake Hand Valve Cab Air Selector Cab Heat Control Cab Ventilation Cab A C Control Parking Brake Valve Trailer Air Supply Right Hand Air Window Windshield Washer Wiper 22 01510 R12 01 PART 4 CONTROLS AND DISPLAYS Steering Column Mounted Controls Turn Signal and Indicator Lights Ss 02882 02882A Model 379 vehicles built on or after 5 1 98 with SRS Your tur
64. a sleeper unit Conventional Cab Control Panel vehicle with heater and air conditioning and equipped with a sleeper The conventional sleeper control panel will have three controls two for vehicles without air conditioning see next illustration Arotary knob A in the left portion controlling the blower speed with four settings e A rotary knob B in the right portion controlling the air tempera ture e rocker switch C in the center portion to engage the air condi tioner compressor only vehicles with air conditioning Conventional Sleeper Control Panel vehicle with heating and air conditioning PB1317 NO 5229 44 22 01510 R12 01 PART 4 CONTROLS AND DISPLAYS The cab bunk control rocker switch must be ON for the sleeper con trols to function To heat the cab select the desired air mode and set the tempera ture knob to hot the red position on the control and the blower to whatever speed makes you most comfortable WARNING Do not drive with visibility reduced by fog densation or frost on the windshield Your view may be obscured which could result in an injury accident For clear visibility and safe driving it is extremely important for you to follow the instructions pertaining to the function and use of the ventilation heating and defogging defrosting system If in doubt consult your dealer Maximum heating ou
65. accident j WARNING Do not drive through water deep enough to wet functioning improperly You could lose control of the vehi cle resulting in a severe accident and personal injury If any ABS lamp goes on while you are driving or stays on after the self check that anti lock system might not be working That ABS may not function in an emergency You will still have conventional brakes but not anti lock brakes If any warning lamp indicates a problem have that ABS checked ABS Warning Lamps Truck Tractor ABS Warning Lamp j WARNING Do not rely on an anti lock brake system that is A truck tractor ABS warning lamp illuminates when the ignition switch is first turned on and will remain on until the system self test has been completed successfully Normally this ABS lamp will remain on until a speed of no more than 9 mph has been reached and the speed sensors have been checked for correct output The lamp should remain off after this point unless a failure in the system is detected The truck tractor ABS lamp is located in the warning lamp cluster see page 53 and page 54 2 1 C1 OO PB1317 5229 93 22 01510 12 01 PART 7 STARTING amp OPERATING THE VEHICLE not illuminate when the ignition is first turned on there is a problem with the bulb or wiring The driver should have this checked as soon as possible CAUTION If the truck tractor ABS warning lamp does Trailer AB
66. adials and bias ply tires Make sure too that you use the right size tires on each wheel Some vehicles require different sizes on front and rear wheels For safety always use the recommended size and type of tires j WARNING Mismatched tires are dangerous Mixing 5 Replacing Tires Front Replace front tires when less than 4 32 in of tread remains Check at three places equally spaced around the tire Drive Axles or Trailers Replace tires on drive axles or trailers when less than 2 32 in of tread depth remains in any major groove Check at three places equally spaced around the tire See next illustration for recommended measuring points for tread depth 02946 Eis e Recommended points e Recommended points Steer Tire Drive Tire repairs can be dangerous on steering axles They could cause you to lose control of your vehicle Do not install regrooved or reinforcement repaired tires on your steer ing axles j WARNING Regrooved tires or tires with reinforcement PB1317 NO 5229 148 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE their radial and lateral run out checked at your dealer And of course you should have your tires balanced any time you change tire 6 Tire chains If you need tire chains install them on both sides of each driving axle H NOTE To prolong your tires life and make them safer have can damage the driveline U joints and the interaxle dif ferenti
67. ain it in case of a sudden stop or an accident belt system with a different tether system A failed or miss ing tether belt could allow a seat base to fully extend in the event of an accident leading to greater injuries or death j WARNING Do not remove modify or replace the tether Tether Adjustment cause excessive movement of the seat in an accident This could lead to greater injuries for you Tether belts should be adjusted so that they are taut when the seat is in its most upward and forward position j WARNING Failure to adjust tether belts properly can that there is adequate head clearance at maximum upward travel of seat Serious injury may occur if head clearance is not adequate Shorten the tether belt as necessary to provide adequate head clearance j WARNING Before driving or riding in a vehicle ensure e Make sure the tether belt is attached to the cab deck and seat frame It should be routed through the buckle on each side To lengthen the tether turn the buckle to a right angle to the web bing Then pull the buckle To shorten the tether pull on the strap PB1317 5229 68 22 01510 912 01 PART 5 SEAT AND RESTRAINT SYSTEMS Inspection of the Restraint System restraint systems can lead to serious injury or loss of life Without periodic inspection and maintenance to detect unsafe conditions seat restraint components can Wear out or not protect you in an accident The typical
68. al Your repairs could be costly amp time consum ing CAUTION Chains on the tires of only one tandem axle PB1317 CAT NO 5229 149 22 01510 R12 01 6228 ON 1V2 ZLELGd 081 Load Range Letters and Corresponding Ply Rating E 10 ply F 12 ply G 14 ply H 16 ply SINGLE RADIAL TIRES FOR VEHICLES IN HIGHWAY SERVICE Tire Load Tire Load Limits At Various Cold Inflation Pressures psi Size Range 70 75 80 85 90 95 100 105 110 115 120 125 11R22 5 G 4530 4770 4990 5220 5420 5640 5840 6040 11R22 5 H 4530 4770 4990 5220 5430 5640 5840 6040 6240 6430 6610 11R24 5 G 4820 5070 5310 5550 5780 6000 6210 6430 11R24 5 H 4820 5070 5310 5550 5780 6000 6210 6430 6630 6240 7030 275 70R22 5 E 4385 4580 4765 275 70R22 5 F 4385 4580 4765 5010 5220 5425 275 70R22 5 G 4385 4580 4765 5010 5220 5425 5630 5830 6025 275 T0R22 5 H 4385 4580 4765 5010 5220 5425 5630 5830 6025 6220 6410 6600 295 75R22 5 G 4500 4725 4945 5155 5370 5575 5780 5980 6175 285 T5R24 5 G 4545 4770 4990 5210 5420 5675 5835 6040 6175 UAL RADIAL TIRES FOR VEHICLES IN HIGHWAY SERVICE 11R22 5 G 4380 4580 4760 4950 5120 5300 11R22 5 H 4380 4580 4760 4950 5120 5300 5470 5630 5800 11R24 5 G 4660 4870 5070 526
69. al collisions collisions from the rear side or rollover accidents may not activate the system This is normal and does not mean the airbag is faulty stays on doesn t come on when you start your rg vehicle or comes on while driving the vehicle take your vehicle to the nearest Peterbilt dealer for ser vice immediately The airbag system may have a fault that will render the system inoperable CAUTION If the airbag system warning light PB1317 CAT NO 5229 72 22 01510 R12 01 PART 5 SEAT AND RESTRAINT SYSTEMS Airbag System SRS Description The airbag system is made up of several components within the cab including e Airbag module mounted to center of steering wheel Sensor Control system on the floor aft of the driver seat Airbag SRS system warning light in the light bar e Various electrical wiring harnesses and connectors Seat belts Airbag Module authorized Peterbilt dealer every 10 years from the air bag s date of installation Failure to replace the airbag module could result in nondeployment or insufficient deployment CAUTION The airbag module must be replaced by an The driver airbag module is located in the center of the steering wheel and inflates in the event of a serious frontal collision The module has the letters SRS embossed into it 27884 The angle of impact of the collision crash severity and type of object impacted play a part in whether
70. am See PART 8 MAINTENANCE AND SERVICE for the complete preventive maintenance schedule for your vehicle Approaching the Vehicle 1 Check the overall appearance and condition Are windows mir rors and lights clean and unobstructed 2 Check beneath the vehicle Are there signs of fuel oil or water leaks 3 Check for damaged loose or missing parts Are there parts showing signs of excessive wear or lack of lubrication Have a qualified mechanic examine any questionable items and repair them without delay Checking Under the Hood or Cab With the engine stopped 1 Check the engine oil level top up as necessary Refer to your engine s operating manual for the type of oil to use 2 Check the engine coolant level while the engine is cold Top up as necessary with premixed coolant Refer to the instructions on page 160 for adding coolant to the proper level 3 Check the engine belts Refer to the instructions on page 160 to check belt condition and adjust tension 4 Check brake lines and hoses 5 Check all other accessories controls belts hoses and wiring for condition and adjustment 6 Check the windshield washer fluid level top up as necessary Conventional 7 Check the power steering fluid reservoir top up as necessary 8 Check the steering components pitman arm draglink power steering hoses etc 9 Drain the fuel water separator Checking the Luggage Compartment 1 Check the fire extingui
71. and micron requirements 1 When removing filters cover any electrical equipment and wiring that might get soaked with fuel Diesel fuel may permanently dam age electrical insulation 2 When installing spin on throwaway filters hand tighten them only to 1 2 to 2 3 turn after gasket contact Mechanical tightening of these filters may distort or crack the filter head NOTE To expel air from density type strainer elements nm soak them in clean fuel before installing them PB1317 NO 5229 167 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE 3 When replacing a fuel filter element don t use a substitute Install only filter elements designed for fuel filtration First clean and inspect the shell Then insert the new element and fill the con tainer at least 2 3 full of clean fuel before installing the shell 4 Throw away old gaskets Replace them with new ones to ensure a positive seal 5 Position the shell and gasket properly Then tighten the cover nut or bolt just enough to prevent fuel leakage 6 After starting the engine check for leaks around the filter Steering WARNING A steering system that is not working prop AN erly can cause an accident You could lose control of your vehicle if the steering is not in good order For driving safety give your steering gear and components the following visual checks frequently Check them especially after trips over rough roads Check e Tierod for straightne
72. anges from the original specifications can affect the whole system All of the following areas are interrelated and must conform to original specifications Tire Size Brake Linings Cam Radius Brake Chambers Wedge Angle Slack Adjusters Drum Radius PB1317 NO 5229 143 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE could cause an accident Sizes and types are so related to one another that a seemingly unimportant change in one may result in a change in how well your brakes work for you on the road If parts don t work together prop erly you could lose control of your vehicle Be sure any replacement parts in your brake system conform exactly to original specifications j WARNING A nonconforming part in your brake system All vehicle operators should check their brakes regularly Always adjust your brakes when they are cool Perform these checks amp adjustments every 15 000 miles 24 000 km fied minimum will have lining rivets exposed Use of such linings can damage the brake drum and also reduce brake efficiency which could cause an accident or system fail ure j WARNING Brake linings with a thickness below the speci Have brake linings inspected by a qualified mechanic for wear at least every 15 000 miles In severe service or off highway applica tions inspect the linings more frequently e Check the air system for leaks Build up air pressure in the system to the governor cut out
73. ar and damage and for endplay Shim or replace as X bearings kingpins required see page 168 drawkeys tie rod ends steering stops amp bushings Kingpin bushings amp tie Lubricate with approved grease X ball ends Total Vehicle Alignment Check and adjust as required X Front Front Spring Inspect for cracked leaves worn bushings amp excessive corrosion X Suspension Spring Pins amp Shackles Inspect for worn parts and excessive joint clearance Shim or X replace as required 8 LHVd 39IAH3S AONVNALNIVIN GLL 6228 ON 1V2 ZLELGd 10 219 01910 22 Recommended SYSTEM COMPONENT MAINTENANCE TASK Front Spring Pins Lubricate X Suspension Shock Absorbers Inspect for leaking body damage and damaged or worn bush X ings Replace as required Shock Absorbers Check for proper function X U bolts ON HIGHWAY Check the general condition and the tightness of the nuts Tighten X X the nuts to the specified torque value as required see page 169 U bolts OFF HIGHWAY Check the general condition and the tightness of the nuts Tighten X the nuts to the specified torque value as required see page 169 Drive Axle Axle Housing Visually inspect for damage or leaks X Dana Axle Housing Check oil level Check cold Torque the drain plug X Axle Housing Drain the lubricant while warm
74. arance Lights Switch 28 Interaxle Differential Lock Switch 38 Jacobs Engine Brake or Cummins C Brake Switch 37 Manual Override 26 Mirror Heat Switch 34 Panel Light Knob 28 Parking Brake Valve and Trailer Air Supply Valve 40 Power Mirror Switch 34 Starter Button 26 Tilt Telescoping Steering Column 24 Trailer Brake Hand Valve 23 Turn Signal and Indicator Lights 20 Two Speed Rear Axle Range Switch 38 VARASHIELD Wind Deflector Switch 39 Windshield Wipers and Washers 30 PB1317 CAT NO 5229 187 22 01510 R12 01 PART 11 SUBJECT INDEX Cooling system coolant change 159 temperature 52 D Dash COE 18 19 Conventional 16 17 Defogging defrosting system Descending a grade 110 Door lock 177 Driver s Checklist 76 Driving vehicle inspection 76 E Economical driving 110 Electrical system batteries 162 battery charging 164 jumper cables 165 Electrolyte 163 Engine overspeed 111 temperature 52 winterfronts 83 Engine Warmup 82 Environmental Protection 186 Exhaust fumes 112 F Federal motor vehicle safety standards 4 Federal Safety Standard Certification Label 185 G Gauges and Displays 48 Air Application Gauge 49 Air Filter Restriction Indicator or Gauge 57 Ammeter 56 Drive Axle Temperature Gauge 55 Dual Air Pressure Gauge Air Reservoir 50 Engine Oil Pressure Gauge 51 Fuel Gauge 53 Manifold Pressure Gauge 56 Pyrometer 56 Speedometer Odometer 48 Tachometer 49 Transmission Temperature Gauge 55 T
75. asteners 1 Go around your vehicle as per the Preventive Maintenance Sched ule and tighten all frame fasteners with a torque wrench 2 Always use the torque values listed in frame fastener table 3 Always torque fasteners from the nut end PB1317 CAT NO 5229 170 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE Engine Accessories Accessory Drive Belts You can extend the reliability and service life of your vehicle s drive belts with proper attention to installation adjustment and mainte nance Neglect could cause belt failure The result could be the loss of the electrical or air system as well as possible engine damage from overheating So it s a very good idea to check your belts frequently and replace them as soon as you detect trouble Follow the procedure below to install an accessory drive belt 1 Loosen the pulley bracket s and shorten the distance between the pulley centers Install the new belt without forcing it Do not roll or pry the belt over the pulley Pulley Brackets 2 Check the pulley alignment and adjustment if necessary Pulley misalignment must not be more than 1 16 in for each 12 inches of belt free span 1 5 mm for each 300 mm of belt free span Belt free span is measured between pulley centers 3 Check the riding depth Belt riding depth should not vary more than 1 16 in 1 5 mm on match belt sets 4 Check that the belt does not ride on the bottom of the pulley g
76. ation as the result of slow leaks So you ll want to check tire pressure regularly Checking Inflation Pressure Give your tires a visual test every day and check inflation with a gauge every week PB1317 NO 5229 146 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE Don t mount or dismount a tire yourself have any wheel service performed by an expert And stand away from the tire assembly while the expert is working j WARNING You can be badly injured trying to fix tires When checking tire pressure inspect each tire for damage to side walls cuts cracks uneven wear rocks between duals etc If a tire appears underinflated check for damage to the wheel assembly Don t forget to check between dual wheels If you find wheel dam age have an expert tire service repair it e Maximum tire pressure will be indicated on the sidewall of a tire Check pressure only when the tires are cool Warm or hot tires cause pressure buildup and will give you an inaccurate reading So never deflate a warm tire to the specified pressure Lower tire pressure does not give you more traction on ice or snow This is an old myth that refuses to die Underinflation actu ally reduces traction steering control and tire load capacity 2 Overloaded tires Overloading your truck is as damaging to your tires as underinflation The following chart shows how neglect or deliberate abuse can affect the life of your tires EFF
77. ay be very dirty and have more exposure to the Sun s dam aging ultraviolet rays thus resulting in a reduction of the life of the seat belt system The high mileage associated with heavy duty vehicles and possible wear of the 3 point seat belt system the continual relative movement of the system the possible contact with the vehicle seat or other parts of the cab structure and the potential exposure of this system to Severe environmental conditions make it crucial to inspect the three point seat belt systems regularly It is recommended that the seat belt System in a vehicle be inspected every 20 000 miles 32 000 km or more often if the vehicle is exposed to severe environmental condi tions Any seat belt system that shows cuts fraying extreme or unusual wear significant discoloration due to UV exposure abrasion to the seat belt webbing or damage to the buckle latch plate retrac tor hardware or any other obvious problem should be replaced imme diately regardless of mileage j WARNING Failure to properly inspect and maintain PB1317 5229 69 22 01510 812 01 PART 5 SEAT AND RESTRAINT SYSTEMS vehicle is involved in an accident the entire seat belt system must be replaced Unexposed damage caused by the stress of an accident could prevent the system from functioning properly the next time it is needed which could result in severe injury or even death j WARNING It is important to remember that any ti
78. ay have a manual or an electric VARASHIELD The electric model is controlled by a dash mounted toggle switch If you have one of these you may vary the VARASHIELD angle from 0 degrees to 50 degrees while the vehicle is stationary or in motion The gauge on the dash indicates the position PB1317 CAT 5229 39 22 01510 R12 01 PART 4 CONTROLS AND DISPLAYS someone near it can be dangerous Moving parts could cause an injury to hands feet or anything else in the way Do not operate the VARASHIELD when anyone is near it j WARNING Operating the electric VARASHIELD with CAUTION The electric motor of a VARASHIELD is A designed for use during moderate slow speed opera tion only Do not operate it while driving at speeds greater than 35 mph Do not operate the VARASHIELD if it is obstructed by ice or packed snow Additionally excessive continuous operation could cause the motor to overheat Do not change the angle continually Manual Adjust to climb to the top of the cab without the right equip ment Always use a ladder or scaffolding to get up to adjust your manual VARA SHIELD If you have the manual VARASHIELD you will adjust it from the roof of the cab Move it to the desired angle with the telescoping strut that is secured by a bolt and locknut Proper VARASHIELD angle is affected by wind trailer height and the gap between the tractor and trailer Usually the VARASHIELD should be down at 0 degrees when the
79. batteries e Refrigerator cooling ability decreases as sleeper temper ature increases The main power supply to the refrigerator and cooling fan located behind the refrigerator is controlled by a switch labeled REFRIG FAN located on the sleeper control panel e Toturn the refrigerator and cooling fan on move the REFRIG FAN Switch to ON then turn the thermostat dial located inside the refrigerator clockwise from the OFF setting e To turn the refrigerator and cooling fan off turn the thermostat dial inside the refrigerator counterclockwise to the OFF setting then move the REFRIG FAN switch to OFF To turn only the refrigerator off turn the thermostat dial counter clockwise to OFF PB1317 5229 59 22 01510 812 01 PART 4 CONTROLS AND DISPLAYS UltraSleeper Bunk Follow the procedure below to deploy the bunk in an UltraSleeper Li CAUTION To avoid possible damage do the following before deploying the bunk Ensure that the table is latched in the stowed position and that the right sidewall cabinet door is latched closed see previous illustration Remove all items from the center cupholder tray bunk down stop tray and sofa cushions see previous illus tration Place sofa seatbelts flat on the cushions or stow them under the cushions Remove and stow the left hand sofa backrest see pre vious illustration NOTE Bunk upswing and downswing will be assisted and dam
80. boat parts Interior Wipe vinyl upholstery and lining with a good commercial uphol stery cleaner Do not use acetone or lacquer thinner Clean fabric upholstery with upholstery shampoo specially formu lated for this purpose Follow instructions on the container Weatherstripping Occasionally spray weatherstripping on doors and windows with sili cone compound to help preserve resiliency This is especially useful in freezing weather to prevent doors and windows from sticking shut with ice PB1317 5229 178 22 01510 812 01 PART 8 MAINTENANCE AND SERVICE Chassis Hose dirt and grime from the entire chassis Then if an oil leak devel ops you will be able to detect it easier Noise Control System Noise Emission Warranty Peterbilt Motors Company warrants to the first person who purchases this vehicle for purposes other than resale and to each subsequent purchaser that this vehicle as manufactured by Peterbilt Motors Com pany was designed built and equipped to conform at the time it left Peterbilt s control with all applicable U S EPA Noise Control Regula tions This warranty covers this vehicle as designed built and equipped by Peterbilt and is not limited to any particular part component or sys tem of the vehicle manufactured by Peterbilt Defects in design assembly or in any part component or system of the vehicle as man ufactured by Peterbilt which at the time it left Peterbilt s con
81. burnable materi j WARNING Paper or other combustible substances in als besides smoking materials out of the ashtray PB1317 5229 46 22 01510 912 01 PART 4 CONTROLS AND DISPLAYS Glove Compartment loo 0298 Conventional To open your glove compartment push or turn the latch To close it push the cover up and press to latch it The glove compartment can be locked Turn your ignition key clock wise right to lock and counterclockwise left to unlock WARNING An open glove compartment can be danger AN ous In an accident or sudden stop you or a passenger could be thrown against the cover and injured Keep the cover closed when the vehicle is in motion PB1317 CAT NO 5229 47 22 01510 R12 01 PART 4 CONTROLS AND DISPLAYS Gauges On the pages that follow you will find descriptions of some of the gauges on your instrument panel For more information about using them in driving see PART 7 STARTING amp OPERATING THE VEHI CLE Also check the Index under the name of the gauge or function you want to know more about WARNING Do not ignore a warning light or buzzer These N signals tell you something is wrong with your vehicle It could be a failure in an important system such as the brakes which could lead to an accident Have the appropri ate system checked immediately Speedometer Odometer The speedometer i
82. cannot be repaired You will need to replace it Your authorized dealership can perform all of these checks and repairs or replacements Air Intake System Do all checks and maintenance chores listed in this manual under Engine Air Intake System and Air Cleaner See Index Check the induction tubing elbow connections clamps brackets and fasteners for deterioration cracks and security If you find an air leak any where between the air cleaner and the engine repair that leak imme diately CAUTION Air leaks cause excessive noise and may A result in serious damage to the engine If you do not repair them the engine damage won t be covered by your warranty Repair all air leaks as soon as you find them PB1317 NO 5229 182 22 01510 R12 01 6228 ON 1V2 ZLELGd E8l 10 219 01910 22 NOISE CONTROL SYSTEM MAINTENANCE LOG RECOMMENDED DATE amp REPAIR DATE amp REPAIR COMPONENT INTERVAL R O NUMBER FACILITY amp WORK PERFORMED R O NUMBER FACILITY amp TORIS EERFOPMEB MILES LOCATION LOCATION EXHAUST SYSTEM ROUTING INTEGRITY 25 000 MUFFLER INTERNAL BAFFLES 250 000 SHUTTERS SHROUDS 25 000 HOOD INSULATION BLANKET 10 000 ENGINE MOUNTED HOSE INSULATORS FASTENERS 10 000 INNER FENDER SHIELDS 50 000 CAB SKIRT FASTENERS 50 000 AIR INTAKE SYSTEM INTEG RITY 5 000 ELEMENT CLUTCH TYPE 10 000 FAN DRIVE 8 LHVd
83. ccident The truck could roll causing severe injury Always secure the truck with wheel chocks chains or other safe means to prevent rolling before manually releasing the spring brakes j WARNING Releasing the spring brakes on an unse NOTE The primary purpose of the manual release feature n is to permit the vehicle to be towed to a repair facility PB1317 CAT 5229 99 22 01510 R12 01 PART 7 STARTING amp OPERATING THE VEHICLE To release spring brakes manu ally 1 Remove the cap from the spring chamber 2 Remove the release stud assembly from the side pocket remove the release nut and washer from the release stud 3 Slide out the release stud PB1317 NO 5229 100 22 01510 R12 01 PART 7 STARTING amp OPERATING THE VEHICLE 4 Insert the release stud through the opening in the spring chamber where the cap was removed Insert it into the pressure plate Turn the release stud 1 4 turn clockwise in the pressure plate This secures the cross pin into the cross pin area of the pressure plate and locks it into the manual release position 5 Assemble the release stud washer and nut on the release stud 6 With a wrench turn the release stud assembly nut until the compression spring is 9096 9596 caged While doing this check to make sure the push rod adapter push rod or service push rod is retracting Do not over torque the relea
84. check for air leaks If vehicle is not equipped with an air X filter dryer check the inline filter to the fan hub see page 172 39IAH3S AONVNALNIVIN 8 LHVd PART 8 MAINTENANCE AND SERVICE Lubricant Specifications WARNING Handle lubricants carefully Vehicle lubricants oil and grease are poisonous and can cause sickness They can also damage the paint on the vehicle In this section you will find the basic information you need to do the routine lubrication your vehicle requires Of course you will want to schedule service more frequently if you are operating under severe conditions such as extreme heat or cold with very heavy loads off road etc For any special service requirements consult your service manuals and your lubricant supplier And please remember one key to keeping your truck running at top economy and in prolonging its life is proper lubrication servicing Neglecting this essential aspect of vehicle care can cost time and money in the long run lubricants oil and grease of different brands or types could damage vehicle components therefore drain or remove old lubricants from the unit before refilling it CAUTION Do not mix different types of lubricants Mixing Engine Proper engine lubrication depends on the outside temperatures where you will be driving Use the oil recommended for the conditions you are most likely to be facing You will find a complete engine lubri cat
85. component for which the part is required The quantity of parts you need How you want your order shipped PB1317 CAT NO 5229 185 22 01510 R12 01 PART 10 CONSUMER INFORMATION The National Highway Traffic Safety Administration requires that the following information be included in the owner s manual of motor vehi cles manufactured after September 1 1990 NHTSA Consumer Information If you believe that your vehicle has a defect which could cause a crash or could cause injury or death you should immediately inform the National Highway Traffic Safety Administration NHTSA in addi tion to notifying Peterbilt Motors Company If NHTSA receives similar complaints it may open an investigation and if it finds that a safety defect exists in a group of vehicles it may order a recall and remedy campaign However NHTSA cannot get involved in individual problems between you your dealer and Peter bilt Motors Company To contact NHTSA you may either call the Auto Safety Hotline toll free at 1 800 424 9393 366 0123 in Washington D C or write to Administrator NHTSA 400 Seventh Street S W Washington D C 20590 You can also get other information about auto safety from the Hotline Environmental Protection stituents are known to the State of California to cause cancer birth defects and other reproductive harm Other chemicals in this vehicle are also known to the State of California to cause cancer birth d
86. ct you j WARNING A too loose seat belt can lead to injury in a 4 02930 Twisted Belt belt In a crash the full width of the belt wouldn t be protecting you And the twisted belt could cut into your body Straighten the belt before buckling it If you can t have your dealer or service person fix it To connect your shoulder lap belt Grasp the belt tongue and pull in a smooth slow motion across your chest and lap Insert the tongue into the buckle on the inboard side of the seat Push down until you hear a click Pull on the belt to make sure it is buckled Check that it is positioned correctly on your body j WARNING You could be seriously injured by a twisted PB1317 5229 65 22 01510 912 01 PART 5 SEAT AND RESTRAINT SYSTEMS Komfort Lok Feature Your Peterbilt contains a feature designed to eliminate cinching and provide improved safety and comfort Cinching is the condition where a belt becomes continually tighter around you during a rough bouncy ride The need for this feature increases with rough road conditions particularly over long distances To eliminate cinching simply activate the Komfort Lok feature at the appropriate time 1 Fasten your seat belt according to the directions above 2 You are now ready to activate the Komfort Lok Lean forward to pull a little slack about 1 inch in the belt Be sure to allow only a small amount of slack See the Warning on a lo
87. d the truck Look where you are going COE The pictures below show the best way to enter and exit a COE cab j WARNING Jumping out of the cab or getting into the Three points of contact as you Three points of contact as you begin climb up or down Three points of contact as you step in or out 02957 PB1317 CAT NO 5229 5 22 01510 R12 01 PART 2 GETTING INTO AND OUT OF THE CAB AND FRAME ACCESS CONVENTIONAL The picture below shows the best way to enter and exit a Conventional Cab Door Lock and Keys Doors can be locked from the inside by using the lock button Close the door then push the button down to lock Doors automatically unlock when you open them from inside and can be locked from the outside with the key only sonal injury in case of an accident always lock the doors while driving Along with using the lap shoulder belts properly locking the doors helps prevent occu pants from being thrown from the vehicle j WARNING To lessen the chance and or severity of per To lock or unlock the doors from outside the cab insert the key in the lock Turn the key toward the rear to lock forward to unlock PB1317 CAT NO 5229 6 22 01510 R12 01 PART 2 GETTING INTO AND OUT OF THE CAB AND FRAME ACCESS Climbing Onto the Deck Plate When you are climbing onto and off the deck plate maintain at least three points of contact with your hands on the grab handles and your feet on the steps
88. dex under Brakes Heater Air Conditioning Controls Your heat and air conditioning controls are mounted on the dog house instrument panel in COE models and below the right hand instrument panel in conventional models Additionally the sleeper compartment may also contain a separate heating and cooling system with sepa rate controls monoxide a colorless and odorless gas Do not breathe the engine exhaust gas A poorly maintained damaged or cor roded exhaust system can allow carbon monoxide to enter the cab or sleeper Entry of carbon monoxide into the cab is also possible from other vehicles nearby Failure to properly maintain your vehicle could cause carbon monoxide to enter the cab sleeper and causes serious illness j WARNING Exhaust fumes from the engine contain carbon time if you sense that exhaust fumes are entering the cab or sleeper Investigate the cause of the fumes and correct it as soon as possible If the vehicle must be driven under these conditions drive only with the windows slightly open Failure to repair the source of the exhaust fumes may lead to personal harm CAUTION Never idle your vehicle for prolonged periods of PB1317 CAT NO 5229 41 22 01510 R12 01 PART 4 CONTROLS AND DISPLAYS sleeper ventilation system properly maintained It is recommended that the vehicle s exhaust system and cab sleeper be inspected e Byacompetent technician every 15 000 miles e Whenever a change is noticed
89. e Selector Here s how to use your dual range axle Engine driveline disengagement may occur eliminating engine retardation and allowing the wheels to spin faster than the current speed of the engine This may require severe braking to slow the vehicle down and can result in an injury accident j WARNING Never shift the axle when moving down hill 1 Unlock the interaxle differential before starting 2 Put the Range Selector in the LOW range Shift the transmission to start the truck moving 3 Off Highway When you are driving on rough terrain and second ary roads or under a very heavy load keep the axle in the LOW range Shift your transmission to maintain the road speed you want 4 When you go from off highway to highway driving shift the axle to the HIGH range this way e Be sure the differential is UNLOCKED Keep the accelerator down and move the Range Selector lever to HIGH Keep driving with the accelerator down until you want the axle to shift e Then release the accelerator until the axle has shifted You are now in the HIGH axle range on the highway Shift the transmission normally to reach your desired cruising speed PB1317 CAT NO 5229 89 22 01510 R12 01 PART 7 STARTING amp OPERATING THE VEHICLE If you need to downshift the axle for more power Keep the accelerator down amp move the Range Selector lever to LOW Keep driving with the accelerator down until you want to dow
90. e allow more Whether you have dual or composite lights will affect how many lights you can have on at one time Always com ply with the state requirements where you are driving Dome Light Switch ON OFF ee 02894 A three position switch controls each dome light Position 1 Center Light is OFF Position 2 Upward Light will stay ON Position Downward Light will turn ON when a door is opened and OFF when the door is closed PB1317 CAT 5229 29 22 01510 R12 01 PART 4 CONTROLS AND DISPLAYS Windshield Wipers and Washers Wiper To turn on the wipers rotate the knob to the right As the knob is rotated the speed of the wipers increases To turn off the wipers rotate the knob to the left Washer To use the washer push the knob showing the symbol above With the electric wipers the wipers will come on for a short time when the washer starts They can reduce visibility making driving hazardous Clean blades regularly to remove road film and wax build up Use an alcohol based cleaning solution and a lint free cloth and wipe along the blades j WARNING Do not drive with worn or dirty wiper blades windshield washer reservoir damage to seals and other CAUTION Do not use antifreeze or engine coolant in the components will result Intermittent Windshield Wiper Control Two speed intermittent windshield wipers are controlled by the con trol panel knob with t
91. e by a trained certified mechanic Have the adjustment done before clutch pedal free travel is reduced to the minimum allowable 1 2 in 13 mm PB1317 NO 5229 158 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE Engine Cooling System can cause scalding coolant to spray out and burn you badly If the engine has been in operation within the pre vious 30 minutes be very careful in removing the radia tor cap Protect face hands and arms against escaping fluid and steam by covering the cap with a large thick rag If you see any steam or coolant escaping don t try to remove it until the radiator cools down If you see noth ing escaping still remove the cap very slowly and care fully Be ready to back off if any steam or coolant begins to escape What to Add to Your Cooling System Water Water must be clean amp free of corrosive and scale forming chemicals Your drinking water may not be good for your vehicle Approved addi tives help neutralize waters harmful effects on your cooling system Ask your dealer to recommend the best ones for you If the cooling system in your truck has a treated spin on water filter install the service filter on all B checks See the Preventive Mainte nance Schedule in this manual For more detailed recommendations check with the service department at your dealership or check the engine manufacturer s operation and maintenance manual If in an emergency the radiator was filled w
92. e height you may temporarily set it by fol lowing the next procedure Proper ride height measurement and val ues are shown in the illustration and table below RIDE HEIGHT Ride Height Measurement Location for Tandem Axles Shown Proprietary Rear Air Suspension Hide Height inches mm Single Drive Tandem Drive Air Leaf N A 11 70 297 Air Trac 11 00 279 11 00 279 Low Air Leaf 8 50 216 8 50 216 Low Low Air Leaf N A 6 50 165 FLEX Air N A 8 50 216 These values are for a fully laden vehicle Follow this procedure to temporarily set ride height WARNING To prevent possible injury and damage to AN property ensure that a vehicle is parked and the wheels chocked before beginning this procedure CAUTION Completing this procedure will enable you to A safely reach the nearest authorized Peterbilt repair facil ity to have ride height and pinion angle reset using the proper equipment and technique Do this as soon as possible to avoid potential driveline damage NOTE Suitable wheel chocks are at a minimum an 18 inch 46 cm long 4x4 1 Ensure that the air supply and delivery plumbing of the height con trol valve is consistent with the illustration on the next page PB1317 CAT NO 5229 106 22 01510 R12 01 PART 7 STARTING amp OPERATING THE VEHICLE ML 9 NMENT
93. ecks and tightens the U bolts on your Peterbilt The proper torque requirements are specified in the Peterbilt Maintenance Manual for your vehicle injury accident Loose U bolts can cause uneven tire wear poor alignment and loss of control of your vehi cle You probably can t tighten U bolts correctly your self But be sure to have them checked and tightened regularly by an authorized mechanic For on highway vehicles tighten the U bolts after the first 15 000 miles 24 000 km Then tighten them every 60 000 miles 96 000 km after that For off highway vehicles tighten the U bolts after the first day or two of operation Then tighten them every 15 000 miles 24 000 km after that j WARNING U bolts that are too loose can cause an WARNING Failure to maintain the specified torque values N or to replace worn parts can cause component system fail ure possibly resulting in an injury accident Improperly tightened loose suspension U bolts can lead to unsafe vehicle conditions including hard steering axle misalign ment spring breakage or abnormal tire wear Frame Fastener Torque Specifications Fastener Fastener Torque Type Size Lb ft N m 1 2 Inch 86 108 117 147 Bolt Locknut SCIO 130 163 176 221 Hardened Washer M12 65 85 89 115 M16 155 195 210 264 M20 495 605 668 818 metric grade 10 9 bolts of the proper length CAUTION When installing bolts on the
94. ed SYSTEM COMPONENT MAINTENANCE TASK Biante Air Air dryer Perform the checks listed on page 157 X Air dryer ON HIGHWAY Overhaul 360 000 miles 576 000 km Air dryer OFF HIGHWAY Overhaul X Engine Basic Engine The maintenance and service interval recommendations for the specific engine are the maintenance requirements specified in the engine manufacturer s Operations and Maintenance Manual included with the vehicle Strict adherence to these recommenda tions is required to maintain warranty coverage The maintenance and service interval recommendations for the engines vary signifi cantly depending on the manufacturer and the model of the engine As a minimum perform the operations listed below Fuel filter Drain clean and refill or replace as required see page 167 X Bypass oil filter Clean filter and change element X Block Clean with steam or solvent X Crankcase breather Clean Manifold nuts Tighten to specified torque X Cil pan Capscrew Tighten to specified torque X 8 LHVd 39IAdH3S AONVNALNIVIN oel 6228 ON 1V2 ZLELGd LO ZLH OLSLO ZZ Recommended SYSTEM COMPONENT MAINTENANCE TASK PM Interval Engine Drive pulleys Check for tightness X Turbocharger Check manifold and mounting X Radiator shutters Check controls X All lines and seals Check for leaks X Mounts Check for tightness X Fan hub Lubricate
95. eeper and contains two toggle switches and a rotary thermo stat switch to control the temperature The thermostat controls the oper ation of the blower to maintain temperature within the selected range PB1317 CAT NO 5229 42 22 01510 R12 01 PART 4 CONTROLS AND DISPLAYS DEFROST P FLOOR A C OFF HEAT BILEVEL COE Sleeper Control Panel COE Cab Control Panel Conventional Cab The Conventional cab s control panel may have up to six controls four for vehicles without a sleeper unit see illustration below A rotary knob A in the upper left portion controlling the blower speed with four settings A rotary knob B in the upper center portion controlling the move ment of air within the cab This control is continuously variable through five modes clockwise from left Panel Panel Floor Floor Defrost Floor Defrost A rotary knob C in the upper right portion controlling the air tem perature A rocker switch D in the lower left portion to engage the air condi tioner compressor only vehicles with air conditioning PB1317 NO 5229 43 22 01510 R12 01 PART 4 CONTROLS AND DISPLAYS Arocker switch E in the lower center portion to select either fresh or recirculated air mode e A rocker switch F on the lower right portion to send power to the bunk or sleeper control panel only vehicles with
96. efects or other reproductive harm This warning requirement is mandated by California law Proposition 65 and does not result from any change in the manner in which Peterbilt trucks are manufactured j WARNING Diesel engine exhaust and some of its con Some of the ingredients in engine oil hydraulic oil transmission and axle oil engine coolant diesel fuel air conditioning refrigerant R12 R134a and PAG oil batteries etc may contaminate the environ ment if spilled or not disposed of properly Contact your local govern ment agency for information concerning proper disposal PB1317 5229 186 22 01510 812 01 PART 11 SUBJECT INDEX A Antifreeze 159 Anti lock brakes 93 Appearance 177 Appliances in the Cab 58 B Battery compartment cover 167 electrolyte 163 recharging 163 slow battery charging 164 Brake operation 93 Brake system truck amp tractor 93 C Cab Tilting 10 11 Cap Nut Torque Specifications 154 Cleaning the vehicle 177 Coasting 110 Consumer Information 186 Controls Air Horn 21 Air Suspension Deflate Switch Dump Valve 31 Brakesaver 36 Cigarette Lighter 46 Cruise Control Switch 33 Digital Message Center 35 Dome Light Switch 29 Electric Horn 22 24 Engine Fan Switch 32 Fifth Wheel Lock Slider Adjustment Switch 39 Fog Lights Switch 29 Hand Throttle Control 27 Hazard Flasher 21 Headlights 27 Heater Air Conditioning Controls 41 High Beam Headlights 22 ID and Cle
97. en you turn or change lanes Remember that other objects are closer than they seem j WARNING Optional convex outside rear view mirrors PB1317 CAT NO 5229 57 22 01510 R12 01 PART 4 CONTROLS AND DISPLAYS Luggage Compartment s An interior luggage compartment is under the bunk in the Conven tional sleeper The exterior compartment is beneath the bunk open ing from the driver s side on the outside of the cab sleeper can be dangerous In a sudden stop or even going over a bad bump they could fly forward and strike you or a passenger possibly causing serious injury Secure loose objects Carry any heavy objects in the exterior luggage compartment and close it securely j WARNING Carrying objects loose in your cab or Appliances in the Cab You may decide to equip your vehicle with a radio a refrigerator or other appliances and conveniences Be sure they are compatible with your truck s electrical system Secure them in the cab so they can t fly loose in a sudden stop in your cab could strike you or anyone with you You could be injured or even killed Secure any appliance such as a refrigerator or radio you add to your cab UltraSleeper Table Follow the procedure below to deploy the table in an UltraSleeper 1 Pull on the leg loop see Illustration until the leg snaps open j WARNING In a sudden stop or collision a heavy object Ww BUNK UP BELT RIGHT SIDEWALL SS CABIN
98. engine damage from lack of lubrication The normal torsional vibrations generated can also cause transmission wear During the time it takes you to drink a cup of coffee your engine can cool as much as 60 F 33 C below normal operating temperature To keep the engine warm during a short break turn it off And don t allow your engine to idle longer than five minutes Putting The Vehicle In Motion This section discusses the clutch and transmission operation to get your Peterbilt underway dangerous In a sudden stop or even going over a bump in the road they could fly through the air and strike you or a passenger You could be injured or even killed Secure all loose objects in the cab before moving the vehicle Shifting The Transmission You will find a shift pattern either on a decal in your cab or on a medallion in the shift knob Check to be sure you know the correct sequence for your particular transmission Refer to the transmission manual included with your vehicle for complete instructions in the operation of your transmission Shifting Gears in a New Vehicle Shift carefully in a new vehicle The transmission may be a little stiff at first So be careful to avoid gear clashing When you are operating a new vehicle or one that has been exposed to cold weather you want the transmission lubricant to circulate and coat the contacting surfaces of the gears Metal contacting metal in moving parts may seriously damage your tra
99. er of lubricant See the Index under Lubricant Specifications for the lubricant required by each axle 2 After adding the specified type and amount of lubricant drive the vehicle It should be unloaded Drive 1 to 2 miles 1 5 to 3 km at a speed lower than 25 mph 40 km h This will thoroughly circulate the lubricant through the assembly Anti Lock Braking System Operating Information This vehicle may be equipped with an anti lock braking system ABS This ABS reduces the possibility of wheel lock up If a wheel is about to lock during braking the ABS will automatically adjust air pressure to the brake chambers on the appropriate wheel s to prevent wheel lock up The ABS is automatically turned on when the ignition switch is turned on PB1317 CAT NO 5229 92 22 01510 R12 01 PART 7 STARTING amp OPERATING THE VEHICLE system For the safety of you and others around you have the vehicle submitted for periodic preventive maintenance checks as well as having any suspected problems immedi ately checked by an Authorized Service Center Failure to properly maintain your brake system can lead to serious injury accidents j WARNING The brake system is a critical vehicle safety brake components as it may cause the brakes to work less efficiently than normal The vehicle s stopping distance may be longer than expected and the vehicle may pull to the left or right when brakes are applied which could con tribute to an
100. er in which Peterbilt trucks are manufactured Federal Safety Standard Certification Label The National Highway Traffic Safety Administration regulations require a label certifying compliance with Federal Safety Standards for United States and U S Territories be affixed to each motor vehicle and prescribe where such label may be located j WARNING Diesel engine exhaust and some of its con This certification label which indicates the date of manufacture and other pertinent information is located on the left hand cab door post DE MED 3RD GAUR SULTROLE TIRE RIM CHOICE THIS VEHICLE COUFORMS TO ALL MANUFACTURED BY TIRE 14 amp RIM SIZE PSI COLD APPLICABLE FEDERAL MOTOR VEHICLE PETERBILT MOTORS CO FR J IC SAFETY STANDARDS IN EFFECT ON THE DIVISION PACCAR Inc 2ND J DATE OF HANUFACTURE SHOWN ABOVE p 1 W TRUCK TRACTOR 2170079 02955 How To Order Parts When you need replacement parts for your Peterbilt vehicles contact your nearest authorized Peterbilt dealer who may be located from the Peterbilt Authorized U S and Canadian Dealers listing Cat No 5212 When you order it is IMPORTANT than you have the following infor mation ready e Your name and address Serial number of the truck The name of the part you need The name and number of the
101. eritor Transmission manual for servicing information Recommended Lubricants Type Of Lubricant Grade SAE Heavy Duty Engine Oil 50 Above 10 F 12 C A P I CD CE SF or SG Previous desig 40 Above 10 F 12 C nations acceptable MIL L 2104B C or D 30 Below 10 F 12 C Mineral Gear Oil with Rust 90 Above 10 F 12 C and Oxidation Inhibitor cele 80 Below 10 F 12 C Synthetic Oil Meritor Speci 50 All fication 0 81 Mobil Trans SHC50 Syn 50 All thetic Multi weight and EP gear oils are not recommended DO NOT MIX OILS IN THE TRANSMISSION 9 See your Peterbilt dealer for Meritor approved lubricant brands Freegomline transmission PB1317 NO 5229 138 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE Meritor Axle Lubrication NOTE Axles utilized in 100 off highway use are not eligi n ble for Meritors Advanced Lube Rear Drive Axle program Under Meritor s Advanced Lube Rear Drive Axle program the axles listed below are exempt from an initial lubricant change AVAILABLE ADVANCED LUBE AXLES RS 17 145 RS 23 180 RT 40 145 RT 44 145P RS 19 145 RS 26 180 RT 40 145P RT 46 160 RS 21 145 RS 30 180 SQ 100A RT 46 160P RS 23 160 RT 34 145 SQ 100AP RT 52 160 RS 23 161 RT 34 145P RT 44 145 RT 52 160P Meritor rear axles that do not appear on the list above will continue
102. et at the site of wear Engine Mounted Noise Insulators Fasteners Check for condition and security How you do this will depend on the method of attaching the noise insulators on the engine and around the oil pan bolts snap fasteners or straps Tighten loose fasteners repair or replace any worn or damaged fasteners Insulators Check insulators around fasteners and stress points especially where they may be affected by engine vibration Repair any cracked or damaged mounting points Use suitable reinforcing plates to ensure that the insulators will remain in position Inner Fender Shields and Cab Skirts Fasteners Check all fasteners for security especially the self tapping hex head screws Remove and replace any loose rivets Shields and Skirts Check shields and skirts for cracks at mounting and stress points Check fender shields for tire marks worn spots or damage from objects thrown from tire treads You can repair cracked or damaged fiberglass fender shields with fiberglass and resin If you find damage at a fastening point you can gain additional strength by installing a suitable reinforcing plate This plate should be drilled to accept a rivet and laminated to the shield with fiberglass and resin PB1317 CAT NO 5229 181 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE Check cab skirts sills and brackets for overall condition and repair them as necessary Damaged rubber fender shields or cab skirting
103. etails of inspection and maintenance of your exhaust system are covered below under Noise Control System Check the Index for page reference Anti lock Braking System ABS For details of use and maintenance of your anti lock system see the anti lock braking system service literature that came with your truck Below are some general notes on repairing your anti lock braking system The foundation brake system must be in proper working order to ensure the best ABS performance Before welding anywhere on the vehicle detach the ABS ECU connector and all other electronic control units Never detach the ECU connector with the ignition turned on e Do not attempt to repair ABS ASR ATC electrical cables that are outside the vehicle Replace faulty cables as an assembly When servicing brakes hubs or axle recoat the ABS sensors with anti seize compound Make sure the sensor is pushed against the pulse wheel after the hub is reinstalled On rear axles the sensor should be pushed fully into the mounting block before reinstalling the hub e Check ABS wiring harnesses and piping periodically for chafing or other problems No regular maintenance is required on the ABS components During wheel balancing dyno testing or any time the ignition is on with part of the ABS disconnected a failure code will be recorded After servicing or testing of the vehicle is completed clear the fail ure codes If due to operating c
104. expensive damage to sensitive electronic compo nents such as relays and the radio Improper hook up of jumper cables or not following these procedures can damage the alternator or cause serious damage to both vehicles or yourself Battery posts terminals and related accessories con tain lead and lead compounds chemicals known to the State of California to cause cancer and reproduc tive harm Wash hands after handling j WARNING Batteries contain acid that can burn and PB1317 NO 5229 165 22 01510 812 01 PART 8 MAINTENANCE AND SERVICE cause serious damage to both vehicles Improper use of a booster battery to start a vehicle may cause an explosion To Jump Start Your Vehicle 1 Wear eye protection and remove rings metal watch bands and any other metal jewelry 2 Set the parking brakes Place the transmissions of both vehicles in Neutral Do not let the vehicles touch one another Turn the ignition key to Off in the vehicle with the discharged battery Also turn off lights heater and any other unnecessary electrical load 3 If either battery has vent caps remove them and check the fluid level If itis OK replace the caps before going further If the level is low add distilled water and replace the caps before proceeding If no water is available remove the caps and cover the filler open ings with a cloth before proceeding After jump starting the vehicle dispose of the cloth CAUTION
105. eyond 1000 RPM been started for more than 30 days squirt about half a cup 120 ml of clean specified engine oil into the turbocharger oil inlet port Use an oil can This will keep the turbocharger bearings lubricated until the engine oil pressure gets up to normal Cold Temperature Starting Procedure In cold weather fast engine starting helps relieve the loads on the electrical system and cranking motor Using the special cold starting equipment will help starting If you follow a few simple guidelines you will extend the service life of your engine Keep the electrical system in top condition Use the best quality fuel of the recommended grade Use recommended engine lubricating oil Ether Metering Equipment Hn NOTE If your vehicle has a DDC engine and if it has not extremely flammable and poisonous If ignited it could burn you badly If you swallow it it can be harmful or fatal Do not smoke when testing installing or servicing an ether starting unit Service it in a well ventilated area away from heat open flames or sparks If swallowed do not induce vomiting Call a physician immediately Wear goggles to avoid getting fluid in your eyes Avoid getting it on your skin and avoid breathing the fumes If fluid does get in your eyes or fumes irritate your eyes flush for 15 minutes with large amounts of clean water Contact an eye specialist Do not move or relocate the ether cylinder or tubing fro
106. g Batteries CAUTION Always reinstall the battery compartment cover step before entering the cab Without the battery cover you could slip and fall resulting in possible injury to your self Whenever you have to install a battery or remove one follow these guidelines for the safety of yourself and the battery e Ensure all switches on the vehicle are turned Off e Disconnect the ground cable first when removing a battery Connect the ground cable last when installing a battery Fuel System Location of Fuel Shut off Valves Fuel shut off valves for the fuel crossover line are on the bottom of the secondary fuel tank at the crossover line connection They are optional on the primary fuel tank Specification Use only diesel fuel as recommended by engine manu facturers WARNING A mixture of gasoline or alcohol with diesel AN fuel in the presence of an ignition source such as a cig arette could cause an explosion You could be seri ously injured Use only the recommended diesel fuel tank drain the entire system Otherwise the pump and engine will be damaged Don t try to dilute the gasoline by adding diesel fuel See Warning above CAUTION If anyone ever pours gasoline into your fuel Fuel Filters Please follow these recommendations when you are changing your fuel filters or strainer elements Your engine will run better and last longer if you do See the engine manufacturer s recommendations for proper water
107. ged periods of time engine coolant oil and charge air intake temperatures which can lead to overheating and possible engine dam age If you must use a winterfront refer to the Engine Operation and Maintenance Manual for operating restric tions and recommendations CAUTION The use of a winterfront can result in excessive PB1317 5229 83 22 01510 812 01 PART 7 STARTING amp OPERATING THE VEHICLE Transmission Warmup COE Only gradual or sudden increase in cable shift effort or a decrease in the usable travel Take the vehicle to the nearest authorized Peterbilt dealer for repair Failure to correct either of these conditions could result in serious injury or death j WARNING Do not operate this vehicle if you notice a tant not contaminant proof Protect cable from contami nants chemicals and physical damage which may damage the control cable A CAUTION Cables are designed to be contaminant resis repairable The cables cannot be lubricated and or repaired If you detect a broken seal moisture or if the cable has frozen the shift cable must be replaced Do not apply heat to thaw or improve performance of the cables H NOTE Shift control cables are lubricated for life and are non In cold weather you may find shifting sluggish when you first start the engine Transmission warmup is especially important at this time but it is always a good idea to warm up your transmission before s
108. get less free travel Always start out in a low gear with a ceramic faced clutch Starting in higher gears even with a light load will cause a very jumpy start and excessive wear And don t allow your vehicle to roll in the opposite direction at all during clutch engagement If you need to start up on an incline apply your service brakes before you release the parking brake Then release your service brakes as you engage the clutch and apply throttle Release Bearing Wear When you must idle your engine for any period of time shift your transmission to neutral and engage the clutch take your foot off the pedal This helps prevent unnecessary wear of your clutch release bearing And it is less tiring for you too Clutch Adjustment Inspect manual and self adjusting clutches regularly to maintain cor rect clutch adjustment Have your dealer s service department per form any adjustments necessary Do not adjust your clutch by adjusting the external linkage without first checking and correcting if necessary the internal clutch adjustment Using only the external linkage adjustment could damage the clutch Clutch Brake Your clutch brake is used for stopping gear rotation to let you shift into 1st gear or reverse when your vehicle is at a standstill About the last 1 2 to 1 inch of clutch pedal travel activates your clutch brake So if you are stopped and want to shift directly into 1st or reverse depress the clutch pedal until
109. gh no ball seats Center bore diameter is 8 21 32 in Budd Uni Mount 10 wheels have UNIMOUNT stamped on the disc Ball seat wheels have spherical chamfers machined on each stud hole Center bore diameter is 8 23 32 in Wheel Nuts Nut has a hex body and a flange for clamping against wheel face Hex size is 33 mm same as 1 5 16 in N Inner and outer cap nuts mate with spherical chamfers on wheels Inner nut has 13 16 in square end Outer nut has 1 1 2 in hex WARNING Mismatched wheel components are danger ous Equipment that does not exactly match original specifications or that is mismatched could cause your wheels to break and separate from the vehicle The resulting accident could be very serious Each mount ing system is engineered for use only with its correct mating part Be sure properly matched components are used for each type of mounting PB1317 CAT NO 5229 151 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE Wheel Cap Nut Torque At the first 100 miles have all wheel cap nuts torqued to their speci fied value After that check wheel cap nuts at least once a week Contact the Service Department at your dealership for information on the proper installation procedure for the wheels on your truck This is a job you may not be able to do yourself You need the right torquing equipment to do it Wheel Bearing Adjustment For safe reliable operation and adequate service life your
110. grease Clutch pedal Check for proper free pedal see page 158 Clutch release linkage Check for excessive looseness and lubricate NLGI 2 grease Clutch release bearing Lubricate 8 LHVd 39IAd3S 39NVN3 LNIVIN 221 6228 ON 1V2 ZLELGd 10 219 OLSLO ZZ Recommended SYSTEM COMPONENT MAINTENANCE TASK PM Interval Clutch Clutch release shaft Lubricate X Cooling Hoses Check the radiator and heater hoses for leaks X X System Flush drain and refill with new coolant mix see page 159 System Check concentration of antifreeze solution and condition of coolant X see page 159 System Change coolant filter add conditioner and supplemental cooling X additives SCAs see page 159 Fan clutch housing Check for leaks see page 172 X X Tires amp Tires Check inflation pressure see page 146 Weekly cold using Wheels calibrated gauge Tires Inspect for cuts irregular wear missing lugs sidewall damage etc X Disc wheels Inspect the wheel disc for any cracks or surface irregularities X Inspect the rim edge and bead seat area for damage Replace any damaged wheels DO NOT ATTEMPT TO REPAIR Demountable rims Inspect the mounting ring rim gutter side ring and lock ring for X damage replace as required 8 LHVd 39IAH3S 39NVN3 LN
111. h air pressure Never look into air jets or direct them at anyone Never attempt to disassemble a component until you have read and understood recommended procedures Some components contain powerful springs and injury can result if not properly disassembled Use only proper tools and observe all precautions pertain ing to use of those tools j WARNING Prior to the removal of any air system com The operation of the vehicle s braking system and many vehicle accessories depends upon the storage and application of a high pressure air supply Your vehicle s compressor takes outside air and compresses it usu ally to 100 120 psi The compressed air then goes to the reservoirs to be stored until needed When you operate your air brakes the stored compressed air flows into the chambers where it is used to apply your truck and trailer brakes That is why when you push down on your brake pedal you don t feel the same amount of pressure on the pedal that you do when you apply the brakes on your car All you are doing on your truck is opening an air valve to allow air to flow into the brake chambers Air Supply System Contamination of the air supply system is the major cause of prob lems in air operated components such as brake valves wiper motors and suspension height control valves To keep contaminants to the lowest possible level follow these maintenance procedures PB1317 NO 5229 156 22 01510 R12 01 PART 8
112. he Caterpillar BrakeSaver provides auxiliary braking to slow the vehicle and to control speed on long grades Refer to the BrakeSaver Operation section of the Caterpillar manual for complete operating instructions Manual Control Lever This hand operated control lever provides modulated application of the BrakeSaver in the manual or ON mode How much braking you get depends on how much you move the lever Manual and Automatic Control Switch 02903 With the switch in the AUTOMATIC position the BrakeSaver will be fully applied automatically when the operator has the vehicle in gear and takes his or her foot off the accelerator pedal With the switch in the ON position the BrakeSaver will be applied constantly regardless of whether the operator has the vehicle in gear or his or her foot off the accelerator A Control Air Pressure gauge and an Engine Oil Temperature gauge are provided with the BrakeSaver PB1317 CAT 5229 36 22 01510 912 01 PART 4 CONTROLS AND DISPLAYS Jacobs Engine Brake or Cummins C Brake Switch 2 Mode and 3 Mode Systems surfaces with poor traction such as wet or icy slippery roads or gravel could cause loss of control The ON OFF switch turns the system ON or OFF The second switch performs the progressive braking function that controls the amount of retarding e f you have the three mode system you can select low A medium B or high A B
113. he center of the steering wheel 27884 Model 379 vehicles built on or after 5 1 98 with SRS PB1317 5229 22 22 01510 912 01 PART 4 CONTROLS AND DISPLAYS Trailer Brake Hand Valve 02975 Conventional COE 02975A Model 379 vehicles built on or after 5 1 98 with SRS This hand valve provides air pressure to apply the trailer brakes only It operates independently of the foot treadle valve To operate the trailer brake hand valve Pull down on the lever under the right side of the steering wheel or on the dash COE models of the BrakeSaver lever could lead to an accident If you have these levers they may be close together on your steering wheel column Be sure you get the one you want The BrakeSaver lever is bent while the trailer park ing brake lever is straight see page 36 j WARNING Grabbing the trailer hand brake lever instead See Brake Safety and Emergency for more complete information on when and how to use your trailer brake Or see the Index under Brake Hn NOTE The trailer brake is not to be used as the main means of braking To use this brake frequently instead of using the foot brake will wear out the trailer brake sooner PB1317 5229 23 22 01510 812 01 PART 4 CONTROLS AND DISPLAYS brakes for parking or holding a vehicle Air system pres sure can bleed down and release the brakes
114. he symbol shown above To turn on the wipers rotate the knob to the right As you turn the knob further to the right intermittent delay decreases until the knob encounters the first position for continuous operation Turn the knob further right to the next position for higher speed con tinuous operation Turn off the wipers by rotating the knob to the left PB1317 CAT NO 5229 30 22 01510 R12 01 PART 4 CONTROLS AND DISPLAYS Air Suspension Deflate Switch Dump Valve AIR NORMAL DEFLATE A SUSPENSION AIR SUSPENSION Your Peterbilt vehicle may have an air suspension deflation switch which allows the air in the suspension to be exhausted from a switch on the dash The purpose of this feature is to allow you to lower your tractor to get under a trailer You may notice a guard over the switch This prevents you from acci dentally deflating the suspension Switch Dump Valve while driving can lead to an acci dent Sudden deflation while your vehicle is moving can affect handling and control Use this switch only when your vehicle is not moving j WARNING Operating the Air Suspension Deflate CAUTION Operating a vehicle with air suspension A bags either overinflated or underinflated may cause damage to driveline components If a vehicle must be operated under such conditions do not exceed 5 mph PB1317 CAT NO 5229 31 22 01510 R12 01 PART 4 CONTROLS AND D
115. hin the first 5000 miles 8000 km if converting to an Eaton approved synthetic lube e Change the lubricant within the first 5000 miles 8000 km of oper ation after a carrier head replacement regardless of the lubricant type e Refer to the Eaton Field Maintenance Manual for a particular axle for lubricant specifications See your Peterbilt dealer for Eaton approved lubricant brands Referto the chart below for lubricant change interval Type of On Maximum On Off Highway Maximum Lubricant Highway Change Severe Service Change Interval Miles km Interval Mineral Based 120 000 Yearly 60 000 Yearly 192 000 96 000 Eaton Approved 240 000 2 Years 120 000 Yearly Synthetic 384 000 192 000 Eaton Approved 360 000 Synthetic in axle 576 000 with extended drain interval option PB1317 NO 5229 140 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE Wheel Bearing Lubrication Oil lubricated Driven Hubs Use hypoid oil A P I GL 5 SAE 80W 90 or equivalent A minimum of 1 quart 921 ml of oil is required for proper lubrication of each drive hub Add oil through the filler hole in the hub if none add oil through the differential filler hole Note Remember to replace vent plug or threaded filler plug when done Allow time for the oil to seep through the bearings when initially filling a hub Maintain the differential oil level by adding oil unt
116. hooks quarter fenders etc Always reinstall steps before entering the cab or accessing the deck plate Without steps you could slip and fall resulting in possible injury to yourself j WARNING Do not step on vehicle components without NOTE Any alteration adding bulkheads headache racks n tool boxes etc behind the cab or sleeper that affects the utilization of grab handles deck plates or frame access steps installed by Peterbilt must comply with FMCSR 399 PB1317 CAT NO 5229 B 22 01510 R12 01 PART 3 GETTING TO YOUR ENGINE Hood Hold Downs Conventional Cabs Your hood hold downs keep your hood from opening unexpectedly Latched Unlatched 02961 could open during operation and cause vehicle damage Be sure to latch the hood securely Hood Tilt Conventional Cabs CAUTION If you do not latch your hood securely it Proper Way To Tilt Hood 02962 To open your hood unlock the hood hold downs by unlatching them Put one hand on the top of the hood front one foot on the bumper and one foot on the ground Tilt the hood forward there are no people or objects in the way A hood could j WARNING Before opening or closing the hood be sure hurt someone in the way of its descent PB1317 CAT NO 5229 a 22 01510 R12 01 PART 3 GETTING TO YOUR ENGINE Safety Cable Hooked Cable 02963 WARNING If the hood falls anyone under it could be AN injured Always a
117. ht will give a shutdown signal In this case the anti lock sys tem can be turned back on and the warning light extinguished by turning the key switch OFF and ON after the vehicle has been brought to a full stop When the key switch is turned back on the warning light will illuminate and remain on for 3 to 5 sec onds This is a built in function test of the warning light Cab Heater Air Conditioner The combination heater air conditioner provides comfort for those in the cab through accurate control of the cab environment in all weather conditions Regular attention will help you keep your unit running well H NOTE If one wheel on any driven axle continues to slip or spin sleeper ventilation system properly maintained It is recom mended that the vehicle s exhaust system and cab sleeper be inspected Byacompetent technician every 15 000 miles e Whenever a change is noticed in the sound of the exhaust system Whenever the exhaust system underbody cab or sleeper is damaged H NOTE Keep the engine exhaust system and the vehicle s cab system keep the inlet grille at the base of the windshield clear of snow ice leaves and other obstructions at all times e keep the exhaust pipe area clear to help reduce the buildup of exhaust gases under the vehicle Perform the following checks every 3 months or 30 000 miles 48 000 km whichever occurs first Heater e Check all heater controls for full range operation H
118. i Lock Braking System 92 Automatic And Automated Transmissions 91 Auxiliary Transmission 92 Bobtail Brake Proportioning System 96 Brake Safety and Emergency 96 Digital Message Center 95 Driving Bobtail or with an Unloaded Trailer 103 Driving With Deflated Air Springs 109 Dual Range Two Speed Axles 89 Idling the Engine 84 If Your Vehicle Must Be Towed 92 Interaxle Differential 87 Manually Releasing Spring Brakes 99 Operating the Clutch 85 Overheated Brakes 97 Parking Brakes and Their Use 97 Pyrometer 103 Retarders 91 102 Setting Ride Height 106 Shifting The Transmission 85 Starting Procedure Cold Temperature 81 Normal Temperature 80 Stopping The Engine 104 Trailer Air Supply Valve 99 T Tachometer 111 Transmission lubrication 134 warmup 84 U UltraSleeper Bunk 60 Refrigerator 59 Table 58 V Vehicle driving 76 Vehicle Identification Number 184 Vehicle inspections 76 Vehicle weight rating 154 W Wheels and tires replacement 153 Windshield washer reservoir 30 Numerics 49 CFR 565 Code of Federal Regulations 184 PB1317 CAT NO 5229 190 22 01510 R12 01 PART 11 SUBJECT INDEX NOTES PB1317 CAT NO 5229 191 22 01510 R12 01 PART 11 SUBJECT INDEX NOTES PB1317 CAT NO 5229 192 22 01510 R12 01 Other Publications Order either of the two publ
119. ications shown below through your Peterbilt dealer There is a charge for each Allow four weeks for delivery Custom Maintenance Manual This manual contains both pro prietary and supplier service information specifically com piled for the components on your vehicle The material in this manual is the same as that used by Peter bilt dealers It includes inspec tion maintenance overhaul and troubleshooting procedures Owner s Custom Parts Book This book is a complete unillus trated computer generated list of the parts used to custom build your Peterbilt vehicle Please provide your Chassis Serial Number when ordering Peterbilt Motors Company P O Box 90208 Denton Texas 76202 A DIVISION OF PACCAR
120. il mode these tractors will require greater brake pedal application to provide the equivalent braking to a bobtail tractor not equipped with a proportioning system Hn NOTE The following information is applicable only to tractor axle brakes when driving bobtail always ensure the steer axle brakes are functioning and properly adjusted Failure to do so can lead to decreased braking ability longer stopping distances loss of vehicle control and can cause an accident j WARNING Because of the increased use of the steer Brake Safety and Emergency WARNING Do not operate the vehicle in the event of a AN malfunction in any air circuit The vehicle should not be operated until the system is repaired and both braking circuits including all pneumatic and mechanical com ponents are working properly Loss of system air can cause the service brakes not to function resulting in the sudden application of the spring brakes causing wheel lock up loss of control or overtake by following vehi cles You could be in an accident and severely injured tem always avoid completely depressing the service brake pedal if possible even during emergency brak ing Depressing the brake pedal too aggressively can cause the wheels to lock which can lead to an uncon trolled skid and could cause an accident j WARNING Unless you have an anti lock braking sys To stop your vehicle in an emergency vary the service brake applica tion pressure to pro
121. il its surface is even with the bottom of the filler hole see page 133 Oil lubricated Nondriven Hubs Use CD50 synthetic transmission fluid SAE 50W or equivalent A min imum of 9 oz 270 ml of lubricant is required for proper lubrication of an LMS hub 10 13 oz 295 400 ml is required for a non LMS hub depending on wheel design Allow time for the fluid to seep through the bearings when initially filling a hub When properly filled the fluid level will lie between the fluid level line and 1 4 above the line Note Remember to replace vent plug when done Grease Lubricated Hubs Repack the hub bearing with clean wheel bearing grease after disas sembling cleaning and inspecting Universal Joint Lubrication Refer to the Spicer Universal Joints and Driveshafts service manual and lubrication specifications PB1317 CAT NO 5229 141 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE Steering Gear Lubrication same type Do not mix different fluids While many flu ids have the same description and intended purpose they should not be mixed due to incompatible additives If incompatible insoluble fluids are mixed in a power steering system air bubbles can be produced at the interface of the two fluids This can cause cavitation which reduces the lubrication between moving parts in the gear This could result in worn components CAUTION When adding fluid be sure to use fluid of the Inspection NOT
122. il pressure fails to rise within 10 seconds after your engine starts stop the engine and determine the cause If your oil pressure suddenly drops while you are driving bring the vehicle to a stop as soon as possible in a safe location off the road and turn off the engine Wait a few minutes to allow oil to drain into the oil pan and then check the oil level Add oil if necessary If the problem persists contact an authorized service center Check the engine manufacturer s manual for the correct oil pressure ranges for your engine Water Temperature Gauge The water temperature gauge shows the temperature of the engine coolant Under normal operating conditions the water temperature gauge should register between 165 and 205 F 74 and 90 C Under certain conditions somewhat higher temperatures may be acceptable But the maximum allowable temperature is 210 F 99 C with the cooling system pressurized except for certain special engines Check your engine manual to be sure PB1317 CAT NO 5229 51 22 01510 R12 01 PART 4 CONTROLS AND DISPLAYS Engine Overheating engine is hot Scalding steam and fluid under pressure may escape and cause serious personal injuries You could be badly burned Wait until the coolant temperature is below 122 50 C Protect face hands and arms by covering the cap with a large thick rag to protect against escaping fluid and steam e Carefully and slo
123. ile driving the vehicle take your vehicle to the nearest Peterbilt dealer for ser vice immediately The airbag system may have a fault that will render the system inoperable A CAUTION If the airbag system warning light There is an airbag system warning light in the warning light bar in the dash The system performs self diagnostics during vehicle start up The light will flash for approximately 5 seconds when the ignition is turned to the RUN or START position When the system is operat ing correctly the light will go out after 5 seconds e LO ES Airbag Electrical Components any part of the air bag system Modifications or repairs to any part of the airbag system could result in system failure or sudden inadvertent deployment of the airbag module and could result in possible injury One of the components for the airbag electrical system is a clock spring harness located in the hub of the steering col umn Repair work should only be performed by an authorized Peterbilt dealer j WARNING Do not attempt to repair probe or splice PB1317 CAT NO 5229 74 22 01510 R12 01 PART 5 SEAT AND RESTRAINT SYSTEMS To connect the airbag module sensor control system and the airbag warning light numerous electrical connectors and harnesses are installed in the vehicle They can be identified by a yellow covering There are no serviceable components in the airbag system When working on the vehicle s e
124. in the sound of the exhaust system e Whenever the exhaust system underbody cab or sleeper is damaged H NOTE Keep the engine exhaust system and the vehicle s cab NOTE To allow for proper operation of the vehicle ventilation system keep the inlet grille at the base of the windshield clear of snow ice leaves and other obstructions at all times NOTE Do not stay in the vehicle with the engine running or idling for more than 10 minutes with the vehicle s Heater and A C ventilation system in RECIRC or at LOW FAN SPEED Even with the ventilation system On running the engine while parked or stopped for prolonged periods of time is not recommended NOTE If you are required to idle your vehicle for long periods of time install an auxiliary heater or automatic idle control These auxil iary devices can reduce fuel consumption and save you money NOTE When idling for short periods of time e Set the heating or cooling system to Heat or A C e Set the fan to Medium or High speed e Setthe controls to FRESH AIR m NOTE If other vehicles are parked next to you idling move n your vehicle or do not stay in your vehicle for prolonged periods of time To Set the Heater Air Conditioning Controls COE The COE panel contains two toggle switches and three sliding levers for providing cab temperature control in all weather conditions see illustra tion below A secondary panel is located on the upper left wall of the bunk or sl
125. ing repair work without sufficient Maintenance Manuals If you do decide to do any complex repair work you ll need the Peterbilt Maintenance manuals Order them from your authorized dealer Please provide your Chassis Serial Number when you order to be sure you get the correct manuals for your vehicle Allow about four weeks for delivery There will be a charge for these manuals Final Chassis Bill of Material A complete nonillustrated computer printout listing of the parts used to custom build your Peterbilt vehicle is available through the Peterbilt dealer from whom your purchased your vehicle Some modifications can affect your truck s electrical system stability or other important functions Before modifying your vehicle check with your dealer to make sure it can be done safely j WARNING Modifying your vehicle can make it unsafe Additional Sources of Information Operator s manuals are also supplied by the manufacturers of compo nents such as the engine seats transmission and radio in your Peterbilt If you are missing any of these manuals ask your Peterbilt dealer to supply them Your new Peterbilt s glove box also contains copy of the Truck Driver s Handbook published by the American Trucking Association Refer to it for important information on driving your vehicle Another place to learn more about trucking is a local truck driving school Contact one near you to find out what kinds of instruction it offers
126. int Systems 63 4 Adjust the steering column 5 Check mirror adjustment 6 Operate air powered devices to circulate lubricants CAUTION To avoid injury while entering or leaving the After Engine Warmup Check automatic transmission oil if equipped imum They are in addition to not in place of Federal Motor Carrier Safety Regulations These may be purchased by writing to Hn NOTE The above items should be checked daily as a min Superintendent of Documents U S Government Printing Office Washington DC 20402 PB1317 CAT NO 5229 79 22 01510 R12 01 PART 7 STARTING amp OPERATING THE VEHICLE Since each vehicle is custom equipped all engine operation instruc tions in this manual are general You will want to consult the manual for your engine to find out details about your specific engine s needs You may need to use a slightly different procedure from the one out lined here Also check the ATA Truck Driver s Handbook in your glove box It will give you tips on starting shifting and driving a truck Below are instructions for both normal temperature starting and cold weather starting Normal Temperature Starting Procedure When the outside temperature is above 50 F 10 C you can use the following procedure 1 Set the parking brake 2 Put your main transmission in Neutral 3 Disengage depress the clutch with manual transmission 4 Turn the key switch to ON e f yo
127. intenance items you are fully trained and equipped to do Before attempting any procedures in the engine com partment stop the engine and let it cool down Hot components can burn skin on contact Be alert and cautious around the engine at all times while the engine is running If work has to be done with the engine running always 1 set the parking brake 2 chock the wheels and 3 ensure that the shift lever or selector is in Neutral Exercise extreme caution to prevent neckties jewelry long hair or loose clothing from getting caught in the fan blades or any other moving engine parts Disconnect the battery ground strap whenever you work on the fuel system or the electrical system When you work around fuel do not smoke or work near heat ers or other fire hazard Keep an approved fire extin guisher handy Always support the vehicle with appropriate safety stands if it is necessary to work underneath the vehi cle A jack is not adequate for this purpose When working underneath the vehicle without appro priate safety stands but with the wheels on the ground not supported make sure that 1 the vehicle is on hard level ground 2 the parking brake is applied 3 all wheels are chocked front and rear and 4 the engine cannot be started Remove the ignition key Never start or let the engine run in an enclosed unven tilated area Exhaust fumes from the engine contain carbon monoxide a colorles
128. ion service guide in the Engine Operation Manual that came with your vehicle There the engine manufacturer explains more fully all the maintenance operations that you and a qualified service mechanic need to perform on your engine monoxide a colorless and odorless gas Do not breathe the engine exhaust gas A poorly maintained damaged or corroded exhaust system can allow carbon monoxide to enter the cab or sleeper Entry of carbon monoxide into the cab is also possible from other vehicles nearby Failure to properly maintain your vehicle could cause carbon monox ide to enter the cab sleeper and causes serious illness j WARNING Exhaust fumes from the engine contain carbon time if you sense that exhaust fumes are entering the cab or sleeper Investigate the cause of the fumes and correct it as soon as possible If the vehicle must be driven under these conditions drive only with the windows slightly open Failure to repair the source of the exhaust fumes may lead to personal harm i CAUTION Never idle your vehicle for prolonged periods of PB1317 CAT NO 5229 131 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE cab sleeper ventilation system properly maintained It is rec ommended that the vehicle s exhaust system and cab sleeper be inspected Byacompetent technician every 15 000 miles 24 000 km e Whenever a change is noticed in the sound of the exhaust system e Whenever the exhaust system underbody
129. ism Cab at full tilt position mounted antenna mast could injure someone Hemove or flag the mast before tilting the cab all the way for ward j WARNING When the cab is tilted fully 909 the roof CAUTION When tilting the cab to the full tilt or vice versa hold the safety lock bar up to prevent it from engaging at the locked position If it does lock your cab could be severely damaged gt PB1317 CAT NO 5229 13 22 01510 R12 01 PART 3 GETTING TO YOUR ENGINE To Lower the Cab 1 Place the control valve handle in the Return Down position Handle in Lower position 2 Release the mechanical lock Hold the safety lock bar up 3 Pump until the cab starts to descend The valve system will con trol the speed in either direction automatically down with hydraulic force If you do cab damage will CAUTION Do not try to pump the cab down or hold it occur 4 Leave the handle in the down position for at least 20 seconds after the cab touches down This allows time for the full spring force to develop in the cab latch Inspect the hooks to be sure they are closed If they are not properly engaged raise the cab slightly and guide the latch if necessary while lowering the cab Cab tilt not locked Cab tilt locked PB1317 CAT NO 5229 14 22 01510 R12 01 PART 3 GETTING TO YOUR ENGINE cab and the frame could result in serio
130. ite pointer shows the front reservoir air pressure and the red pointer indicates pressure in the rear reservoir Ensure the air pressure registers more than 100 psi in both service systems before you move the vehicle If the pressure in either or both circuits is too low for normal brake operation the pointer of one gauge is in the red sector a warning light in the panel will glow and the audible alarm will sound ble alarm indicate a dangerous situation There is not enough air pressure in the reservoirs for repeated brak ing and the brake system has failed If air pressure falls below 60 psi 414 kPa the spring brakes could suddenly apply causing a wheel lockup loss of control or your vehi cle to be overtaken by following vehicles You could be in an accident and severely injured If these alarms come on while you are driving bring your vehicle to a safe stop right away If the light and alarm do not turn off at start up do not try to drive the vehicle until the problem is found and fixed WARNING The air pressure warning light and the audi PB1317 5229 50 22 01510 812 01 PART 4 CONTROLS AND DISPLAYS Engine Oil Pressure Gauge It is important to maintain oil pressure within acceptable limits Your engine manual will give normal operating pressures for your engine CAUTION Continuing to operate your vehicle with in A sufficient oil pressure will cause serious engine damage If your o
131. ith water known to contain gypsum sulfur or chlorine 1 Drain the cooling system as soon as possible 2 Flush the system 3 Replace the filters 4 Refill with premixed coolant Consult your maintenance manual for the correct filters to install Low Silicate Antifreeze j WARNING Removing the radiator cap on a hot engine ene glycol antifreeze is poisonous Store in original fluid j WARNING Handle coolant and antifreeze carefully Ethyl container only and always keep out of reach of children Always install a low silicate antifreeze Premix your coolant to main tain the correct proportion of antifreeze and coolant conditioner chemicals Install only enough low silicate antifreeze to provide the required protection against freezing The chart on the next page shows the temperature protection pro vided by low silicate ethylene glycol antifreeze in relation to the pro portion mixed with water PB1317 NO 5229 159 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE Antifreeze O 10 20 30 40 50 53 57 60 68 70 80 90 100 percent by volume Temp Deg O 4 9 16 24 36 40 46 53 68 65 49 35 16 Protec C tion Deg 32 424 416 4 12 34 40 50 63 92 85 57 31 4 F Antifreeze Mixture A 53 mixture of low silicate antifreeze with 47 water is sufficie
132. ivot and mounting plate for integrity Check the plunger boot for cracks Lubricate roller pin pivot pin and plunger NLGI 2 grease Brake treadle valve Rebuild through an authorized Peterbilt service facility X Brake air system Check air lines and fittings for leaks see page 143 Adjust routing X as required to reduce chafing Check tank mounting and condition Brake air system Clean or replace the inline filters X Hub Hubs non LMS Check the bearing endplay and adjust as required see page 152 X Drum amp Hubcap Hubs non LMS with out Clean the components and check for excessive wear or damage runner seals Change the oil and seal see page 141 Hubs non LMS with Clean the components and check for excessive wear or damage X standard seals Change the oil and seal see page 141 Hub seals all Check for leaks replace as required X 8 LHVd 39IAH3S AONVNALNIVIN 6LL 6228 ON 1V2 ZLELGd 10 219 01910 22 Recommended SYSTEM COMPONENT MAINTENANCE TASK PM ateral I A B C D Hub LMS Hubs Dana Check the bearing endplay and adjust as required see page 152 X Drum amp Hubcap LMS Hubs Dana with Clean the components and check for excessive wear or damage 500 000 miles Synthetic Lubricant Change the oil and seal see page 141 800 000 km LMS Hubs Dana with Clean the components and check for excessive wear or damage 360 000 mi
133. k pulls a heavy load if you have such a transmission it is important to use it efficiently For correct operation see the manual for your automatic or automated transmis sion included with your vehicle CAUTION If you shift the axle range with the interaxle dif sion be aware that it can roll backwards when stopped on a hill or grade or when starting from a stop on a hill or grade This could cause serious damage or personal injury Observe the following guidelines When stopped on a hill or grade press the brake pedal When starting from a stop on a hill or grade quickly remove your foot from the brake pedal and firmly press on the accelerator pedal There is no park position So you will need to apply the parking brake before leaving the cab WARNING Do leave the cab without applying the park j WARNING If your vehicle has a Freedomline transmis ing brake The truck could roll and cause an injury accident Always apply the parking brake before you leave the cab Transmission Retarder Retarder Switch If you have this option it will act like a brake to slow your vehicle with out using the brakes Take your foot off the throttle and operate the retarder switch When you do not need full retarder effect you can PB1317 CAT NO 5229 91 22 01510 R12 01 PART 7 STARTING amp OPERATING THE VEHICLE apply it intermittently off and on to cause gradual or partial slo
134. l minutes and call a doctor Be careful that metal tools or any metal in contact with the positive terminal do not contact the positive bat tery terminal and any other metal on the vehicle at the same time Remove metal jewelry avoid leaning over a battery If metal jewelry or other metal comes in con tact with electrical circuits a short circuit may occur causing you to be injured plus electrical system fail ure and damage to the vehicle Do not try to jump start or charge a frozen battery Even a battery with ice particles on the electrolyte surface is dangerous Allow it to thaw out first And always allow battery to thaw gradually do not apply direct heat Gas trapped in the ice may cause an explo sion Do not try to jump start a vehicle if the electrolyte level in the battery of either vehicle is low Maintain the full level of electrolyte in the batteries This reduces the volume of gas in the cells The voltage of the booster battery must have a 12 volt rating And the capacity of the booster battery should not be lower than that of the discharged battery Use of batteries of different voltage or substantially different capacity rating may cause an explosion To avoid seri ous personal injury and damage to the vehicle heed all warnings and instructions of the jumper cable man ufacturer The jumper cables must be long enough so that the vehicles do not touch Applying a higher voltage booster battery will cause
135. l oil change information The intermittent peak temperature is the maximum temperature observed for a short time in a fully loaded vehicle performing normally OIL CHANGE vs TEMPERATURE FOR ON HIGHWAY VEHICLES 8 Engine and Minera Gear Olt 50 000 i 6 240 260 intermittent Peak Temperature F of In Transmission Sump Off Highway Use e Refer to the Eaton Fuller transmission manual for servicing infor mation PB1317 NO 5229 134 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE intervals may be harmful to the life of the transmission CAUTION Exceeding the recommended oil change and the transmission oil cooler Recommended Lubricants Type Grade Ambient SAE Temperature Heavy Duty Engine 50 Above 10 F 12 C Oil MIL L 2104B C or D API SF or API CD 40 Above 10 F 12 C Previous API desig nations acceptable 30 Below 10 F 12 C Mineral gear oil with 90 Above 10 F 12 C 80W Below 10 F 12 inhibitor API GL 1 Synthetic Lubricant 50 All See your Peterbilt dealer for approved brands Allison Transmission Lubrication Refer to your transmission manual furnished separately for lubrica tion information PB1317 CAT NO 5229 135 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE Spicer Transmission Lubrication It is extremely important to use the proper lub
136. lease remember the following safety rules Be sure no one is under the front of the cab Whether you are raising or lowering the cab KEEP CLEAR Never work under a raised cab unless it is properly supported This means use an overhead hoist of suffi cient capacity to support the cab safely Never prop the cab up instead of using a hoist The prop could fail and let the cab fall on you or anyone else working under the cab Always be sure the safety latch is engaged when you or anyone else works under the cab Perform work only when the cab is in the mechanically locked position or in the full tilt position When your cab s hydraulic system needs service or repair Have maintenance and repair done only by someone qualified in hydraulic systems Be sure no one tries to bleed the system with the cab raised This will defeat the safety system The cab can fall and crush anyone under it Do not tamper with any part of the cab tilt cylinders including removing the velocity fuses To do so will defeat their purpose The cab could fall and crush anyone under it If you have any need for repair involving the velocity fuses have a qualified truck mechanic do the work j WARNING You can be seriously injured by the cab if cylinders refer to the maintenance manual for repair instruc Hn NOTE In case of oil loss in the system or a lock up in the tilt tions PB1317 CAT NO 5229 11 22 01510 R12 01 PART 3
137. lectrical system ensure that no damage is done to the SRS electrical components as it may prevent the airbag System from operating properly or may cause it to inadvertently deploy nent If removal of any steering component occurs the clock spring harness can be damaged resulting in expensive repairs or system failure Any repair or replacement of steering gear steering shaft steering column or steering wheel must be done by an autho rized Peterbilt dealer CAUTION Do not remove any steering driveline compo If an Airbag Deployment Occurs WARNING N The airbag inflator becomes hot during deployment To avoid burns immediately after a deployment do not place any part of your body on the steering wheel hub Never attempt to drive your vehicle if the airbag has deployed Have your vehicle towed to an authorized Peterbilt dealer anytime the airbag deploys and have the dealer replace the airbag module and check the entire system The vehicle may not be safe to steer and the system can no longer provide proper protection nylon airbag cushion material may cause abrasions and or skin reddening to the driver as the airbag deploys and unfolds itself from the steering wheel The abrasions are similar to friction rope carpet or floor burns They are not caused by contact with chemicals They are not permanent and normally heal quickly However if the affected areas blister or have not healed within a few days consult your doct
138. les Mineral Lubricant Change the oil and seal see page 141 576 000 km Brake drums Inspect for visible cracks heat checking galling or scoring of the X braking surface and for severe corrosion on the outside surface Check for out of round or oversize condition 0 080 in 2 mm more than the original diameter Replace as required Hubcaps Clean the sight window Check the center plug mounting flange X and fill plug for leaks and for proper installation Replace broken or damaged parts Check the lubricant level and add as required Main amp Main amp auxiliary transmis Inspect for visible damage signs of overheating and leaks X X auxiliary sion and transfer case transmission Main amp auxiliary transmis Check the drain plugs for tightness X sion and transfer case 8 LHVd 39IAd3S AONVNALNIVIN 021 6228 ON 1V2 ZLELGd 10 219 OLSLO ZZ SYSTEM COMPONENT MAINTENANCE TASK Recommended PM Interval C D Main amp auxiliary transmission Oil cooler Clean the fins air to oil type and body Check the hose condition and for leaks replace as required X Main amp auxiliary transmis Sion Dana Main amp auxiliary transmis sion Check the oil level refill as required see page 134 and page 136 Main amp auxiliary transmis sion Dana Main amp auxiliary transmis sion ON HIGHWAY
139. liminate wheel spin and prevent excessive application of the ASR ATC system Except for checking for proper illumination of the ABS and Wheel Spin Control warning lamps when first starting the vehicle and for monitoring these lamps while driving no special operating procedures are required For detailed system description see service literature for your specific ABS that was provided with your vehicle Digital Message Center If so equipped the digital message center DMC in a vehicle will detect faults during operations When a new fault is detected a LED next to the DIAG key on the DMC s keypad will illuminate All faults are either active or inactive active faults are conditions that still exist PB1317 5229 95 22 01510 812 01 PART 7 STARTING amp OPERATING THE VEHICLE Active faults cannot be erased until they become inactive They should be investigated as soon as possible Inactive faults can be erased by using the CANCEL key on the DMC Refer to your DMC operator s manual for more information Bobtail Brake Proportioning System configurations built on or after March 1 1997 and not regis tered in the United States Peterbilt tractors without anti lock brake systems ABS are typically equipped with a bobtail brake proportioning system When a trailer is not connected the drive axle brake application pressure will automat ically be limited by the proportioning system When driven in a bobta
140. m its original installation It must be mounted to protect it from engine exhaust heat and from moving parts which could damage it Do not store the spare cylinder in the cab warm weather when you will not need the ether starting system remove the ether bottle from your truck and store it safely Return the protective cap to the bottle mounting connector WARNING The fluid in ether starting systems is PB1317 CAT NO 5229 81 22 01510 R12 01 PART 7 STARTING amp OPERATING THE VEHICLE In cold weather the engine will start faster and the starter motor will work more easily if ether is injected into the engine cylinder while the engine is being cranked Automatic System When you press your ignition starter button the cranking motor and the ether system are engaged When needed starting fluid is released from a pressurized cylinder flows through a valve and tub ing and sprays from a nozzle in you engine s air intake system Preheater With Glow Plug If you have a Caterpillar 3306 PCTA or an earlier model engine you may have a glow plug The glow plug preheater aids cold starting by burning fuel in the intake manifold and heating the intake air This feature can be very helpful if you operate your truck in cold weather For more helpful starting information refer to the engine manual that came with your vehicle Engine Warmup The purpose of engine warmup is to allow oil film to be established between
141. me a One of the most critical areas to be inspected is the seat belt web bing Constant movement of the belt actually means the webbing is experiencing wear as it travels in and out of the retractor through the pillar loop web guide and through the various pieces of hardware associated with the belt The following guidelines detail how to inspect for cuts fraying extreme or unusual wear of the webbing etc and damage to the buckle retractor hardware or other factors which indicate that belt replacement is necessary 1 2 E Web cut or frayed C a Web cut or frayed at lor extremely worn ES D loop web guide at latch area 8 3 4 f S Buckle casting S broken 7 a gt 6 1 03004 1 Check the web wear in the system The webbing must be closely examined to determine if it is coming into contact with any sharp or rough surfaces on the seat or other parts of the cab interior These areas are typical places where the web will experience cut ting or abrasion Cuts fraying or excessive wear would indicate the need for replacement of the seat belt system 2 The D loop web guide is the area where almost constant move ment of the seat belt webbing occurs because of relative move ment between the seat and the cab PB1317 CAT NO 5229 70 22 01510 R12 01 PART 5 SEAT AND RESTRAINT SYSTEMS 3 Check the Komfort Latch
142. n You could be injured by sliding under the j WARNING Do not drive or ride with your seat back in the seat belts in a collision vehicle is moving The seat could move suddenly and unexpectedly and can cause you to lose control of the vehicle Make all adjustments to the seat while the vehi cle is stopped After adjusting the seat and before driv ing off ensure that the seat is firmly latched in position j WARNING Do not adjust the driver s seat while the Seat Belts And Their Proper Use Seat or safety belts have proven to be the single most effective means available for reducing the risk of serious injury and death in motor vehicle accidents It s not just an opinion it s a fact Seat belts save lives WARNING Do not drive vehicle without your seat belt N and your riders belt fastened Riding without a safety belt properly fastened can lead to increased injury or death in an emergency Unbelted riders could be thrown into the windshield or other parts of the cab or could be thrown out of the cab They could strike another person Injuries can be much worse when riders are unbelted Always fasten your seat belt Person In Crash Unbelted PB1317 5229 63 22 01510 812 01 PART 5 SEAT AND RESTRAINT SYSTEMS Shoulder Belt Your combination shoulder lap belt needs proper adjustment The lap portion should be worn as low on the hips as possible i Properly worn belt Improperly
143. n signal lever is mounted on the left side of the steering col umn below the steering wheel Green directional indicator lights appear on the instrument panel NOTE The ignition key must be turned to ON for the signal nm switch to operate To operate the signal move the lever in the direction of the turn by returning the lever to the OFF center position The switch s lever action is NOT self canceling Failure to shut off a turn signal could confuse other drivers and result in an injury accident An indicator light in the instrument panel will flash until the turn signal is turned off j WARNING After you complete a turn shut the system off PB1317 5229 20 22 01510 812 01 PART 4 CONTROLS AND DISPLAYS Hazard Flasher OMA 02883 02883A Model 379 vehicles built on or after 5 1 98 with SRS The four way Hazard Flasher switch is on the turn signal body just below the turn signal lever It will operate with the key switch in the on or off position Use your hazard flasher whenever you are off the road or on the side of the road or in a potentially hazardous situation Pull it out to activate the system All turn signals will flash at once To turn it off move the turn signal lever up or down Of course in normal stopping in traffic such as at a stop light you do not use your flash ers time you have to stop off the road or on the side of the road da
144. ndicates your vehicle s speed in miles per hour and in kilometers per hour The odometer in the center of the speed ometer records the miles your vehicle has traveled Trip Odometer Life 559 SSS Some vehicles are also equipped with a trip odometer which tells how many miles the vehicle has gone on a particular trip To use it press the button next to the trip odometer The numbers will record 0 and will then begin to count the miles traveled To start over just push the button again PB1317 CAT 5229 48 22 01510 12 01 PART 4 CONTROLS AND DISPLAYS Tachometer RPM x 100 meat Your tachometer measures the engine speed in revolutions per minute RPM Watching your tachometer is important to driving effi ciently It will let you match driving speed and gear selection to the operating range of your engine If your engine speed gets too high you can select a higher gear to lower the RPM If your engine speed drops too low you can select a lower gear to raise the RPM Air Application Gauge This gauge will show you how much air pressure is being applied from your foot brake valve or trailer brake hand valve PB1317 CAT 5229 49 22 01510 12 01 PART 4 CONTROLS AND DISPLAYS Dual Air Pressure Gauge Air Reservoir The dual air pressure gauge indicates the amount of air pressure in the brake system in pounds per square inch psi The wh
145. noise and vibration If you find problems have the system checked thoroughly A mal functioning clutch usually indicates trouble elsewhere in the sys tem e Check the evaporator core and condenser core for debris restrict ing air flow Clean if necessary Small particles may be removed with compressed air blown through the core in the opposite direc tion of normal air flow could injure your eyes Wear eye protection any time CAUTION Small particles blown by compressed air you blow compressed air Check all hoses for kinks deterioration chafing and leaks Adjust kinked or chafing hoses to eliminate restrictions and prevent fur ther wear e On tilt cab vehicles verify that hoses are routed around the pivot point so that lifting the cab does not strain them PB1317 NO 5229 176 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE Check all components and connections for refrigerant leaks If you discover a leak don t try to tighten a connection Tightening a connection may cause a worse leak Have a qualified technician correct the problem NOTE A leaking evaporator or condenser core cannot be n repaired it must be replaced Have the air conditioning system fully inspected annually by your dealer Special Precautions tioning system to explode Never weld solder steam clean or use a blow torch near any part of the air condi tioning system If a refrigerant leak develops in the pres
146. nshift the axle Then release and depress the accelerator pedal quickly to increase the engine RPM The axle will shift to the LOW range Important Tips on Operating Your Dual Range Axle necessary to shift it to the Neutral position momentarily to allow H NOTE If your vehicle has an automatic transmission it may be the main differential lock splines to fully engage or disengage To avoid damaging your vehicle shift the axle at a slower speed until you are used to driving with the dual range axle When driving on a surface with good traction keep the interaxle differ ential unlocked You can drive with the axle in LOW or HIGH range SHIFT AT ANY SPEED EXCEPT IF A WHEEL IS SPINNING Interaxle In Unlock When you are driving with poor traction lock the differential When you have the differential locked drive with the axle in LOW range only SHIFT AT ANY SPEED EXCEPT IF A WHEEL IS SPINNING Interaxle In Lock Always UNLOCK the interaxle differential before shifting the axle speed range PB1317 CAT NO 5229 90 22 01510 R12 01 PART 7 STARTING amp OPERATING THE VEHICLE ferential in LOCK you could do serious damage to your axles Never shift the axle range with the differential locked e Park the truck with the Range Selector in LOW Automatic and Automated Transmissions An automatic or automated transmission makes shifting much easier of course But because your truc
147. nsmission So don t drive in one gear for long until the transmission lubricant has had a chance to coat those contacting surfaces Operating the Clutch Riding the Clutch The clutch pedal is not a footrest Driving with your foot on the clutch pedal will allow your clutch to slip causing excessive heat and wear You can damage your vehicle this way j WARNING Do not carry loose objects in your cab it can be PB1317 5229 85 22 01510 812 01 PART 7 STARTING amp OPERATING THE VEHICLE Clutch Travel CAUTION Always use first gear or a low speed range to A start the vehicle in motion The use of a higher gear or speed range forces undue strain on the engine clutch other transmission components and may cause damage To put your vehicle into motion push down on the clutch pedal until the clutch brake makes contact This contact will occur at about 1 2 inch to 1 inch from the end of pedal stroke Select a gear low enough to let your vehicle start forward with the throttle at idle until the clutch is fully engaged The total stroke of the clutch pedal is about 10 inches The first 1 3 4 to 2 inches is free travel After that is the release stroke the part that fully releases the clutch The last 1 2 to 1 inch engages the clutch brake If your vehicle is new watch the free travel in your clutch care fully for the first few hundred miles As your clutch lining wears and high spots get worn smooth you will
148. nt for year round normal operation This will normally protect your engine from freezing and boil over Note in the chart that 100 antifreeze is no more effective than a 30 mixture will increase the risk of silicate drop out Additionally it may H NOTE Never exceed a 64 36 antifreeze water mix ratio it not increase antifreeze protection and it could decrease it Some Tips about Additives e f you add supplemental coolant additives to your radiator main tain them at the recommended levels Read the label carefully Too much additive could harm your vehicle e Antifreeze solutions containing antileak additives may quickly restrict your water filter If this happens your filter won t work So stay away from antileak additives Don t add rust inhibitors radiator sealants or water pump lubri cants containing soluble oil to the coolant These additives can cause the anticorrosion chemicals not to work Topping Up For a Standard or Low Flow System With the engine cold top up with premixed coolant Add the coolant through the pressure cap neck on the surge tank or recovery bottle The surge tank or recovery bottle is on top of the radiator on the fire wall on the service module or on the front of the cab For the proper level see illustration on next page CAUTION Never install 100 antifreeze for top up cool A ant It could damage your vehicle visible signs of coolant leaks when the engine is cold check fo
149. ntive Maintenance Schedule If your vehicle is equipped with an optional air inlet restriction indicator service the filter elements when the air inlet restriction indicator locks in the extreme Up position Paper ele ments require care and proper handling because they are critical to engine service life Turbocharger When servicing the air intake and exhaust systems on a turbocharged engine check the following If you detect any deficiencies take the vehicle to an authorized dealer for servicing Delay could lead to severe and expensive damage to your vehicle Lubricating System Check the oil lines housing and connec tions Look for leaks damage or deterioration Leaks could mean you have damaged oil lines or oil seals e Manifold With the engine operating check for leaking manifold or flange gaskets e High Frequency Vibration Vibration may indicate turbo rotor imbalance Have your dealer investigate this immediately WARNING Do not operate engine with turbocharger AN intake piping disconnected Working around a turbo charger with the intake piping removed can be danger ous A suction is created when the engine is running This suction could draw your hand or anything else near it into the impeller fan You cold be seriously injured Always keep the intake piping connected when you will be running the engine PB1317 CAT NO 5229 173 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE Exhaust System D
150. olddowns see page 162 Battery box and tray Check the box integrity Clean the drain tube and check for acid X leaks Check condition of all equipment mounted under the box Electrical amp Headlamps Check the aim and adjust as required X lights Warning lights in light Check at the ignition start position to verify bulbs function see X page 53 Turn signal Visual check X Stop lights Visual check X 8 LHVd 39IAH3S AONVNALNIVIN 21 6228 ON 1V2 ZLELGd 10 219 01910 22 Recommended SYSTEM COMPONENT MAINTENANCE TASK Electrical amp Reverse lights Visual check X lights Alternator Check operation and output X Alternator Check tightness of the pulley nut X Alternator Check the tension of the drive belt see page 171 X Alternator Check tightness of the terminal hex nuts X Starter Check torque on hex nuts X ECM connector Check the tightness of the ECM connector X Wheel sensors Check for damaged sensors and connectors and worn or frayed wires X Fuel tank sending unit Check the mounting screws and electrical connections for worn or X damaged wires and connectors Power supply harnesses Check for worn or damaged insulation corroded terminals frayed X engine transmission etc wires and oil or fluid leaks on the connectors or wiring Power supply harnesses Wash to remove excess grease X engine
151. on Measure the ride height from the bottom of the frame rail to the approximate centerline of the rearmost drive axle hub For tandem axles make the vertical measurement at the center line of the suspension see illustration on page 106 For a single axle make the measurement in front of the axle in the area forward of the tires but not past the suspension bracket When at the correct ride height ensure that the height control valve lever is in the neutral position then install either the built in alignment pin or a 1 8 inch 3 mm dowel see page 107 Torque the mounting fasteners to 55 75 Lb in 6 2 8 5 N m Remove the alignment pin or dowel Repeat Steps 2 through 6 above for the RH valve on vehicles with a dual valve system PB1317 CAT NO 5229 108 22 01510 R12 01 PART 7 STARTING amp OPERATING THE VEHICLE Driving With Deflated Air Springs If an air spring is ruptured there will be enough air pressure to drive the vehicle to a safe stop off the highway to investigate the problem ing with deflated air springs Air escaping from the sys tem will lower the air pressure which could cause a spring brake to engage The spring brake may cause your brakes to drag and burn up the linings Don t con tinue to operate in this condition j WARNING Your brakes could fail if you continue driv You can get to a repair facility if you do the following Remove the height control link connec
152. onditions a brake application causes either wheel on the same axle to begin skidding wheel speed sensors immediately signal the anti lock controller in the modulator assembly The controller responds instantly by signaling the solenoids in the modulator which activate the air valves reducing application pressure as needed to prevent the wheels from locking up If this over riding correction is effective application pressure is allowed to build up to the original input Any malfunction of the anti lock system on one or more axles will cause the system to fail safe and the panel mounted amber warning light will come on indicating both a malfunction and automatic shut down of the system If the air system is intact indicated by the pres sure gauges the service brakes will continue to function normally but without benefit of the anti lock feature PB1317 NO 5229 174 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE with a malfunction in either circuit the vehicle should not be operated until the system is repaired and both braking circuits including all pneumatic and mechanical compo nents are working properly j WARNING Although the brakes will continue to operate CAUTION Do not attempt to recycle the anti lock system A until the vehicle has been brought to a full stop for approximately 4 seconds this will cause the anti lock con troller for that axle to go into the fail safe mode and the warning lig
153. onditions the tem perature should have cooled by this time If it has not stop the engine and let it cool before checking to see if the coolant is low PB1317 5229 52 22 01510 812 01 PART 4 CONTROLS AND DISPLAYS Fuel Gauge WARNING Do not remove a fuel tank cap near an open N flame Hot fuel vapors are combustible and can cause an explosion or fire resulting in injury or death The fuel gauge shows the approximate amount of fuel in the fuel tanks Besides empty and full the gauge also indicates 1 4 1 2 and 3 4 of total capacity You will want to keep your fuel tanks at least half full to reduce condensation of moisture in the tanks This moisture can damage your engine vehicle is dangerous Full or empty they may leak explode and cause or feed a fire Don t carry extra fuel containers even empty ones j WARNING Carrying additional fuel containers in your Warning Lights and Buzzers lead to an accident These signals tell you something is wrong With your vehicle It could be a failure in an important system such as your brakes Never ignore a warning signal Have the appropriate system checked right away WARNING Ignoring a warning light or buzzer could LOAD LIGHT CRUISE CONTROL SPOT LIGHT MIRROR HEAT ENGINE FAN e LE Ie HIGH BEAN D FIETH WHEEL
154. or CAUTION If a collision causes the airbag to deploy the Vehicle Operation or Modification The SRS sensing unit installed in your vehicle is calibrated for a spe cific cab and sleeper combination vehicle and designated for on high way operation service Any change from the vehicle s original cab and sleeper combination or operation can cause the airbag not to perform or function properly as originally designed If your vehicle was built with a sleeper unit the sleeper unit must not be removed If it is nec essary to remove the sleeper and operate the vehicle the SRS sys tem must be deactivated by an authorized Peterbilt dealer PB1317 NO 5229 75 22 01510 R12 01 PART 6 DRIVER S CHECKLIST To keep your vehicle in top shape and to maintain its high level of safety for you your passengers and your load make a thorough inspection every day before you drive You ll save maintenance time later and the safety checks could help prevent a serious accident Please remember too that Federal law requires a pre trip inspection and so do commercial trucking companies For more information you can refer to Federal Motor Carrier Safety Regulation 392 7 which tells you that interstate commercial motor vehicles are not to be driven unless the driver is sure that certain parts and accessories are in working order You aren t expected to become a professional mechanic The pur pose of your inspections is to find any
155. or an operating engine at nor mal temperature coolant should be even with the radiator cap seal PB1317 CAT NO 5229 161 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE Electrical electrical system or power distribution box All electrical repairs should be performed by a qualified service techni cian Improper repair or modifications will void your war ranty and or cause serious damage to your vehicle i CAUTION Do not modify or improperly repair the vehicle s Battery Care Regular attention to the charging system will help prolong the service life of your batteries Here are some common causes of battery fail ure Overcharge This condition may result from improper voltage regu lator adjustment It results in overheating of the battery warped plates and evaporation of electrolyte e Undercharge Your voltage regulator may be malfunctioning or is improperly adjusted the drive belt is slipping or your vehicle has undergone long periods of standing idle or short distance driving These conditions result in battery plates becoming covered with a hard coating e Vibration Loose battery hold downs may cause battery plate failure Short Circuits These discharge a battery by draining electricity Dirty or Loose Connections Bad connections may stop the flow of electrical power to and from the battery Recharging Batteries Except for using small trickle chargers to maintain battery condition
156. or has no control over the engine rpm when it is being driven by the vehicle s transmission for example on steep downgrades Apply service brakes or shift to a higher gear Fuel economy and engine performance is also directly related to driv ing habits The best results in trip time and fuel economy are obtained while driving the vehicle at a steady speed Shift into higher or lower gears or apply the service brake to keep engine rpm near the lower end of the optimum operating range e Avoid rapid acceleration and braking PB1317 5229 111 22 01510 812 01 PART 8 MAINTENANCE AND SERVICE Preventive Maintenance Schedule Your preventive maintenance program begins with the daily checks you perform See PART 6 DRIVER S CHECKLIST for these If you check your Peterbilt vehicle regularly you can avoid many large expensive and time consuming repairs Your vehicle will operate bet ter be safer and last longer Neglect of recommended maintenance may in some cases void your vehicle s warranty So for your safety and the life of your vehicle please follow the Maintenance Schedule Remember there may be maintenance operations that demand skills and equipment you don t have If so please take your vehicle to an expert mechanic for your safety and your vehicle s safety work without sufficient training and the proper tools You could be injured or you could make your vehicle unsafe Do only those ma
157. ose belt on the previous page Komfort Lok 3 When the slack is right flip the latch cover up cinching it into place This locks the Komfort Lok 4 To release the Komfort Lok latch reach up and pull the latch cover open down or simply pull down on the shoulder belt 5 When you want to get out of the cab release the latch then just push the button on the buckle PB1317 CAT NO 5229 66 22 01510 12 01 PART 5 SEAT AND RESTRAINT SYSTEMS Pregnant Women Sometimes pregnant women worry that in a crash the seat belt could hurt the baby But if a woman wears her belt prop erly low over her pelvis below her abdomen the belt won t harm the baby even in a crash And remember the best way to keep an unborn baby safe is to keep the mother safe Sleeper Bunk Restraints If your cab is equipped with a sleeper be sure to use the restraint device You may have belts which either are over the bunk or cover the opening Of course you do not need to use a restraint if you sleep in a parked vehicle But anyone using the sleeper while the truck is in motion should be restrained in a safety device You will notice that if your Peterbilt has an upper bunk it has no restraint device This is because no one should ever be in an upper bunk when the vehicle is moving WARNING AN In an accident an unrestrained person lying a sleeper bunk could be seriously injured He or she could be thrown f
158. our vehi cle And you might receive an injury too For example CAUTION Continuing to operate a vehicle with insuf ficient oil pressure will cause serious engine damage A qe Gives you information we feel you d like to have It could have to do with care of your vehicle or with driving more efficiently and warp the valve plates or cause a hydraulic lock Warm H NOTE A cold compressor can cause refrigerant to liquefy the engine before starting the air conditioner Please take the time to read these messages when you see them And remember WARNING Something that could injure you seriously CAUTION Something that could cause injury to you or your vehicle NOTE Useful information PB1317 CAT NO 5229 d 22 01510 R12 01 PART 1 INTRODUCTION Vehicle Safety Make sure your Peterbilt is in top working condition before heading out on the road it is the responsible driver s duty to do so Inspect the vehicle according to PART 6 DRIVER S CHECKLIST j WARNING Do not drink and drive Your reflexes percep tions and judgment can be affected by even a small amount of alcohol You could have a serious or even fatal accident if you drive after drinking Please do not drink and drive or ride with a driver who has been drinking tions will seriously impair perception reactions and driv ing ability These circumstances can substantially increase the risk of an accident and personal injury j WARNING The
159. pened respectively by the bunk gas springs The amount of assistance and dampening will vary with sleeper temperature these amounts are reduced in colder tempera tures and increased in warmer temperatures 1 Unlatch the bunk up belt see previous illustration and pull the bunk forward The bunk will swing down and come to rest in a hor izontal position Latch the bunk in the down position Ensure the bunk latch engages If the bunk latch doesn t properly engage the down stop bracket hoop as shown below or if there is too much play between latch amp hoop have the latch adjusted by a Peterbilt dealer 3 Attach the bunk restraint end buckles to the bunk restraint tongues PB1317 5229 60 22 01510 912 01 PART 4 CONTROLS AND DISPLAYS The UltraSleeper bunk restraint is attached to the sleeper in three locations see illustration below The bunk front Access to the bunk is easiest when one or both of the bunk restraint buckle ends are detatched from the bunk restraint tongues e The roofbow The roofbow mounted tether straps are adjustable so that the restraint may be tightened up when fully deployed The upper rear wall The restraint is attached to the upper rear wall by two removeable mounting bolts 58 Roofbow 9 Upper Rear Wall PB1317 CAT NO 5229 61 22 01510 R12 01 PART 4 CONTROLS AND DISPLAYS
160. ply Valve The red octagon knob controls the air supply to the trailer To supply air to the trailer system and release the trailer parking brakes Allow the tractor air system pressure to build up to operating level Push the red knob in Hold the red knob by hand until the trailer air pressure builds to a pre set level about 45 psi At this point it will remain in The yellow knob will remain out the tractor will remain parked If you ever have a failure or disconnect of the air supply hose to the trailer the trailer parking brakes will set The red knob will automatically pop out and seal off the tractor air reservoirs to protect the tractor air sys tem pressure When operating the tractor bobtail The red knob must remain out to protect the tractor air system pressure Manually Releasing Spring Brakes You may sometime have to release your vehicle s spring brakes by hand to allow the vehicle to be towed This could happen if the sys tem air pressure doesn t reach operating pressure because your engine or compressor is not working properly You will have to release the spring brakes at the spring brake chambers brakes have been released manually Driving a vehicle that has had its spring brakes manually released is extremely dangerous You would probably have no brakes at all You could have a serious or fatal accident j WARNING Do not operate a vehicle when the spring cured vehicle could lead to an a
161. r forming safety checks and basic preventive maintenance inspections We have tried to present the information you ll need to learn about your vehicle s functions controls and operation and to present it as clearly as possible We hope you ll find this manual easy to use Please remember though this manual is not a training manual It can t tell you everything you need to know about driving your Peterbilt vehicle For that you need a good training program or truck driving school If you have not been trained get the proper training before you drive Only qualified drivers should drive this vehicle There will be times when you need to take this manual out of your Peterbilt When you do please be sure to return it to the cab when you are finished using it That way it will be there when you need it the next time or when you pass the vehicle on to the next user How to Find What You Want There are several tools built into this manual to help you find what you need quickly and easily First is the Quick Table of Contents Located at the front of the manual this lists the main subjects covered and gives page numbers where you can find these subjects Use the Quick Table of Contents to find information on a large subject like Maintenance Cross referenced citations also help you get the information you need If some other part of the manual contains further information on the subject you are reading about we ll indicate that in a
162. r the cab or sleeper Entry of carbon monoxide into the cab is also possible from other vehicles nearby Failure to properly maintain your vehicle could cause carbon monoxide to enter the cab sleeper and causes serious illness j WARNING Exhaust fumes from the engine contain carbon time if you sense that exhaust fumes are entering the cab or sleeper Investigate the cause of the fumes and correct it as soon as possible If the vehicle must be driven under these conditions drive only with the windows slightly open Failure to repair the source of the exhaust fumes may lead to personal harm CAUTION Never idle your vehicle for prolonged periods of sleeper ventilation system properly maintained It is recommended that the vehicle s exhaust system and cab sleeper be inspected e Byacompetent technician every 15 000 miles e Whenever a change is noticed in the sound of the exhaust system e Whenever the exhaust system underbody cab or sleeper is damaged H NOTE Keep the engine exhaust system and the vehicle s cab idling for more than 10 minutes with the vehicle s Heater and A C ventilation system in RECIRC or at LOW FAN SPEED Even with the ventilation system On running the engine while parked or stopped for prolonged periods of time is not recommended mn NOTE Do not stay in the vehicle with the engine running or NOTE If other vehicles are parked next to you idling move your vehicle or do not stay in your vehicle for prolon
163. r leaks with the engine operating at normal operating tem perature H NOTE If frequent topping up is necessary and there are no Refilling Your Radiator 1 Be sure the radiator and engine block drains are closed 2 Move the heater control to maximum heat position PB1317 CAT NO 5229 160 22 01510 R12 01 3 PART 8 MAINTENANCE AND SERVICE Remove the surge tank pressure cap Pressure Cap Level Surge Tank 4 Ci Through the surge tank fill the system with premixed coolant Pour it in a steady flow until the radiator is full Start the engine Idle at low RPM Complete the filling Do it as quickly as possible Idle the engine until it reaches normal operating temperature Fill the radiator as necessary to raise the coolant level to the proper Replace the surge tank pressure cap Check the coolant level after each trip when the engine has cooled Add coolant as necessary You may find your coolant level is not up to the correct level soon after you have filled the radiator This may be because all the trapped air in the system has not yet been purged It takes a little time for all the air to leave the system after you fill your radiator result in overflow loss of antifreeze and reduced corrosion H NOTE Do not overfill a cooling system Excess coolant may protection For a cold engine the proper coolant level is 1 in below the radiator cap seal F
164. rating level the spring brakes will apply automatically bringing your vehicle to a stop WARNING On trailers built before March 1975 you may AN not have parking brakes if the trailer reservoir pressure leaks down If you depend on them to hold your vehicle they could release causing a serious accident These older trailers have emergency brakes not designed for parking They will apply only if there is enough trailer reservoir pressure Don t use your trailer emergency brakes for parking Apply your tractor parking valve too RED YELLOW 5290 Red Yellow Controls PB1317 CAT 5229 97 22 01510 R12 01 PART 7 STARTING amp OPERATING THE VEHICLE ing brake The truck could roll and cause an injury acci dent Always apply the parking brake before you leave the cab j WARNING Do not leave the cab without applying the park WARNING Stopping with the parking brake controls can cause a sudden wheel lock up loss of control or can cause you to be overtaken by following vehicles You could be severely injured Never pull out the park ing brake valve while the vehicle is moving brakes to park and hold an unattended vehicle use the parking brakes Because service brakes work with air pres sure these brakes could slowly release Your vehicle could roll causing a serious accident Someone could be hurt or killed Never rely on the service brakes to hold a parked vehicle WARNING Never drive
165. re If you have manual slack adjusters e Adjust the slack adjuster until the brake is tight e Then back off two or three clicks until the shoes are just free You can determine this by spinning the wheel or tapping on the drum and listening for a clear ringing sound Normal pushrod travel is about 1 to 1 3 8 inch front and rear after brakes have been properly adjusted 1 1 3n 8 Applied Position 02945 Correct Pushrod Travel If you have automatic slack adjusters Constant manual adjustment of automatic slack adjusters can shorten the life of your internal clutch If proper stroke cannot be maintained replace the slack adjuster Operational Checks of Automatic Slack Adjusters e Measure brake chamber stroke with the spring brake released and the air pressure at 100 psi 690 kPa minimum Correctly installed and functioning auto slack will produce the following strokes PB1317 CAT NO 5229 145 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE Type 36 chamber rear brakes should have a 1 1 2 inch to 2 1 4 inch 38 mm to 57 mm stroke Type 30 chamber rear brakes should have a 1 1 2 inch to 2 inch 88 mm to 51 mm stroke Type 16 20 amp 24 chambers front brakes should have a 1 inch to 1 3 4 inch 25 4 mm to 44 4 mm stroke e Ifthe stroke exceeds the above specifications check to verify that the slack adjuster is working With the air system at 100 psi 690 kPa or more apply the
166. ress accelerator to increase engine and gear speed to the RPM required in the lower gear Use the tachometer to determine optimum RPM for gear engagement 4 Now quickly press the pedal to disengage the clutch Move the gear shift lever to the next gear speed position 5 Release the pedal to engage the clutch Interaxle Differential On vehicles with tandem rear axles the interaxle differential allows each axle to turn independently Differential action between the tan dems relieves stress on the rear axles and tires and provides better performance PB1317 CAT 5229 87 22 01510 R12 01 PART 7 STARTING amp OPERATING THE VEHICLE When operating normally on paved dry surfaces keep your truck s interaxle differential in the UNLOCK position SHIFT AT ANY SPEED EXCEPT IF A WHEEL IS SPINNING Switch In Unlock Position In the LOCK position continuous operation on a paved dry surface stresses the tandem axles possibly causing internal damage to them Shift into the LOCK position to operate on slippery surfaces like Ice or snow with or without tire chains e Dirt roads Loose sand mud or other off road conditions Switch into LOCK when checking performance on a chassis dyna mometer WARNING Do not put the differential lock in the LOCK N position while the wheels are spinning freely slipping you could lose control of the vehicle or cause axle dam age you could be injured Switch
167. retarding e f you have the two mode system you can select HIGH or LOW In conventional models with Eaton transmissions the engine brake switch may be located on the shift control knob see illustration j WARNING Using the engine brake when operating on For more information on when and how to use the engine brake in your vehicle see the engine brake manufacturer s owner s manual that is included with your vehicle PB1317 5229 37 22 01510 912 01 PART 4 CONTROLS AND DISPLAYS Interaxle Differential Lock Switch position while your wheels are spinning could cause loss of control or axle damage You could be hurt Switch to LOCK only when your wheels are not spin ning j WARNING Placing the differential lock in the LOCK SHIFT AT ANY SPEED EXCEPT IF A WHEEL IS SPINNING 02905 The interaxle differential allows differential action between the for ward rear and the rear rear driving axles The interaxle differential lock switch allows the operator to LOCK or UNLOCK the differential The guard over this switch prevents you from accidentally activating the lock See Interaxle Differential on page 87 for more information on using your interaxle differential Two Speed Rear Axle Range Switch RANGE SELECTOR If your vehicle is equipped with a two speed rear axle you can select the axle range by the dash mounted switch shown above The low range provides ma
168. ricants and maintain the correct oil levels in Spicer units This will ensure proper lubrication and operating temperatures in these units Recommended Lubricants The lubricants listed below are recommended in order of preference for use in all Spicer mechanical transmissions auxiliaries and trans fer cases Do not use extreme pressure additives such as those found in multipurpose or rear axle type lubricants These additives are not required in Spicer transmissions and may in some cases create transmission problems Multipurpose oils as a group have relatively poor oxidation stability a high rate of sludge formation and a greater tendency to react with or corrode the steel and bronze parts Type Grade Ambient SAE Temperature Heavy Duty Engine Oil MIL L 2104D 30 40 or 50 Above 0 F or MIL L 46152B API SF or API CD 18 C MIL L 2104B or C or MIL L 46152 30 Below 0 F designations are acceptable 18 C 90 Above 0 F Mineral gear oil 18 C R amp O type API GL 1 80 Below 0 F 18 C Synthetic Engine Oil meeting CD50 All MIL L 2104D or MIL L 46152B CD30 API SF or API CD Synthetic Gear Oil Meeting EP75W90 All MIL 2105C or API GL5 EP75W140 EP Gear Oils are not recommended when lubricant operating temperatures are above 230 F 110 C PB1317 CAT NO 5229 136 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE Oil Changes not be intermixed because of po
169. rip Odometer 48 Warning Lights and Buzzers COE 54 Conventional 53 Water Temperature Gauge 51 Glove Compartment 47 GVWR gross vehicle weight rating 154 H Heater and air conditioner 45 Hood Tilting 9 PB1317 CAT NO 5229 188 22 01510 R12 01 amp PART 11 SUBJECT INDEX J Jumper cables 165 K Keys 6 Keys and Locks Ignition Switch 25 L Lubrication Axle 139 140 coasting 110 Steering Gear 142 Transmission 134 138 types and brands 131 Universal Joint 141 Wheel Bearing 141 Lubrication Index 132 Luggage Compartment s 58 M Maintenance Schedule 112 Mirrors 57 N Noise Control System 179 P Parking brake brake system operation 91 98 use 112 R Restraint Systems 63 Airbag System 72 Inspection 69 Komfort Lok amp Feature 66 Shoulder Belt 64 Sleeper Bunk Restraints 67 Tether Belts 68 S Safe vehicle operation 76 Safety precautions maintenance 112 Safety stands 112 Seat 63 Seat adjustment 63 Servicing Specific Systems 142 Air Intake System 173 Air System 156 Anti lock Braking System ABS 174 Brake Adjustment 143 Cab Heater Air Conditioner 175 Electrical 162 Engine Accessories 171 Engine Cooling System 159 Frame Fastener Torque Specifications 169 Steering 168 Tires Wheels And Rims 146 Transmission And Drive Train 158 PB1317 CAT NO 5229 189 22 01510 R12 01 PART 11 SUBJECT INDEX Shifting gears 110 111 Standard Capscrew Torque Specifications 170 Starting and Operating 80 Ant
170. rom the bunk Be sure anyone occupying the sleeper is restrained while a vehicle is moving Be sure that no one ever rides in the upper bunk That person would be thrown out in an accident and could be very seriously injured Passengers Anyone riding in your vehicle should wear a seat belt The responsi ble operator sees to it that everyone in the vehicle rides safely and that means with a seat belt PB1317 5229 67 22 01510 912 01 PART 5 SEAT AND RESTRAINT SYSTEMS Some Other Safety Restraint Tips Don t wear belts over rigid or breakable objects in or on your cloth ing Such things might be eyeglasses pens keys etc These could cause injury in an accident e Damaged belts in the cab or sleeper must be replaced Belts that have been stretched cut or worn out may not protect you in an accident Avoid catching belts in the doors or seat hardware They could be damaged e Don t modify or disassemble the seat belts in your vehicle They won t be available to keep you and your passengers safe e Never bleach or dye seat belts chemicals can weaken them Do however keep them clean by following the care label on the belts Let them dry completely before allowing them to retract e f any seat belt is not working properly see an authorized Peterbilt dealer for repair or replacement Tether Belts Tether belts are installed on suspension seats They help secure the seat to the floor to restr
171. roove and that the outside edge of the belt does not stick out more than 1 16 in 1 5 mm beyond the outside edge of the pulley Belt Tension NOTE Engines equipped with poly vee belts are equipped n with tensioners and therefore require no belt adjustments Alternator drive belts all widths new or used should be adjusted to 105 125 pounds 467 566 N of tension PB1317 CAT NO 5229 171 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE The best method of testing belt tension is to apply a good quality commercial gauge f a tension gauge is not available use this method of testing e Apply 25 pounds 111 N of force midway between the pulleys e Deflection should be one belt thickness for each foot of distance between the pulley centers Tension Test Retensioning New Belts A belt is considered used after 30 minutes of operation New belts will loosen after running for an hour or more Check for proper tension after the first period of operation If the belt can be deflected 1 8 in 3 mm more than specified above tighten according to the section above on belt tension Do not tighten belts beyond specified limits Damage to bearings and the belts may occur Fan Clutch Fan warning and can hurt you badly Stay away from the fan when the engine is running To Check Your Fan 1 Check the fan assembly mounting bolts for tightness Inspect the blades for damage 2 Check the clutch operation by
172. s cylinder liners turbocharger and bearings This way you can prevent serious engine damage that may result from uneven cooling Turbochargers This cooling down practice is especially important on a turbocharged engine The turbocharger contains bearings and seals that are sub jected to hot exhaust gases While the engine is operating heat is carried away by circulating oil If you stop the engine suddenly after a hard run the temperature of the turbocharger could rise as much as 100 F 55 C above the temperature reached during operation A sudden rise in temperature like this could cause the bearings to seize or the oil seals to loosen Refuel Before the Final Stop Air space in your fuel tanks allows water to condense there To pre vent this condensation while you are stopped fill your tanks to 95 of capacity Final Stop To make sure your vehicle is ready to go after a long stop such as over night please follow the suggestions below Your vehicle will be easier to get going when you are ready and it will be safer for anyone who might be around it Please remember too that in some states it is illegal to leave the engine running and the vehicle unattended Final Stopping Procedures 1 Set the parking brake before leaving the driver s seat To hold your vehicle while it is parked don t rely on Air Brakes Hand Control Valve for Trailer Brakes Engine Compression PB1317 NO 5229 104 22 01510 R12
173. s and odorless gas Car bon monoxide can be fatal if inhaled j WARNING It can be dangerous to attempt maintenance NOTE Suitable wheel chocks are at a minimum an 18 inch 46 cm long 4x4 PB1317 5229 112 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE PREVENTIVE MAINTENANCE PM INTERVALS 1 B C D E At the first 15 000 mi 30 000 60 000 mi 120 000 mi 240 000 mi 15 000 mi 24000km 48 000km 96 000 km 192 000 km 384 000 km 24 000 km or Monthly 6 months Annually at the first PM NOTE Where questions or discrepancies develop between these recommendations and component supplier recommenda tions consult the supplier for specific recommendations Maintenance requirements of specific vocational configura tions will dictate whether the intervals used are determined based on mileage time in service hours operating etc These maintenance practices and intervals are intended as additional requirements and are not to replace in whole or in part the pretrip inspection requirements of the Commer cial Driver s License CDL as established in the Federal Commercial Motor Vehicle Safety Act of 1986 If you operate your vehicle off highway or in very heavy duty applica tions such as mining logging or earth moving you will need to per form maintenance checks and services more frequently The charts on the following pages show the maintenance in
174. se stud assembly S Cam type max imum 50 ft lb Wedge type maximum 30 ft lb The spring brake is now mechani cally released PB1317 CAT NO 5229 101 22 01510 R12 01 PART 7 STARTING amp OPERATING THE VEHICLE dangerous and could cause serious injury These chambers contain a powerful spring that is compressed Sudden release of this spring could cause you to be badly injured Do not disassemble a spring brake cham ber j WARNING Disassembling the spring brake chamber is Retarders Various retarders are available which function against the engine driveline or transmission These are devices that use your engine s power to slow down your vehicle They save wear and tear on your service brakes and can be a safety feature too because they can keep your brakes from overheating Ideally you should always slow your vehicle with your retarder where permitted by law and use your service brakes only for stopping com pletely Operating this way will greatly prolong the life of your brakes WARNING In an emergency the retarder might not stop you fast enough to prevent an accident You could be badly hurt if you relied only on your retarder Use the service brakes for quick stops The retarder is not an emergency brake WARNING The retarder is NOT intended as the primary brake for the vehicle nor is it an emergency brake The retarder only helps the service brakes by using pressure to slow the drivetrain
175. sher charge 2 Check the road emergency kit Is it complete 3 Check the windshield washer fluid level Top up as necessary COE PB1317 NO 5229 77 22 01510 12 01 PART 6 DRIVER S CHECKLIST Checking Outside the Vehicle WARNING N Diesel fuel in the presence of an ignition source such as a cigarette could cause an explosion You could be seri ously injured A mixture of gasoline or alcohol with diesel fuel increases this risk of explosion Use only the fuel recommended for your engine Hot fuel vapors are combustible and can cause an explosion or fire resulting in injury or death Do not remove a fuel tank cap near an open flame 1 Be sure all wheel studs and cap nuts are secure Check wheel cap nut torque weekly refer to the instructions on page 152 2 Check tires for condition and proper inflation 3 Check the front wheel bearing lube level 4 Check parking spring brakes as to the condition and tightness of air lines breathers clamp rings amp bolts mounting studs and release bolts 5 Check turn signal operation 6 Check emergency flashers and exterior lamps 7 Check the fuel tanks Is there enough fuel Are the tank caps secure 8 Visually inspect the fuel tank mounting hardware Are the tank straps tight Is the webbing in place 9 If equipped with fuel tank steps are they damaged or broken Is the grommet windlace in place between the tank and side plate Are bol
176. ss e Draglink clamp for looseness or interference e Ball joints and steering U joints for looseness e Steering wheel for excessive freeplay Check the simplest proba ble causes first Unequal tire pressures Loose cap nuts Bent tierod Loose wheel bearing If these checks do not reveal the problem or if you correct them and still have a steering problem take your truck to an authorized dealer for evaluation Front End Alignment For driving safety and comfort and to prolong the life of your vehicle it is important to have proper front end alignment Check tire wear frequently Uneven tire wear is a sign that your front end or rear axles may be misaligned If you see uneven wear take your vehicle to a service center familiar with aligning front ends on Peterbilt vehicles PB1317 NO 5229 168 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE Rear Axle Alignment Continual road shock and load stresses may force your rear axles out of alignment If you detect rapid tire wear on the rear axles you may have misaligned axles If you suspect you do have your rear axle alignment checked and adjusted by an authorized dealership U Bolt Tension for Front and Rear Axles It is important that U bolts remain tight Off highway use of your vehi cle will cause them to loosen faster But all vehicles need to have their U bolts checked and tightened regularly Be sure someone with the proper training and the right tools ch
177. ssible incompatibility which could decrease the effectiveness of the lubrication or cause component failure CAUTION When adding oil types and brands of oil should An initial oil change and flush should be performed after the transmis sion has been placed in actual service This change should be made any time after 3000 miles 4800 km but never longer than 5000 miles 8000 km of over the road service In off highway use the change should be made after 24 hours but before 100 hours of service have elapsed Refilling Remove all dirt around filler plug Refill with new oil of the grade rec ommended for the existing season and prevailing service Fill to the bottom of the level testing plug positioned on the side of the transmis sion Do not overfill the transmission Overfilling usually results in oil breakdown due to excessive heat and aeration from the churning action of the gears Early breakdown of the oil will result in heavy var nish and sludge deposits that plug up oil ports and build up on the splines and bearings Overflow of oil can also escape onto clutch or parking brakes When adding oil do not mix different types of oil PB1317 CAT NO 5229 137 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE Meritor Transmission Lubrication Lubrication Change and Inspection e An initial oil change and flush should be performed after the trans mission has been in service for 5000 miles 8000 km Referto the M
178. starting the engine when it is cold Then idle it at about 800 RPM Listen for air leaks Check that the fan is not working while the engine is warming When the clutch engages note the reading on the vehicle s panel mounted coolant temperature gauge If the fan clutch engages at low engine tem perature or cycles on and off more frequently than it should receives false signals have the problem corrected at your deal ership PB1317 CAT NO 5229 172 22 01510 R12 01 j WARNING Thermatic fans engage suddenly without PART 8 MAINTENANCE AND SERVICE Air Intake System Engine heat vibration and age combine to loosen air intake connec tions and cause cracks in the tubing and elbows Leaks in the intake system allow abrasive dust to enter the engine and quickly cause expensive damage During your daily walk around inspection care fully check all tubing elbows clamps supports and fasteners for condition and tightness Under normal operating conditions we recommend complete disas sembly and cleaning of the air intake system annually Under severe operating conditions such as heavy off highway use the disassembly and cleaning should be more frequent Replace any defective parts With the possible exception of mounting brackets don t repair defective parts Air Cleaners The following service information is basic to all air cleaner makes and models Service the air cleaner filter elements as specified in the Preve
179. stilled Maintain the full level of electrolyte in the batteries This reduces the volume of gas in the cells The electrolyte level should always be between 0 4 0 6 in 10 15mm above plates Fill with distilled water only After distilled water has been added wait at least a half hour to measure solution density specific gravity The specific gravity should be between 1 258 1 265 or the electrolyte level within MIN and MAX marks e Before attempting any work on the batteries or electrical system remove all jewelry If metal jewelry or other metal comes in contact with electrical circuits a short circuit may occur causing you to be injured plus electrical system failure and damage To avoid short circuits and damage to yourself or the vehicle never place metal tools or jumper cables on the battery or nearby Metal that accidentally comes in contact with the positive battery terminal or any other metal on the vehicle that is in contact with the positive terminal could cause a short circuit or an explosion Keep all batteries away from children positive to and negative to negative to Reversing j WARNING Charger cables must be connected positive to polarity can damage the electrical system Never reverse battery poles e Battery terminals should not be coated with improper grease Use petroleum jelly or commercially available noncorrosive noncon ducting terminal coatings Keep the ba
180. sture in the air brake system by opening reservoirs drain cocks or valves and checking for the presence of water A table spoon of water in a reservoir would point to the need for a desiccant cartridge change However the following should be considered first H NOTE A small amount of oil in the system may be normal e Air usage is exceptionally high abnormal for a highway vehicle This may be due to accessory air demands or some other unusual air requirement that doesn t allow the compressor to load unload in a normal fashion or it may be due to excessive leaks in the air System PB1317 NO 5229 157 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE e When more than a 30 degree F 17 degree C range of tempera ture occurs in one day small amounts of water can accumulate in the air brake system due to condensation Under these conditions the presence of small amounts of moisture is normal and should not be considered as an indication that the dryer is not performing properly e An outside air source may have been used to charge the air sys tem in which case this air did not pass through the drying bed Transmission And Drive Train Clutch Adjustment Clutch pedal free travel is usually 1 3 4 in to 2 in 34 to 51 mm This should be your guide for determining whether your truck needs clutch adjustment Some vehicles have automatic clutch adjustment If yours doesn t have this feature adjustment will have to be don
181. t the system from functioning properly the next time it is needed which could result in severe injury or even death j WARNING Replace the entire belt system retractor and If the inspection indicates that any part of the seat belt system requires replacement the entire system must be replaced both retractor and buckle side An installation guide is attached to every replacement belt This set of instructions is entitled THREE POINT SEAT BELT INSTALLATION GUIDE There are separate seat belt instruction guides for suspension and fixed bench seats Use the proper guide for your type of seat and follow the instructions very closely It is vitally important that all components must be remounted back in the same position as the original components that were removed This will maintain the design integrity of the mounting points for the seat belt assembly Once the need for replacement of the seat belt has been determined be certain that it is only replaced with the recommended replacement seat belt The occupant restraint system has been developed and tested specifically for this vehicle If the vehicle was originally equipped with a lap belt it cannot be replaced with a three point shoulder harness system because the cab mounting points are not structurally designed for a three point seat belt PB1317 CAT NO 5229 71 22 01510 R12 01 PART 5 SEAT AND RESTRAINT SYSTEMS Airbag System General Information WARNING N Al
182. tarting out on the road To warm up the transmission lubricating oil during engine warmup with a single transmission e Check that the transmission is in Neutral e Release the clutch pedal If you have a two transmission combination e Put the main transmission in gear e Putthe auxiliary transmission in Neutral This will allow the trans mission countershaft to turn agitating the oil and warming it Idling the Engine Under most circumstances idling your engine for long periods merely wastes fuel In severe arctic weather conditions however you may need longer idling to be sure all parts of your engine are fully lubricated vehicle damage from overheated engines which can result in a fire never leave the engine idling without an alert driver present If the engine should overheat as indicated by the engine coolant temperature light immediate action is required to correct the condition Continued unattended operation of the engine even for a short time may result in serious engine damage or a fire PB1317 NO 5229 84 22 01510 R12 01 j WARNING To reduce the chance of personal injury and or PART 7 STARTING amp OPERATING THE VEHICLE CAUTION Do not allow your engine to idle at low rpm s 400 600 rpm longer than five minutes Long periods of idling after the engine has reached operating temperatures can decrease engine temperature and cause gummed pis ton rings clogged injectors and possible
183. ted to the axle and to the suspension air valve control arm This will cause the air valve con trol arm to center in the closed position e The air system can then be pumped up to normal pressure for continued operation WARNING Low air pressure could make the brakes N unsafe for driving Before driving the vehicle make sure the pressure does pump up to over 100 psi for nor mal brake operation If the air pressure does not pump up to at least 100 psi don t try to move the vehicle either overinflated or underinflated may cause damage to driveline components If a vehicle must be operated under such conditions do not exceed 5 mph CAUTION Operating a vehicle with air suspension bags PB1317 CAT NO 5229 109 22 01510 R12 01 PART 7 STARTING amp OPERATING THE VEHICLE Driving Tips And Techniques This section covers additional driving tips and techniques on how to drive your Peterbilt more efficiently For further information read the American Trucking Association s ATA Truck Drivers Handbook It will give you more tips on starting shifting and driving your vehicle Coasting tral or with the clutch pedal depressed it is a danger ous practice Without the use of the retarding power of the drivetrain your vehicle can reach dangerous speeds At very high speeds you may not be able to put the transmission in any gear At high speeds you could seriously damage your vehicle or cause an accident when you put the
184. tervals for recom mended maintenance practices NOTES Engine lubricating oil change intervals aren t listed here Refer to your engine s operating manual for recommendations For specific information on maintenance procedures consult your vehicle main tenance manual The initial fill of drive axle lubricant must be changed before the end of the first scheduled maintenance interval Refer to the infor mation on page 137 before you put a new vehicle into service The initial fill of lubricant in manual transmissions must be changed before the end of the first maintenance interval See page 134 for specific information e f your vehicle is equipped with an automatic transmission consult the owner s manual for it that came with your vehicle to obtain lubricant check and change intervals Li PB1317 CAT NO 5229 113 22 01510 R12 01 tvLL 6228 ON 1V2 ZLELGd 10 219 OLSLO ZZ Recommended SYSTEM COMPONENT MAINTENANCE TASK PNL interval Frame Fifth Wheel Check the kingpin lock and plate for wear and function lubricate X NLGI 2 grease Frame Fasteners Check for tightness tighten to the specified torque value as X required see page 170 Crossmembers and Inspect for cracks and loose fasteners Replace or tighten to the X Mounting Brackets specified torque value as required see page 170 Front Axle Steering knuckles thrust Inspect for we
185. the RECIRC mode PB1317 CAT NO 5229 45 22 01510 R12 01 PART 4 CONTROLS AND DISPLAYS 4 Close all windows 5 Idle the engine between 1000 and 1500 RPM and turn the blower speed control to high 6 After the cab temperature cools to a comfortable level adjust the blower speed and controls to keep the desired condition it for at least 15 minutes at least once a month or every 5 000 miles 8 000 Km whichever comes first This will lubricate the seals in the air conditioning system The air conditioning system is active when the Defrost mode is selected H NOTE When the air conditioner isn t in regular use operate Cigarette Lighter 02912 Lighter To operate your lighter push the knob in After a few moments the lighter will automatically pop out ready to use After use insert the knob but don t push it in The lighter circuit is protected by a 20 ampere fuse to prevent damage should the lighter get stuck in the IN position If this fuse needs replacement check to ensure that the lighter is not stuck before replacing the fuse of the cigarette lighter It could result in a fire Follow all warnings and instructions in the operator s manual for the appliance you are using j WARNING Do not exceed the voltage amperage capacity The lighter receptacle may be used to power auxiliary equipment that does not draw more than 20 amperes maximum Ashtray an ashtray could cause a fire Keep all
186. the airbag system deploys or not The driver airbag module is used as a supplement to the seat belt restraint system The function of the airbag is to inflate at a precise calibrated vehicle deceleration level typically found in higher speed frontal impacts to provide supplemental protection for the driver In collisions where the airbag does deploy the seat belt is needed to help keep the driver in the correct position for the airbag to provide proper protection The ignition must be on for the airbag to deploy PB1317 CAT NO 5229 73 22 01510 R12 01 PART 5 SEAT AND RESTRAINT SYSTEMS Sensor Control Unit The sensor control unit is mounted on the floor of the vehicle behind the driver seat It detects the rate of deceleration and monitors sys tem function The control unit has a single point electronic crash sen sor The sensor monitors the crash direction and severity of the impact When the crash sensor detects an impact severe enough to require the airbag it activates the inflator A non toxic argon gas is released to inflate the airbag cushion at the proper time The airbag module trim cover rotates out of the way from the force of the inflating bag as the cushion reaches full size The cushion inflates then deflates by venting the argon gas through the airbag fabric All this occurs in approximately one second Airbag SRS System Warning Light stays on doesn t come on when you start your d vehicle or comes on wh
187. thing that might interfere with the safe and efficient transportation of yourself and your load If you do find something wrong and can t fix it yourself please have a quali fied mechanic fix it right away Safe Vehicle Operation For your safety as well as those around you be a responsible driver e f you drink do not drive Do not drive if you are tired ill or under emotional stress Much has gone into the manufacturing of your Peterbilt including advanced engineering techniques rigid quality control and demand ing inspections These manufacturing processes will be enhanced by you the safe driver who observes the following knows amp understands how to operate a vehicle and all its controls maintains the vehicle properly uses driving skills wisely tions and judgment can be affected by even a small amount of alcohol You could have a serious or even fatal accident if you drive after drinking Please do not drink and drive or ride with a driver who has been drinking The use of alcohol drugs and certain medications will seri ously impair perception reactions and driving ability These circumstances can substantially increase the risk of an accident and personal injury j WARNING Do not drink and drive Your reflexes percep PB1317 CAT NO 5229 76 22 01510 R12 01 PART 6 DRIVER S CHECKLIST The daily checks listed below are the foundation of your overall pre ventive maintenance progr
188. three point seat systems in passenger cars may seem very similar to the three point seat belt system in heavy duty vehicles but there are some key differences that all users of this system should be aware of e In typical passenger vehicle automotive seat belt applications the normal life of the vehicles is usually 8 to 10 years and the total mileage frequently does not exceed 125 000 miles 200 000 km Heavy duty vehicles often see this type of mileage in a very short period of time and accumulation of mileage in excess of 500 000 miles 800 000 km during the vehicle lifetime is not unusual Asignificant difference in the two systems is the amount of move ment of webbing in the system In an automotive application there is little movement of the seat belt system except when the user puts on or takes off the belt In trucks however there is almost constant movement of the belt through hardware due to ride characteristics and seats which are designed to move in order to enhance driver comfort There can even be movement of the webbing in the seat belt system when the belt in not being used Relative movement between the seat and the cab which normally occurs whenever the truck is in operation can cause wear of the seat belt webbing e Environmental conditions represent another major difference in the systems in automobiles and heavy duty and specialty vehicles Unlike the automotive environment heavy duty and specialty vehi cles m
189. tput and fast defrosting can be obtained only after the engine has reached operating temperature CAUTION During extreme cold weather do not blow hot defroster air onto cold windshields This could crack the glass Turn the air flow control lever to Defrost and adjust the fan speed accordingly while the engine warms If the engine is already warm move the temperature selector to Cool then gradually increase the temperature when you see that the windshield is starting to warm up To defog the windshield select the Defrost mode and turn the blower speed to high Set the temperature knob to hot the red position on the control The air conditioner is automatically acti vated to remove moisture from the cab After the windshield is clear adjust the mode blower speed and temperature to your comfort To cool the cab turn on the A C switch set the temperature knob to cool the blue position on the control and the blower to high until the cab becomes cool Then you can turn down the blower if you wish For Efficient Cooling 1 Be sure all heater air conditioner controls are off 2 Start the engine Allow time for warm up CAUTION A cold compressor can cause refrigerant to liquefy and warp the valve plates or cause a hydraulic lock Warm the engine before starting the air conditioner To avoid damage to the compressor amp blower motors turn off all controls when a system is not in use 3 Set the air control in
190. tractor is operating without a trailer or pulling a flatbed With all other trailers you adjust the VARA SHIELD to its best angle by noticing the lower manifold boost pressure at cruise as indicated by the manifold pressure gauge or the reduction in road dirt deposited on the front of the trailer j WARNING You could fall and be badly injured by trying Parking Brake Valve and Trailer Air Supply Valve 02908 Single Valve Your parking brake valve is a yellow diamond shaped knob located on the right hand control panel of conventional cab models and on PB1317 NO 5229 40 22 01510 R12 01 PART 4 CONTROLS AND DISPLAYS the console panel of COE models It controls the parking brakes for straight truck or tractor trailer combinations YELLOW 02909 can cause a sudden wheel lock up loss of control or can cause you to be overtaken by following vehicles You could be severely injured Never pull out the park ing brake valve while the vehicle is moving j WARNING Stopping with the parking brake controls To apply all parking brakes pull the yellow or parking brake knob out The truck or tractor parking brakes will set and the Trailer Air Supply Valve red octagon knob will automatically trip out and set the trailer parking brakes To release both truck tractor and trailer parking brakes push in BOTH yellow and red knobs For full informa tion on using parking brakes see the In
191. trol caused noise emissions to exceed Federal standards are covered by this warranty for the life of the vehicle Tampering with Noise Control System Prohibited Federal law prohibits the following acts or the causing thereof 1 The removal or rendering inoperative by any person other than for maintenance repair or replacement of any device or element of design incorporated into any new vehicle for the purpose of noise control prior to its sale or delivery to the ultimate purchaser or while it is in use or 2 the operation of the vehicle after such device or ele ment of design has been removed or rendered inoperative by any per son Among those acts presumed to constitute tampering are Noise Insulating Blankets e Removing noise insulators from engine block or from around the oil pan Cutting holes in or cutting away part of noise insulators e Removing hood mounted noise insulation Engine Electronic Control Unit ECU Modifying ECU parameters Engine Cooling System e Removing or rendering inoperative the fan clutch e Removing the fan shroud Air Intake System e Removing or rendering inoperative the air cleaner silencers or intake piping PB1317 CAT NO 5229 179 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE Exhaust System e Removing or rendering inoperative the exhaust system compo nents e Inner Fender Shields and Cab Skirts Removing shields or skirts Cutting away parts of
192. ts missing or loose 10 Check the air cleaner and muffler s Are they tight and secure 11 Check the trailer connections Are they secure and the lines clear If they are not being used are they stored properly 12 Is the trailer spare wheel secure Inflated 13 15 the landing gear up and the handle secured 14 Check the 5th wheel Is the kingpin locked 15 Is the sliding 5th wheel locked 16 Check for loose or missing suspension fasteners 17 Check springs or other suspension parts for damage such as cracks gouges distortions bulges or chafing 18 Check the air system Are there leaks PB1317 CAT NO 5229 78 22 01510 R12 01 PART 6 DRIVER S CHECKLIST 19 Drain excess moisture from all air supply tanks Make sure the drain cocks are closed This procedure is also required for air sup ply tanks equipped with automatic drain valves 20 Check that cab latch or hood hold downs are hooked In Cab Checklist cab keep your feet in contact with the steps and your hands on the handhold Always have three points of contact as you enter or exit a cab See PAHT 2 GET TING INTO AND OUT OF THE CAB AND FRAME ACCESS of this manual for more information 1 Adjust the seats 2 Fasten and adjust safety restraint belts See PART 5 SEAT AND RESTRAINT SYSTEMS or the Index under Restraint Systems 63 3 Sleeper Restraints Check and inspect condition See PART 5 SEAT AND RESTRAINT SYSTEMS or the Index under Restra
193. ttach the safety cable to keep a hood open any time anyone gets under a hood for any reason To attach the safety cable The cable is on the driver s side of the radiator Attach it to the hook on the hood COE Cab Tilt System If you have a COE type of vehicle your cab tilts forward for mainte nance on the engine and other components An independent hydrau lic system raises and lowers the cab And a positive dual locking device increases safety and reduces the danger of mishaps while you are driving unsecured cab could cause a serious or fatal accident The cab could fall and crush you Always make sure the mechanical lock is fully engaged before getting under the cab or before letting anyone else get under it See below for instructions on using the mechanical lock j WARNING Getting any part of your body under an Mechanical Lock PB1317 CAT NO 5229 10 22 01510 R12 01 PART 3 GETTING TO YOUR ENGINE cab sleeper or luggage compartment can cause seri ous damage to the cab tilting mechanism and cab Before tilting the cab remove heavy items such as tire chains and tools Remove or stow securely any loose items And shut the doors tightly Cab tilting instructions are labeled and installed on the base of the passenger seat in your cab CAUTION Raising the cab with heavy objects in the you do not follow safety precautions Whenever you raise or lower the cab or when you work under the cab p
194. ttery clean and dry PB1317 NO 5229 163 22 01510 R12 01 PART 8 MAINTENANCE AND SERVICE Look for any signs of damage e Battery acid that may spill during charging should be washed off with a solution of warm water and baking soda to neutralize the acid If you accidentally get acid in your eyes or on your skin imme diately rinse with cold water for several minutes and call a doctor Do not charge a frozen battery allow it to thaw out first And always allow the battery to thaw gradually do not apply direct heat Gas trapped in the ice may cause an explosion e Never attempt to place the vehicle in motion or run the engine with batteries disconnected When fast charging remove the battery caps so pressure doesn t accumulate e Never use a fast charger as a booster to start the engine This can seriously damage sensitive electronic components such as relays radio etc as well as the battery charger Fast charging a battery is dangerous and should only be attempted by a competent mechanic with the proper equipment Slow Battery Charging charger It is not necessary to remove the battery from the H NOTE Follow the instructions that come with your battery compartment 1 Make sure the electrolyte level in each cell is between the MIN and MAX marks If the fluid level is below the MIN mark correct the condition 2 Disconnect the battery cables 3 Connect charger cables 4 Start
195. ur vehicle is equipped with a digital message center DMC the DMC display will come on in the Clock mode engine is running The starter and flywheel gears could CAUTION Never operate the starter motor while the clash or jam severely damaging them Check the Engine Operation and Maintenance Manual for H NOTE Some starters are equipped with overcrank protection details 5 Press the starter button If the engine does not start within 30 seconds release the starter but ton To avoid overtaxing the starter motor or the batteries don t use the starter for more than 30 seconds Let the starter motor cool and the batteries recover for two minutes before trying again If the engine still won t start after a couple of tries check the manual override shutdown valve and fuel lines for possible fuel starvation or air leaks Starting failure may mean fuel isn t reaching the injectors 6 As soon as the engine starts begin to watch the oil pressure gauge Check your engine manufacturer s manual for the right pressure for your engine If the oil pressure doesn t rise within a few seconds stop the engine Find out what is wrong before restarting the engine 7 Slowly engage release the clutch after the engine has started PB1317 CAT 5229 80 22 01510 R12 01 PART 7 STARTING amp OPERATING THE VEHICLE 8 Wait until normal engine oil pressure registers on the gauge before idling or accelerating the engine b
196. us injury Keep hands and feet out from under the cab if it must be raised to re engage the cab latches Guide the cab from the outer surfaces only 5 Return the control valve handle to the Lock Center position for normal operation CAUTION Do not continue to operate the pump after the cab is in the full Down position Additional pumping could cause structural damage to the cab Driving with the cab tilt lock unsecured can damage your vehicle Check daily to be sure the lock is closed securely j WARNING Placing any part of your body between the cylinders refer to the maintenance manual for repair instruc Hn NOTE In case of oil loss in the system or a lock up in the tilt tions PB1317 CAT NO 5229 15 22 01510 R12 01 PART 4 CONTROLS AND DISPLAYS Your Instrument Panel This part explains the location of the various features on your vehicle and describes their function For information on using these features in driving see the paragraphs below Please remember that each Peterbilt is custom made Your instrument panel may not look exactly like the one in the pictures below We have tried to describe all the most common features and controls available You can pick out the parts that apply to you and read them to be fully informed on how your particular vehicle operates Typical Conventional Cab Instruments and Controls
197. vide maximum braking force without locking the wheels Use engine compression to assist the service brakes i e don t depress the clutch pedal until the engine reaches idle speed PB1317 5229 96 22 01510 912 01 PART 7 STARTING amp OPERATING THE VEHICLE Overheated Brakes Under normal braking conditions the energy generated will bring the internal brake drum temperature to about 500 F 260 C This is well within the safe zone The maximum safe temperature of linings for drum type brakes is usually about 800 F 427 C But if service brakes are used improperly or for prolonged periods internal brake drum temperatures may commonly exceed 800 F 427 C Such brake overheating may be detected by a burning smell or smoke coming from a drum If this occurs you should imme diately stop and check for cracked brake drums or lining fires If nei ther exists get back behind the wheel and resume a slow speed as Soon as possible to cool the brakes Parking Brakes and Their Use The yellow diamond shaped knob on your instrument panel controls your parking brakes These are spring brakes which you activate by releasing air pressure from their chambers When they are not in use air pressure compresses the springs and releases the brakes But putting the valve in the Park position exhausts air from the cham bers and allows the springs to extend and apply the brakes Also if your system air drops below the safe ope
198. ways wear your seat belt Relying on the driver air bag alone could lead to more severe injuries in a colli sion The airbag supplements your seat belt to provide proper occupant restraint Do not place objects accessory equipment or stickers on or near the airbag module on the steering wheel Any such objects could increase the risk of personal injury if the vehicle is in a collision severe enough for the airbag to inflate or could prevent the module from deploying properly Being too close to the steering wheel during airbag deployment could cause possible injury Airbags need room to inflate For the best protection fasten your seat belt sit in a normal upright position comfortably extend your arms to reach the steering wheel Your vehicle may be equipped with a driver side airbag system other wise known as a Supplemental Restraint System SRS The driver s airbag provides supplemental protection to the standard 3 point seat belt assembly in a severe frontal collision For maximum safety ALL occupants should always wear their seat belts whether or not an air bag is provided at their seating position to minimize the risk of severe injury or death in the event of a crash A properly worn seat belt is your best protection in any collision The airbag system is designed to deploy during severe frontal or head on collisions where the vehicle collides with an object severe enough to warrant airbag protection Less severe front
199. wing Continuous application of your retarder will cause your hydraulic fluid to get hotter Intermittent application will help prevent overheating sion hydraulic retarder is dangerous If your engine shuts down your retarder will not operate If you are going fast or going downhill at any speed you could lose control and have a serious accident When you are using your retarder be ready in an emergency to apply your service brakes suddenly j WARNING Relying completely on your automatic transmis Auxiliary Transmission If you have an auxiliary transmission see your transmission manufac turer s manual for its proper operation If Your Vehicle Must Be Towed driving wheels off the ground before towing the vehicle You could seriously damage your vehicle by towing it with the driveline connected and the drive wheels on the ground Worse when vehicles are towed either by wrecker or piggy back the lubricant in the top front of the drive axle will drain to the rear This will leave the top components dry The resulting friction will seriously damage them Always remove the main driveshaft and axle shafts before towing your vehicle CAUTION Remove the driveline and axle shafts or lift the Returning a Towed Vehicle to Service You will have to add lubricant to prevent damage after your vehicle has been towed 1 Into the pinion cage add 1 pint 47 liter of lubricant OR Into the inter axle differential add 2 pints 94 lit
200. wly turn the cap one quarter of a turn or until it reaches the first stop allowing excess pres sure to escape push down and turn for final removal j WARNING Do not remove the radiator fill cap while the Wait until the coolant temperature is below 122 F 50 C Protect your face hands and arms by covering the cap with a large thick rag to protect you against escaping fluid and steam Before you com pletely remove the cap carefully and slowly turn the cap part way to allow excess pressure to escape Then push down and turn for final removal The cooling system may overheat if the coolant level is below normal or if there is a sudden loss of coolant such as a worn hose splitting It may also temporarily overheat during severe operating conditions such as climbing a long hill on a hot day or stopping after high speed driving If the Engine Coolant Temperature warning light comes on or you have any other reason to suspect the engine may be overheating Stop the vehicle but DON T TURN OFF THE ENGINE unless a low water warning device indicates a loss of coolant e With the transmission in neutral check to be certain the oil pres sure gauge reads normal Increase the engine speed to about 1100 1200 RPM maximum Return the idle speed to normal after 2 or 3 minutes If the warning light doesn t go off or the tem perature gauge doesn t begin to drop then turn the engine off e Ifthe overheating came from severe operating c
201. ximum torque for operating off highway The high range is a faster ratio for highway speeds For information on how to operate your two speed rear axle properly and safely see PART 7 STARTING amp OPERATING THE VEHICLE or check the Index under Two Speed Rear Axle Range Switch 38 PB1317 5229 38 22 01510 912 01 PART 4 CONTROLS AND DISPLAYS Fifth Wheel Lock Slider Adjustment Switch CAB CONTROLLED UNLOCK LOCK CONTROL FIFTH WHEEL tor trailer is in motion Movement of the fifth wheel while a tractor trailer is moving can cause a serious accident Your load could shift suddenly causing you to lose con trol of the vehicle Never operate the vehicle with the switch in the unlock position Always inspect the fifth wheel after you lock the switch to be sure the fifth wheel is engaged Vehicles having an air slide fifth wheel have a fifth wheel slider lock controlled by a switch on the instrument panel By placing the switch in the unlock position you can slide the fifth wheel to various posi tions to adjust weight distribution There is a guard over this switch to protect you against accidentally activating or releasing the lock j WARNING Do not move of the fifth wheel while the trac VARASHIELDO Wind Deflector Switch 02978 The VARASHIELD Wind Deflector is a roof mounted adjustable shield for improving vehicle aerodynamics You m
202. y or night A hard to see vehicle can result in an injury accident Another vehicle could run into you if you do not set your flashers Always move the vehicle a safe distance off the road when stalled or stopped for repairs A disabled vehicle can be dangerous for you and others The hot exhaust system could ignite dry grass spilled fuel or other substances Do not park or operate your vehicle where the exhaust system could contact dry grass brush spilled fuel or any other material that could cause a fire j WARNING Use your Hazard Flasher Warning System any Air Horn Your Peterbilt has an air horn in addition to an electric horn Control the air horn by pulling on the lanyard extending from the overhead header panel PB1317 CAT NO 5229 21 22 01510 R12 01 PART 4 CONTROLS AND DISPLAYS High Beam Headlights 02884 02884A Model 379 vehicles built on or after 5 1 98 with SRS All Peterbilt vehicles come equipped with a combination turn signal and high beam low beam switch To switch your headlights lower or higher For Model 379 vehicles built on or after 5 1 98 with SRS Gently pull the turn signal lever up towards the steering wheel until you hear the switch click and the beam changes e Forall other vehicles Push and release the button on the end of the turn signal lever Electric Horn Your Peterbilt has an electric horn To sound the horn press on the button or bar in t
203. you something is wrong with your vehicle It could be a failure in an important system such as the brakes Never ignore a warning signal Have the appropriate system checked right away PB1317 NO 5229 54 22 01510 R12 01 PART 4 CONTROLS AND DISPLAYS Transmission Temperature Gauge Your Transmission Temperature Gauge indicates the temperature of the oil in your transmission Watch this gauge to know when your transmission is overheating If it is have it checked by an authorized Service representative Maximum transmission temperature may vary depending upon the transmission and type of lubricant Check your transmission s owner s manual Forward Drive Axle Temperature Gauge Rear Drive Axle Temperature Gauge These gauges indicate the temperature of the lubricant in your vehi cle s axle s These temperatures will vary with the kind of load you are carrying and the driving conditions you encounter Maximum axle temperature may vary depending upon the axle and type of lubricant Very high temperatures signal a need to have your axle s lubrication checked CAUTION Driving with very hot temperatures in your A rear drive axles can cause serious damage to axle bear ings and seals Have your axle lubrication checked if you notice a sign of overheating PB1317 CAT 5229 55 22 01510 R12 01 PART 4 CONTROLS AND DISPLAYS Manifold Pressure Gauge
204. your truck s finish to cure wait about ninety days after the date of manufacture before waxing Don t wax in the hot sun Don t friction burn the paint with a buffing machine Aluminum and Chrome Surfaces e Clean aluminum wheels and bumpers with warm water e Tar remover will get rid of heavy deposits of road grime To prevent spotting wipe aluminum surfaces dry after washing e Under corrosive conditions such as driving on salted roads clean aluminum parts with steam or high pressure water from a hose A mild soap solution will help Rinse thoroughly Chrome surfaces are best cleaned with fresh water Wipe dry to preserve their luster A commercial chrome cleaner will remove light rust After cleaning wax flat surfaces and apply a thin coat of rust preventive lubricant around bolts or other fasteners Stainless Steel To clean and restore the finish of stainless steel components 1 In a plastic pail mix 4 tsp of alum a powder found in grocery stores or drugstores with 32 oz of water warm water will dissolve alum faster but cool will work 2 Apply the alum water solution with a pad of steel wool 0000 grade or finer GENTLY wipe the component lengthwise no pressure is necessary 3 Itis the chemical reaction between the carbon steel of the wool and the alum solution which cleans the stainless not the scrub bing of abrasive action of application 4 You may also use any stainless cleaner recommended for cleaning
205. your vehicle with the parking brake applied Always release the parking brakes prior to moving the vehicle Failure to disengage the parking brakes prior to moving your vehicle could result in excessive heat build up in the brake system resulting in a fire j WARNING Do not use the trailer hand brake or service torque and startability power at low RPM Combinations of engine speed and available torque may over power the vehi cle s parking brakes To apply all your parking brakes pull the yellow knob Out The parking brakes will set And the trailer air supply valve red octagon knob will automatically pop out releasing air pressure and setting the trailer brakes H NOTE Todays diesel electronic engines have significant pressure in the system reaches 100 psi 689 kPa because the wheels are locked by the spring brake action Unneces sary stress and possible brake malfunction could occur if the vehicle is forced to move before the air system reaches 100 psi 689 kPa To release your truck or tractor brakes ONLY push in the yellow knob Your trailer will remain parked Torelease the trailer brakes ONLY push in the red knob The truck or tractor will remain parked e To release the full combination of brakes push in BOTH yellow and red knobs CAUTION Do not try to put the vehicle in motion before PB1317 5229 98 22 01510 912 01 PART 7 STARTING amp OPERATING THE VEHICLE Trailer Air Sup

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