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1. 79 After Starting Engine i 27 D After Stopping ENGINE 30 Alternator Inspect 41 Driven Equipment Check 50 Alternator Belt Inspect Adjust Replace Poly V Belt arvireni ia al t 41 Adjustmenti s anali 41 E INSPOCU OM inset ick ansni eaa aaa a ac ii 41 Replace i ieri 41 Electrical System 14 Grounding Practices i 14 Emergency Stopping i 30 B Emissions Certification Film 20 Emissions Warranty Information 73 Battery Replace 41 Engaging the Driven Equipment 28 Battery Electrolyte Level Check 42 Engine Clean c ii 51 Battery or Battery Cable Disconnect 42 Engine Air Cleaner Element Dual Elementi Before Starting Engine 13 25 Clean Replace ii 51 Burn Prevention ii 10 Cleaning the Primary Air Cleaner Elements 52 Batteries ie 10 Servicing the Air Cleaner Elements 51 Goolanti ina iaia 10 Engine Air Cleaner Element Single Element ils tele ini iii ati co din dA ini mil 10 Inspect Replace rrenen 54 Engine Air Cleaner Service Indicator Inspect 54 Test the Service Indicator 54 c Engine Air Precleaner Check Clean 55 Engine Description eee eects 17 Cold Weather Oper
2. NOTICE Do not crank the engine for more than 30 seconds Allow the electric starting motor to cool for two minutes before cranking the engine again 2 Turn the engine start switch to the START position Hold the engine start switch in the START position and crank the engine 3 When the engine starts release the engine start switch 4 If equipped slowly move the throttle lever to the low idle position and allow the engine to idle Refer to the Operation and Maintenance Manual After Starting Engine topic 5 If the engine does not start release the engine start switch and allow the electric starting motor to cool Then repeat steps 2 through step 4 6 Turn the engine start switch to the OFF position in order to stop the engine 02710719 Cold Weather Starting SMCS Code 1000 1250 1450 1453 1456 1900 Do not use aerosol types of starting aids such as ether Such use could result in an explosion and personal injury Startability will be improved at temperatures below 18 C 0 F from the use of a jacket water heater or extra battery capacity When Group 2 diesel fuel is used the following items provide a means of minimizing starting problems and fuel problems in cold weather engine oil pan heaters jacket water heaters fuel heaters and fuel line insulation Use the procedure that follows for cold weather starting 1 If equipped move the throttle lever to the full throttle positi
3. aai partaa aia 71 Warranty Information i 73 Warranty Section n 73 Water Pump Inspect 72 Product and Dealer Information Note For product identification plate locations see the section Product Identification Information in the Operation and Maintenance Manual Delivery Date Product Information Model Product Identification Number Engine Serial Number Transmission Serial Number Generator Serial Number Attachment Serial Numbers Attachment Information Customer Equipment Number Dealer Equipment Number Dealer Information Name Branch Address Dealer Contact Phone Number Hours Sales Parts Service 2007 Caterpillar All Rights Reserved Printed in U S A
4. The batteries must be kept clean The covers if equipped must be kept on the cells Use the recommended cables connections and battery box covers when the engine is operated Fire Extinguisher Make sure that a fire extinguisher is available Be familiar with the operation of the fire extinguisher Inspect the fire extinguisher and service the fire extinguisher regularly Obey the recommendations on the instruction plate Ether Ether is flammable and poisonous Use ether in well ventilated areas Do not smoke while you are replacing an ether cylinder or while you are using an ether spray Do not store ether cylinders in living areas or in the engine compartment Do not store ether cylinders in direct sunlight or in temperatures above 49 C 120 F Keep ether cylinders away from open flames or sparks Dispose of used ether cylinders properly Do not puncture an ether cylinder Keep ether cylinders away from unauthorized personnel Do not spray ether into an engine if the engine is equipped with a thermal starting aid for cold weather starting Lines Tubes and Hoses Do not bend high pressure lines Do not strike high pressure lines Do not install any lines that are bent or damaged Repair any lines that are loose or damaged Leaks can cause fires Consult your Caterpillar dealer for repair or for replacement parts Check lines tubes and hoses carefully Do not use your bare hand to check for leaks Use a
5. 76 Reference Information Section Customer Service SEBU8327 Customer Service 102097871 Customer Assistance SMCS Code 1000 USA and Canada When a problem arises concerning the operation of an engine or concerning the service of an engine the problem will normally be managed by the dealer in your area Your satisfaction is a primary concern to Caterpillar and to Caterpillar dealers If you have a problem that has not been handled to your complete satisfaction follow these steps 1 Discuss your problem with a manager from the dealership 2 If your problem cannot be resolved at the dealer level without additional assistance use the phone number that is listed below to talk with a Field Service Coordinator 1 800 447 4986 The normal hours are from 8 00 to 4 30 Monday through Friday Central Standard Time 3 If your needs have not been met still submit the matter in writing to the following address Caterpillar Inc Manager Customer Service Engine Division Mossville Bldg AC P O Box 610 Mossville Illinois 61552 0610 Please keep in mind probably your problem will ultimately be solved at the dealership using the dealership s facilities equipment and personnel Therefore follow the steps in sequence when a problem is experienced Outside of the USA and of Canada If a problem arises outside the USA and outside Canada and if the problem cannot be resolved at the dealer level consult the
6. Disassembly and Assembly KENR6216 C4 4 Industrial Engines Specifications SENR3130 Torque Specifications Special Publication PECP9067 One Safe Source English language for use in NACD Special Publication LEDM5615 Caterpillar Marine Parts and Service Locations Directory Special Publication SEBF8029 Index to Guidelines for Reusable Parts and Salvage Operations Special Publication SEBF8062 Procedure to Inspect and Clean Air Filters Special Instruction SEHS9031 Storage Procedure for Caterpillar Products Special Publication NEHS0526 Service Technician Application Guide Special Publication SEBU6251 Caterpillar Commercial Diesel Engine Fluids Recomendations Special Instruction SEHS7633 Battery Test Procedure Label SEHS7332 Danger Do Not Operate SEBU8327 79 Reference Information Section Reference Materials Emissions Warranty This engine may be Certified and this engine may be covered by an Emissions Warranty A detailed explanation of the Emissions Warranty that is applicable to Certified engines is found in Supplement SMBU6981 Emissions Control Warranty Information The engine is Certified if the engine has a special label that verifies the certification A Caterpillar dealer can also inform you if the engine is certified 101775229 Additional Reference Material SMCS Code 1000 The Engine Fluids Data Book
7. Fuel Related Components in Cold Weather SMCS Code 1000 1250 Fuel Tanks Condensation can form in partially filled fuel tanks Top off the fuel tanks after you operate the engine Fuel tanks should contain some provision for draining water and sediment from the bottom of the tanks Some fuel tanks use supply pipes that allow water and sediment to settle below the end of the fuel supply pipe Some fuel tanks use supply lines that take fuel directly from the bottom of the tank If the engine is equipped with this system regular maintenance of the fuel system filter is important Drain the water and sediment from any fuel storage tank at the following intervals weekly oil changes and refueling of the fuel tank This will help prevent water and or sediment from being pumped from the fuel storage tank and into the engine fuel tank Fuel Filters It is possible that a primary fuel filter is installed between the fuel tank and the engine fuel inlet After you change the fuel filter always prime the fuel system in order to remove air bubbles from the fuel system Refer to the Operation and Maintenance Manual in the Maintenance Section for more information on priming the fuel system The micron rating and the location of a primary fuel filter is important in cold weather operation The primary fuel filter and the fuel supply line are the most common components that are affected by cold fuel Fuel Heaters Fuel heaters hel
8. Loss of engine lubricant can result in serious engine damage Minor leakage of oil into a turbocharger under extend ed low idle operation should not cause problems as long as a turbocharger bearing failure has not oc cured When a turbocharger bearing failure is accompanied by a significant engine performance loss exhaust smoke or engine rpm up at no load do not continue engine operation until the turbocharger is renewed A visual inspection of the turbocharger can minimize unscheduled downtime A visual inspection of the turbocharger can also reduce the chance for potential damage to other engine parts Removal and Installation Note The turbochargers that are supplied are nonserviceable For options regarding the removal installation and replacement consult your Carerpillar dealer or your Carerpillar distributor Refer to the Disassembly and Assembly Manual Turbocharger Remove and Turbocharger Install for further information Inspecting NOTICE The compressor housing for the turbocharger must not be removed from the turbocharger for cleaning The actuator linkage is connected to the compressor housing If the actuator linkage is moved or disturbed the engine may not comply with emmissions legisla tion 1 Remove the pipe from the turbocharger exhaust outlet and remove the air intake pipe to the turbocharger Visually inspect the piping for the presence of oil Clean the interior of the pipes
9. Operations that may cause product damage are identified by NOTICE labels on the product and in this publication Caterpillar cannot anticipate every possible circumstance that might involve a potential hazard The warnings in this publication and on the product are therefore not all inclusive If a tool procedure work method or operating technique that is not specifically recommended by Caterpillar is used you must satisfy yourself that it is safe for you and for others You should also ensure that the product will not be damaged or be made unsafe by the operation lubrication maintenance or repair procedures that you choose The information specifications and illustrations in this publication are on the basis of information that was available at the time that the publication was written The specifications torques pressures measurements adjustments illustrations and other items can change at any time These changes can affect the service that is given to the product Obtain the complete and most current information before you start any job Caterpillar dealers have the most current information available When replacement parts are required for this product Caterpillar recommends using Caterpil lar replacement parts or parts with equivalent specifications including but not limited to phys ical dimensions type strength and material Failure to heed this warning can lead to prema ture failures product damage personal
10. Table 10 Recommended Interval Type of Coolant Level 1 Level 2 Every 250 Cat DEAC Hours Yearly Cat ELC Optional Yearly 1 This is the recommended interval for coolant samples for all conventional heavy duty coolant antifreeze This is also the recommended interval for coolant samples of commercial coolants that meet the Cat EC 1 specification for engine coolant 2 The Level 2 Coolant Analysis should be performed sooner if a problem is suspected or identified NOTICE Always use a designated pump for oil sampling and use a separate designated pump for coolant sampling Using the same pump for both types of samples may contaminate the samples that are being drawn This contaminate may cause a false analysis and an incor rect interpretation that could lead to concerns by both dealers and customers Note Level 1 results may indicate a need for Level 2 Analysis 48 Maintenance Section Cooling System Coolant Sample Level 2 Obtain SEBU8327 Obtain the sample of the coolant as close as possible to the recommended sampling interval In order to receive the full effect of S O S analysis you must establish a consistent trend of data In order to establish a pertinent history of data perform consistent samplings that are evenly spaced Supplies for collecting samples can be obtained from your Caterpillar dealer Use the following guidelines for proper sampling of the coolant e Complete the
11. of the alternator Inspect the alternator for loose connections and proper battery charging Inspect the ammeter if equipped during engine operation in order to ensure proper battery performance and or proper performance of the electrical system Make repairs as required Check the alternator and the battery charger for proper operation If the batteries are properly charged the ammeter reading should be very near zero All batteries should be kept charged The batteries should be kept warm because temperature affects the cranking power If the battery is too cold the battery will not crank the engine The battery will not crank the engine even if the engine is warm When the engine is not run for long periods of time or if the engine is run for short periods the batteries may not fully charge A battery with a low charge will freeze more easily than a battery with a full charge 102491869 Alternator Belt Inspect Adjust Replace Poly V Belt SMCS Code 1357 036 1357 510 Inspection To maximize the engine performance inspect the belt 1 for wear and for cracking Replace the belt if the belt is worn or damaged e If the belt 1 has more than four cracks per 25 4000 mm 1 inch the belt must be replaced e Check the belt of cracks splits glazing grease and splitting 1 Illustration 21 g01251375 Typical example Adjustment This type of belt has an automatic belt tensioner Replace Refer
12. underneath or close to the engine Ensure that the area is free of personnel If equipped ensure that the lighting system for the engine is suitable for the conditions Ensure that all lights work properly if equipped All protective guards and all protective covers must be installed if the engine must be started in order to perform service procedures To help prevent an accident that is caused by parts in rotation work around the parts carefully Do not bypass the automatic shutoff circuits Do not disable the automatic shutoff circuits The circuits are provided in order to help prevent personal injury The circuits are also provided in order to help prevent engine damage See the Service Manual for repairs and for adjustments 102707603 Engine Starting SMCS Code 1000 Do not use aerosol types of starting aids such as ether Such use could result in an explosion and personal injury If a warning tag is attached to the engine start switch or to the controls DO NOT start the engine or move the controls Consult with the person that attached the warning tag before the engine is started All protective guards and all protective covers must be installed if the engine must be started in order to perform service procedures To help prevent an accident that is caused by parts in rotation work around the parts carefully Start the engine from the operator s compartment or from the engine start switch Always st
13. 38 Maintenance Section Refill Capacities SEBU8327 Note 100 percent pure glycol will freeze at a temperature of 23 C 9 F Most conventional heavy duty antifreezes use ethylene glycol Propylene glycol may also be used In a 1 1 mixture with water ethylene and propylene glycol provide similar protection against freezing and boiling See Tables 6 and 7 Table 6 Ethylene Glycol Concentration Freeze Boll Protection Protection 50 Percent 36 C 33 F 106 C 223 F 60 Percent 51 C 60 F 111 C 232 F NOTICE Do not use propylene glycol in concentrations that ex ceed 50 percent glycol because of propylene glycol s reduced heat transfer capability Use ethylene glycol in conditions that require additional protection against boiling or freezing Table 7 Propylene Glycol Freeze Anti Boil Protection Protection 29 C 20 F 106 C 223 F Concentration 50 Percent To check the concentration of glycol use the 1U 7298 Coolant Battery Tester Degrees Celsius or use the 1U 7297 Coolant Battery Tester Degrees Fahrenheit The testers give readings that are immediate and accurate The testers can be used with ethylene or propylene glycol Coolant Recommendations NOTICE Do not use a commercial coolant antifreeze that on ly meets the ASTM D3306 specification This type of coolant antifreeze is made for light duty
14. Label No 3181A081 E E 901360989 Illustration 17 Typical example 21 Product Information Section Product Identification Information SEBU8327 IMPORTANT ENGINE INFORMATION PAT 1 g01361347 Illustration 18 Typical locations of the Emission Certification Film 22 Operation Section Lifting and Storage SEBU8327 Operation Section Lifting and Storage 102708018 Product Lifting SMCS Code 1000 1404 7002 Illustration 19 g00103219 NOTICE Never bend the eyebolts and the brackets Only load the eyebolts and the brackets under tension Remem ber that the capacity of an eyebolt is less as the angle between the supporting members and the object be comes less than 90 degrees When it is necessary to remove a component at an angle only use a link bracket that is properly rated for the weight Use a hoist to remove heavy components Use an adjustable lifting beam to lift the engine All supporting members chains and cables should be parallel to each other The chains and cables should be perpendicular to the top of the object that is being lifted Some removals require lifting the fixtures in order to obtain proper balance and safety To remove the engine ONLY use the lifting eyes that are on t
15. and wing nut 1 Note When the engine is operated in dusty applications more frequent cleaning is required 102456872 Engine Mounts Inspect SMCS Code 1152 040 Inspect the engine mounts for deterioration and for proper bolt torque Engine vibration can be caused by the following conditions e Improper mounting of the engine e Deterioration of the engine mounts Any engine mount that shows deterioration should be replaced Refer to Special Publication SENR3130 Torque Specifications for the recommended torques Refer to the OEM recommendations for more information i02708019 Engine Oil Level Check SMCS Code 1348 535 FLV Hot oil and hot components can cause personal injury Do not allow hot oil or hot components to contact the skin lt Eo f Illustration 32 g01165836 Y Min mark X Max mark NOTICE Perform this maintenance with the engine stopped Note Ensure that the engine is either level or that the engine is in the normal operating position in order to obtain a true level indication Note After the engine has been switched OFF wait for ten minutes in order to allow the engine oil to drain to the oil pan before checking the oil level 1 Maintain the oil level between the MIN mark Y and the MAX mark X on the engine oil dipstick Do not fill the crankcase above the MAX mark X NOTICE Operating your engine when t
16. gasket that is on the cooling system filler cap If the gasket that is on the cooling system filler cap is damaged discard the old cooling system filler cap and install a new cooling system filler cap If the gasket that is on the cooling system filler cap is not damaged use a 9S 8140 Pressurizing Pump in order to pressure test the cooling system filler cap The correct pressure for the cooling system filler cap is stamped on the face of the cooling system filler cap If the cooling system filler cap does not retain the correct pressure install a new cooling system filler cap 5 Start the engine Inspect the cooling system for leaks and for proper operating temperature 102480380 Cooling System Coolant Level Check SMCS Code 1395 082 Engines With a Coolant Recovery Tank Note The cooling system may not have been provided by Caterpillar The procedure that follows is for typical cooling systems Refer to the OEM information for the correct procedures Check the coolant level when the engine is stopped and cool 1 Observe the coolant level in the coolant recovery tank Maintain the coolant level to COLD FULL mark on the coolant recovery tank Pressurized System Hot coolant can cause seri ous burns To open the cooling system filler cap stop the engine and wait until the cooling system components are cool Loosen the cooling system pressure cap slowly in order to relieve the pres sure 2 Loosen filler
17. in order to prevent dirt from entering during reassembly 2 Check for the presence of oil If oil is leaking from the back side of the compressor wheel there is a possibility of a failed turbocharger oil seal The presence of oil may be the result of extended engine operation at low idle The presence of oil may also be the result of a restriction of the line for the intake air clogged air filters which causes the turbocharger to slobber 3 Inspect the bore of the housing of the turbine outlet for corrosion 4 Fasten the air intake pipe and the exhaust outlet pipe to the turbocharger housing 102517672 V Belts Inspect Adjust Replace SMCS Code 1357 025 1357 040 1357 510 Inspection Illustration 43 g01249073 Arrangement for the V belts To maximize the engine performance inspect the belts for wear and for cracking Replace belts that are worn or damaged For applications that require multiple drive belts replace the belts in matched sets Replacing only one belt of a matched set will cause the new belt to carry more load because the older belt is stretched The additional load on the new belt could cause the new belt to break If the belts are too loose vibration causes unnecessary wear on the belts and pulleys Loose belts may slip enough to cause overheating SEBU8327 71 Maintenance Section Walk Around Inspection To accurately check the belt tension install 144 0235 Bel
18. 2 1 Displacement 4 4 L 268 in Firing Order 1342 Rotation flywheel end Counterclockwise Valve Lash Setting Inlet 0 20 mm 0 008 inch Valve Lash Setting Exhaust 0 45 mm 0 018 inch Engine Cooling and Lubrication The cooling system consists of the following components e Gear driven centrifugal water pump e Water temperature regulator which regulates the engine coolant temperature e Gear driven oil pump gear type e Oil cooler The engine lubricating oil is supplied by a gear type pump The engine lubricating oil is cooled and the engine lubricating oil is filtered Bypass valves provide unrestricted flow of lubrication oil to the engine parts when oil viscosity is high Bypass valves can also provide unrestricted flow of lubrication oil to the engine parts if the oil cooler should become plugged or if the oil filter element should become plugged Engine efficiency efficiency of emission controls and engine performance depend on adherence to proper operation and maintenance recommendations Engine performance and efficiency also depend on the use of recommended fuels lubrication oils and coolants Refer to the Operation and Maintenance Manual Maintenance Interval Schedule for more information on maintenance items Engine Service Life Engine efficiency and maximum utilization of engine performance depend on the adherence to proper operation and maintenance recommendatio
19. A mixture of 0 1 kg 0 2 Ib of baking soda and 1L 1 qt of clean water e A mixture of 0 1 L 0 11 qt of ammonia and 1 L 1 qt of clean water Thoroughly rinse the battery case with clean water Use a fine grade of sandpaper to clean the terminals and the cable clamps Clean the items until the surfaces are bright or shiny DO NOT remove material excessively Excessive removal of material can cause the clamps to not fit properly Coat the clamps and the terminals with 5N 5561 Silicone Lubricant petroleum jelly or MPGM 102323088 Battery or Battery Cable Disconnect SMCS Code 1402 029 The battery cables or the batteries should not be removed with the battery cover in place The bat tery cover should be removed before any servic ing is attempted Removing the battery cables or the batteries with the cover in place may cause a battery explosion resulting in personal injury SEBU8327 43 Maintenance Section Cooling System Coolant DEAC Change 1 Turn the start switch to the OFF position Turn the ignition switch if equipped to the OFF position and remove the key and all electrical loads 2 Disconnect the negative battery terminal Ensure that the cable cannot contact the terminal When four 12 volt batteries are involved two negative connection must be disconnected 3 Remove the positive connection 4 Clean all disconnected connection and battery terminals 5 Use a fine grade of sandpaper to
20. Belts Inspect Adjust Replace 70 A aed Walon TEMPErAUTE Regulators 49 Wak Around INSEE OR art oe A esate 7 places ta eee ein iii Every 50 Service Hours or Weekly Fuel Tank Water and Sediment Drain 63 Every 250 Service Hours Cooling System Coolant Sample Level 1 OD IAIN seni Aiino 47 Engine Oil Sample Obtain eeeeeeeeeeeeeeees 56 Every 500 Service Hours V Belts Inspect Adjust Replace 70 Every 500 Service Hours or 6 Months Engine Protective Devices Check 58 Every 500 Service Hours or 1 Year Battery Electrolyte Level Check 42 Cooling System Supplemental Coolant Additive SCA Test Add 48 Crankcase Breather Canister Replace 50 Engine Air Cleaner Element Dual Element Clean Replace 51 Engine Oil and Filter Change 56 Fuel System Secondary Filter Replace 61 Hoses and Clamps Inspect Replace 64 Radiator Clean ees 68 Every 12 000 Service Hours or 6 Years Cooling System Coolant ELC Change 45 Overhaul Overhaul Considerations 65 SEBU8327 41 Maintenance Section Alternator Inspect 102704667 Alternator Inspect SMCS Code 1405 040 Caterpillar recommends a scheduled inspection
21. Flush the cooling system with clean water in order to remove any debris 2 Close the drain valve if equipped Clean the drain plug 1 Install the drain plug Refer to Torque Specifications SENR3130 for more information on the correct torques NOTICE Do not fill the cooling system faster than 5 L 1 3 US gal per minute to avoid air locks Cooling system air locks may result in engine damage 3 Fill the cooling system with a mixture of clean water and Caterpillar Fast Acting Cooling System Cleaner Add 0 5 L 1 pint of cleaner per 3 8 to 7 6 L 1 to 2 US gal of the cooling system capacity Install the cooling system filler cap 4 Start and run the engine at low idle for a minimum of 90 minutes The coolant temperature should be at least 82 C 180 F NOTICE Improper or incomplete rinsing of the cooling system can result in damage to copper and other metal com ponents To avoid damage to the cooling system make sure to completely flush the cooling system with clear wa ter Continue to flush the system until all signs of the cleaning agent are gone 5 Stop the engine and allow the engine to cool Loosen the cooling system filler cap slowly in order to relieve any pressure Remove the cooling system filler cap Open the drain valve if equipped or remove the cooling system drain plug 1 Allow the water to drain Flush the cooling system with clean water Close the drain valve if equipped Clean t
22. For additional information about coolant analysis see Special Publication SEBU6251 Caterpillar Commercial Diesel Engines Fluids Recommendations or consult your Caterpillar dealer 102456600 Cooling System Supplemental Coolant Additive SCA Test Add SMCS Code 1352 045 1395 081 Cooling system coolant additive contains alkali To help prevent personal injury avoid contact with the skin and the eyes Do not drink cooling system coolant additive Note Test the concentration of the Supplemental Coolant Additive SCA or test the SCA concentration as part of an S O S Coolant Analysis Test for SCA Concentration Coolant and SCA NOTICE Do not exceed the recommended six percent supple mental coolant additive concentration Use the 8T 5296 Coolant Conditioner Test Kit or use the 4C 9301 Coolant Conditioner Test Kit in order to check the concentration of the SCA Refer to this Operation and Maintenance Manual Refill Capacities and Recommendations for more information Water and SCA NOTICE Do not exceed the recommended eight percent sup plemental coolant additive concentration Test the concentration of the SCA with the 8T 5296 Coolant Conditioner Test Kit Refer to the Special Publication SEBU6251 Caterpillar Commercial Diesel Engine Fluids Recommendations for more information SEBU8327 49 Maintenance Section Cooling System Water Temperature Regulator Replace S
23. Grounding Practices Correct grounding for the engine electrical system is necessary for optimum engine performance and reliability Incorrect grounding will result in uncontrolled electrical circuit paths and in unreliable electrical circuit paths Uncontrolled electrical circuit paths can result in damage to main bearings to crankshaft bearing journal surfaces and to aluminum components Engines that are installed without engine to frame ground straps can be damaged by electrical discharge To ensure that the engine and the engine electrical systems function correctly an engine to frame ground strap with a direct path to the battery must be used This path may be provided by way of a direct engine ground to the frame All grounds should be tight and free of corrosion The engine alternator must be grounded to the negative battery terminal with a wire that is adequate to handle the full charging current of the alternator SEBU8327 15 Product Information Section Model Views Product Information Section Model Views 102707217 Model View Illustrations SMCS Code 1000 SEBU8327 16 Product Information Section Model Views Engine Model Views 10 WYK ds NS j X C CE Ar QUEZ i gt A _ N GY Y amp EC OA e I A LLBTZA re N g01351713 Illustration 12 Typical example Fuel Injection Pump Oil Filter Crank
24. Hours i ngine Valve Lash Inspect Adjust Maintenance Interval Schedule Engine Valve Lash Inspect Adjust 59 SMCS Code 1000 7500 Every 2000 Service Hours When Required Alternator Inspect nenene 41 Starting Motor Inspect seeen 69 Battery Replace 41 Turbocharger Inspect i 69 Battery or Battery Cable Disconnect 42 Water Pump Inspect ii 72 Engine Clean a A 51 Engine Air Cleaner Element Dual Element Every 2000 Service Hours or 1 Year MAN IRE DIA CS ca riali 51 Engine Air Cleaner Element Single Element Engine Mounts Inspect 55 Inspect Replace 54 Fuel System Prime secies 60 Every Year ice Application Check 68 PENCE SANCE AER Dalan ee Cooling System Coolant Sample Level 2 Daily OD AIM cerea iena aaa 48 Alternator Belt Inspect Adjust Replace 41 Every 3000 Service Hours Cooling System Coolant Level Check 46 Dn mento Ce ei ONES SE Alemator Belt Ispect AdjusYReplace ns 41 Engine Air Cleaner Service Indicator Inspect 54 Fuel Injection Nozzles Test Exchange 59 Engine Air Precleaner Check Clean 55 Endine Oil Level Check slip ana 55 Every 3000 Service Hours or 2 Years oe Primary Filter Water Separator 61 Cooling System Coolant DEAC Change 43 V
25. O S Coolant Analysis S O S coolant samples can be analyzed at your Caterpillar dealer S O S Coolant Analysis is a program that is based on periodic samples Level 1 Level 1 is a basic analysis of the coolant The following items are tested e Glycol Concentration e Concentration of SCA e pH e Conductivity The results are reported and recommendations are made according to the results Consult your Caterpillar dealer for information on the benefits of managing your equipment with an S O S Coolant Analysis Level 2 This level coolant analysis is recommended when the engine is overhauled Refer to this Operations and Maintenance Manual Overhaul Considerations for further information Add the SCA If Necessary NOTICE Do not exceed the recommended amount of sup plemental coolant additive concentration Excessive supplemental coolant additive concentration can form deposits on the higher temperature surfaces of the cooling system reducing the engine s heat transfer characteristics Reduced heat transfer could cause cracking of the cylinder head and other high temper ature components Excessive supplemental coolant additive concentration could also result in radiator tube blockage overheating and or accelerated water pump seal wear Never use both liquid supplemental coolant additive and the spin on element if equipped at the same time The use of those additives together could result in supplemental coo
26. Other potential damage to the engine Note The water pump seal is lubricated by the coolant in the cooling system It is normal for a small amount of leakage to occur as the engine cools down and parts contract Visually inspect the water pump for leaks Renew the water pump seal or the water pump if there is an excessive leakage of coolant Refer to Disassembly and Assembly Water Pump Remove for the disassembly procedure and then refer to Disassembly and Assembly Water Pump Install for the assembly procedure SEBU8327 73 Warranty Section Warranty Information Warranty Section Warranty Information 101087950 Emissions Warranty Information SMCS Code 1000 This engine may be certified to comply with exhaust emission standards and gaseous emission standards that are prescribed by law at the time of manufacture and this engine may be covered by an Emissions Warranty A detailed explanation of the Emissions Warranty that is applicable to emissions certified engines is found in Supplement SEBU6981 Federal Emissions Control Warranty Information Consult your authorized Caterpillar dealer to determine if your engine is emissions certified and if your engine is subject to an Emissions Warranty 74 SEBU8327 Reference Information Section Engine Ratings Reference Information 100819749 Section Engine Ratings i00727327 Engine Rating Conditions SMCS Code 1000 All engine ratings are in
27. SEBU8327 63 Maintenance Section Fuel Tank Water and Sediment Drain a I od Srl Illustration 41 901353858 1 Filter Head 2 Spin on filter 3 Drain 1 Clean the outside of the fuel filter assembly Open the fuel drain 3 and drain the fuel into a suitable container 2 Use a suitable tool in order to remove the spin on filter 2 from the filter head 1 3 Ensure that the fuel drain 3 on the new spin on filter is closed Illustration 42 901353860 4 O ring seal 4 Lubricate the sealing ring 4 with clean fuel oil 5 Install the spin on filter 2 into the top of the filter head 1 6 Tighten the spin on filter by hand until the sealing ring contacts the filter head Rotate the spin on filter through 90 degrees 7 Prime the fuel system Refer to Operation and Maintenance Manual Fuel System Prime 102702048 Fuel Tank Water and Sediment Drain SMCS Code 1273 543 M amp S NOTICE Care must be taken to ensure that fluids are contained during performance of inspection maintenance test ing adjusting and repair of the product Be prep
28. System Coolant Level Check SEBU8327 5 Stop the engine and allow the engine to cool Loosen the cooling system filler cap slowly in order to relieve any pressure Remove the cooling system filler cap Open the drain valve if equipped or remove the cooling system drain plugs Allow the water to drain Flush the cooling system with clean water Close the drain valve if equipped Clean the drain plugs Install the drain plugs Refer to Torque Specifications SENR3130 for more information on the correct torques Fill NOTICE Do not fill the cooling system faster than 5 L 1 3 US gal per minute to avoid air locks Cooling system air locks may result in engine damage 1 Fill the cooling system with Extended Life Coolant ELC Refer to this Operation and Maintenance Manual Refill Capacities and Recommendations topic Maintenance Section for more information on cooling system specifications Do not install the cooling system filler cap 2 Start and run the engine at low idle Increase the engine rpm to high idle Run the engine at high idle for one minute in order to purge the air from the cavities of the engine block Stop the engine 3 Check the coolant level Maintain the coolant level within 13 mm 0 5 inch below the bottom of the pipe for filling Maintain the coolant level within 13 mm 0 5 inch to the proper level on the sight glass if equipped 4 Clean the cooling system filler cap Inspect the
29. a warm well mixed oil sample To avoid contamination of the oil samples the tools and the supplies that are used for obtaining oil samples must be clean Caterpillar recommends using the sampling valve in order to obtain oil samples The quality and the consistency of the samples are better when the sampling valve is used The location of the sampling valve allows oil that is flowing under pressure to be obtained during normal engine operation The 169 8373 Fluid Sampling Bottle is recommended for use with the sampling valve The fluid sampling bottle includes the parts that are needed for obtaining oil samples Instructions are also provided NOTICE Always use a designated pump for oil sampling and use a separate designated pump for coolant sampling Using the same pump for both types of samples may contaminate the samples that are being drawn This contaminate may cause a false analysis and an incor rect interpretation that could lead to concerns by both dealers and customers If the engine is not equipped with a sampling valve use the 1U 5718 Vacuum Pump The pump is designed to accept sampling bottles Disposable tubing must be attached to the pump for insertion into the sump For instructions see Special Publication PEHP6001 How To Take A Good Oil Sample Consult your Caterpillar dealer for complete information and assistance in establishing an S O S program for your engine i02712378 Engine Oil an
30. analysis consult one of the following sources e Caterpillar dealer e Local water utility company e Agricultural agent e Independent laboratory Additives Additives help to protect the metal surfaces of the cooling system A lack of coolant additives or insufficient amounts of additives enable the following conditions to occur e Corrosion e Formation of mineral deposits e Rust e Scale Pitting and erosion from cavitation of the cylinder liner e Foaming of the coolant Many additives are depleted during engine operation These additives must be replaced periodically This can be done by adding Supplemental Coolant Additives SCA to Diesel Engine Antifreeze Coolant DEAC or by adding ELC Extender to Extended Life Coolant ELC Additives must be added at the proper concentration Overconcentration of additives can cause the inhibitors to drop out of solution The deposits can enable the following problems to occur e Formation of gel compounds e Reduction of heat transfer e Leakage of the water pump seal e Plugging of radiators coolers and small passages Glycol Glycol in the coolant helps to provide protection against the following conditions e Boiling e Freezing e Cavitation of the water pump and the cylinder liner For optimum performance Caterpillar recommends a 1 1 mixture of a water glycol solution Note Use a mixture that will provide protection against the lowest ambient temperature
31. and coolant antifreeze 102348493 Starting Motor Inspect SMCS Code 1451 040 1453 040 Caterpillar recommends a scheduled inspection of the starting motor If the starting motor fails the engine may not start in an emergency situation Check the starting motor for correct operation Check the electrical connections and clean the electrical connections Refer to the Systems Operation Testing and Adjusting Manual Electric Starting System Test for more information on the checking procedure and for specifications or consult your Caterpillar dealer for assistance 102710646 Turbocharger Inspect SMCS Code 1052 040 1052 A regular visual inspection of the turbocharger is recommended Any fumes from the crankcase are filtered through the air inlet system Therefore by products from oil and from combustion can collect in the turbocharger compressor housing Over time this buildup can contribute to loss of engine power increased black smoke and overall loss of engine efficiency If the turbocharger fails during engine operation damage to the turbocharger compressor wheel and or to the engine may occur Damage to the turbocharger compressor wheel can cause additional damage to the pistons the valves and the cylinder head 70 Maintenance Section V Belts Inspect Adjust Replace SEBU8327 NOTICE Turbocharger bearing failures can cause large quanti ties of oil to enter the air intake and exhaust systems
32. and or tie wraps Inspect the piping for the air intake system and the elbows for cracks and for loose clamps Ensure that hoses and tubes are not contacting other hoses tubes wiring harnesses etc Inspect the alternator belts and any accessory drive belts for cracks breaks or other damage Belts for multiple groove pulleys must be replaced as matched sets If only one belt is replaced the belt will carry more load than the belts that are not replaced The older belts are stretched The additional load on the new belt could cause the belt to break e Drain the water and the sediment from the fuel tank on a daily basis in order to ensure that only clean fuel enters the fuel system Inspect the wiring and the wiring harnesses for loose connections and for worn wires or frayed wires Inspect the ground strap for a good connection and for good condition Disconnect any battery chargers that are not protected against the current drain of the starting motor Check the condition and the electrolyte level of the batteries unless the engine is equipped with a maintenance free battery e Check the condition of the gauges Replace any gauges that are cracked Replace any gauge that can not be calibrated 102457735 Water Pump Inspect SMCS Code 1361 040 1361 A failed water pump may cause severe engine overheating problems that could result in the following conditions e Cracks in the cylinder head e A piston seizure e
33. appropriate Caterpillar office Latin America Mexico Carribean Caterpillar Americas Co 701 Waterford Way Suite 200 Miami FL 33126 4670 USA Phone 305 476 6800 Fax 305 476 6801 Europe Africa and Middle East Caterpillar Overseas S A 76 Route de Frontenex P O Box 6000 CH 1211 Geneva 6 Switzerland Phone 22 849 4444 Fax 22 849 4544 Far East Caterpillar Asia Pte Ltd 7 Tractor Road Jurong Singapore 627968 Republic of Singapore Phone 65 662 8333 Fax 65 662 8302 China Caterpillar China Ltd 37 F The Lee Gardens 33 Hysan Avenue Causeway Bay G P O Box 3069 Hong Kong Phone 852 2848 0333 Fax 852 2848 0440 Japan Shin Caterpillar Mitsubishi Ltd SBS Tower 10 1 Yoga 4 Chome Setagaya Ku Tokyo 158 8530 Japan Phone 81 3 5717 1150 Fax 81 3 5717 1177 Japan Caterpillar Power Systems Inc SBS Tower 14th floor 4 10 1 Yoga Setagaya Ku Tokyo 158 0097 Phone 81 3 5797 4300 Fax 81 3 5797 4359 Australia and New Zealand Caterpillar of Australia Ltd 1 Caterpillar Drive Private Mail Bag 4 Tullamarine Victoria 3043 Australia Phone 03 9953 9333 Fax 03 9335 3366 SEBU8327 77 Reference Information Section Customer Service 101028392 Ordering Replacement Parts SMCS Code 7567 When replacement parts are required for this product Caterpillar recommends using Caterpillar replacement parts or parts with equivalent spec ifications including but not limited to p
34. automotive applications The following two coolants are used in Caterpillar diesel engines Preferred Caterpillar Extended Life Coolant ELC or a commercial extended life coolant that meets the Caterpillar EC 1 specification Acceptable Caterpillar Diesel Engine Antifreeze DEAC or a commercial heavy duty antifreeze that meets ASTM D4985 or ASTM D6210 specifications Caterpillar recommends a 1 1 mixture of water and glycol This mixture of water and glycol will provide optimum heavy duty performance as a antifreeze Note Caterpillar DEAC does not require a treatment with an SCA at the initial fill A commercial heavy duty antifreeze that meets ASTM D4985 or ASTM D6210 specifications MAY require a treatment with an SCA at the initial fill These coolants WILL require a treatment with an SCA on a maintenance basis Refer to Special Publication SEBU6251 Caterpillar Commercial Diesel Engine Fluids Recommendations for additional information that relates to coolant S O S Coolant Analysis Table 8 Recommended Interval Type of Coolant Level 1 Level 2 DEAC Every 250 Hours Yearly ELC Not Required Yearly 1 The Level 2 Coolant Analysis should be performed sooner if a problem is identified by a Level 1 Coolant Analysis S O S Coolant Analysis Level 1 A coolant analysis Level 1 is a test of the properties of the coolant The following properties of the
35. cap slowly in order to relieve any pressure Remove the filler cap 3 Pour the correct coolant mixture into the tank Refer to the Operation and Maintenance Manual Refill Capacities and Recommendations for information on the correct mixture and type of coolant Refer to the Operation and Maintenance Manual Refill Capacities and Recommendations for the cooling system capacity Do not fill the coolant recovery tank above COLD FULL mark Illustration 23 g00103639 SEBU8327 47 Maintenance Section Cooling System Coolant Sample Level 1 Obtain 4 Clean filler cap and the receptacle Reinstall the filler cap and inspect the cooling system for leaks Note The coolant will expand as the coolant heats up during normal engine operation The additional volume will be forced into the coolant recovery tank during engine operation When the engine is stopped and cool the coolant will return to the engine Engines Without a Coolant Recovery Tank Check the coolant level when the engine is stopped and cool 4 Illustration 24 g00285520 Cooling system filler cap Pressurized System Hot coolant can cause seri ous burns To open the cooling system filler cap stop the engine and wait until the cooling system components are cool Loosen the cooling system pressure cap slowly in order to relieve the pres sure 1 Remove the cooling system filler cap slowly in order
36. clean the terminals and the cable clamps Clean the items until the surfaces are bright or shiny DO NOT remove material excessively Excessive removal of material can cause the clamps to not fit correctly Coat the clamps and the terminals with a suitable silicone lubricant or petroleum jelly 6 Tape the cable connections in order to help prevent accidental starting 7 Proceed with necessary system repairs 8 In order to connect the battery connect the positive connection before the negative connector 102710742 Cooling System Coolant DEAC Change SMCS Code 1350 070 1395 044 Clean the cooling system and flush the cooling system before the recommended maintenance interval if the following conditions exist e The engine overheats frequently e Foaming is observed e The oil has entered the cooling system and the coolant is contaminated e The fuel has entered the cooling system and the coolant is contaminated NOTICE Use of commercially available cooling system clean ers may cause damage to cooling system compo nents Use only cooling system cleaners that are ap proved for Caterpillar engines Note Inspect the water pump and the water temperature regulator after the cooling system has been drained This is a good opportunity to replace the water pump the water temperature regulator and the hoses if necessary Drain Pressurized System Hot coolant can cause seri ous burns To open the cooling
37. filler cap is cool before removing the filler cap The filler cap must be cool enough to touch with a bare hand Remove the filler cap slowly in order to relieve pressure Cooling system conditioner contains alkali Alkali can cause personal injury Do not allow alkali to contact the skin the eyes or the mouth Oils Hot oil and hot lubricating components can cause personal injury Do not allow hot oil to contact the skin Also do not allow hot components to contact the skin Batteries Electrolyte is an acid Electrolyte can cause personal injury Do not allow electrolyte to contact the skin or the eyes Always wear protective glasses for servicing batteries Wash hands after touching the batteries and connectors Use of gloves is recommended 101372254 Fire Prevention and Explosion Prevention SMCS Code 1000 7405 I Illustration 9 g00704000 All fuels most lubricants and some coolant mixtures are flammable SEBU8327 11 Safety Section Fire Prevention and Explosion Prevention Flammable fluids that are leaking or spilled onto hot surfaces or onto electrical components can cause a fire Fire may cause personal injury and property damage A flash fire may result if the covers for the engine crankcase are removed within fifteen minutes after an emergency shutdown Determine whether the engine will be operated in an environment that allows combustible gases to be drawn into the air i
38. fuel Utilize heat from the jacket water system and the exhaust system when possible Keep cooling system components clean and keep cooling system components in good repair Never operate the engine without water temperature regulators All of these items will help maintain operating temperatures 30 SEBU8327 Operation Section Engine Stopping i02704619 Engine Stopping Stopping the Engine SMCS Code 1000 7000 NOTICE Stopping the engine immediately after it has been working under load can result in overheating and ac celerated wear of the engine components If the engine has been operating at high rpm and or high loads run at low idle for at least three minutes to reduce and stabilize internal engine temperature before stopping the engine Avoiding hot engine shutdowns will maximize tur bocharger shaft and bearing life Prior to stopping an engine that is being operated at low loads operate the engine at low idle for 30 seconds before stopping If the engine has been operating at highway speeds and or at high loads operate the engine at low idle for at least three minutes This procedure will cause the internal engine temperature to be reduced and stabilized Ensure that the engine stopping procedure is understood Stop the engine according to the shutoff system on the engine or refer to the instructions that are provided by the OEM e To stop the engine turn the keyswitch to the OFF position Emer
39. gala lalui 4 Safety fiale 4 Fuel and the Effect from Cold Weather 31 Fuel Conservation Practices 29 Fuel Injection Nozzles Test Exchange 59 Removal and Installation of the Fuel Injection NozziesSt n ocra facial 60 Fuel Related Components in Cold Weather 32 Euel Filters s corraini 32 Fuel Heaters nnn 32 FUG Tank 0 2 ton titer ie 32 Fuel Shutoff acces eee 24 Fuel System Prime 60 Fuel System Primary Filter Water Separator Dfa a e iii oli atid 61 Fuel System Secondary Filter Replace 61 Element filtett iena 62 Spion filter niere e eli 62 Fuel Tank Water and Sediment Drain 63 Drain the Water and the Sediment 64 Fuel Storage Tanks i 64 Fuel Tanken 22 bed iii ee a e 63 G Gauges and Indicators ereere 23 General Hazard Information nennen 7 Asbestos Information rnrn 9 Containing Fluid Spillage 9 Dispose of Waste Properly 10 Fluid Penetration renren 8 Pressurized Air and Water 8 H Hoses and Clamps Inspect Replace 64 Replace the Hoses and the Clamps 65 I Important Safety Information 2 L Lifting and Storage keieren er
40. has been relieved or personal injury may occur Do not disassemble any hydraulic components or parts until pressure has been relieved or personal injury may occur Refer to the OEM information for any procedures that are required to relieve the hydraulic pressure SEBU8327 9 Safety Section General Hazard Information Illustration 6 g00687600 Always use a board or cardboard when you check for a leak Leaking fluid that is under pressure can penetrate body tissue Fluid penetration can cause serious injury and possible death A pin hole leak can cause severe injury If fluid is injected into your skin you must get treatment immediately Seek treatment from a doctor that is familiar with this type of injury Containing Fluid Spillage Care must be taken in order to ensure that fluids are contained during performance of inspection maintenance testing adjusting and repair of the engine Prepare to collect the fluid with suitable containers before opening any compartment or disassembling any component that contains fluids Refer to Special Publication NENG2500 Dealer Service Tool Catalog for the following items e Tools that are suitable for collecting fluids and equipment that is suitable for collecting fluids e Tools that are suitable for containing fluids and equipment that is suitable for containing fluids Obey all local regulations for the disposal of liquids Asbestos Information Illustra
41. hours to determine Literature Information This manual contains safety operation instructions lubrication and maintenance information This manual should be stored in or near the engine area in a literature holder or literature storage area Read study and keep it with the literature and engine information English is the primary language for all Caterpillar publications The English used facilitates translation and consistency in electronic media delivery Some photographs or illustrations in this manual show details or attachments that may be different from your engine Guards and covers may have been removed for illustrative purposes Continuing improvement and advancement of product design may have caused changes to your engine which are not included in this manual Whenever a question arises regarding your engine or this manual please consult with your Caterpillar dealer for the latest available information Safety This safety section lists basic safety precautions In addition this section identifies hazardous warning situations Read and understand the basic precautions listed in the safety section before operating or performing lubrication maintenance and repair on this product Operation Operating techniques outlined in this manual are basic They assist with developing the skills and techniques required to operate the engine more efficiently and economically Skill and techniques develop as the operator gains
42. injury or death SEBU8327 Table of Contents Table of Contents Foreword i hibcelialu iaia ninni 4 Safety Section Safety Messages ii 6 General Hazard Information 7 Burn Prevention ii 10 Fire Prevention and Explosion Prevention 10 Crushing Prevention and Cutting Prevention 12 Mounting and Dismounting i 13 Before Starting Engine i 13 Engine Starting ERO 13 Engine Stopping esia a T A 14 Electrical System 14 Product Information Section Model VIEWS ii 15 Product Identification Information _ 19 Operation Section Lifting and Storage ii 22 Gauges and Indicators neeese 23 Features and Controls i 24 Engine Starting a inaa ae 25 Engine Operation i 28 Engine Stopping 30 Cold Weather Operation 31 Maintenance Section Refill Capacities neeese ee nenne rn nnnneeeeerene 33 Maintenance Interval Schedule 40 Warranty Section Warranty Information 73 Reference Information Section Engine Ratings RE 74 Customer Service eens 76 Reference Materials 78 Index Section 4 SEBU8327 Foreword Foreword Use fuel consumption or service
43. it is necessary to choose a single grease to use for all of the equipment at one site always choose a grease that satisfies the requirements of the most demanding application Do not use the cost per pound as the only factor when you choose a grease Use the grease that yields the lowest total cost of operation The cost analysis should include the following factors 36 Maintenance Section Refill Capacities SEBU8327 e Parts e Labor e Downtime e Cost of the grease Greases that barely meet the minimum performance requirements can be expected to barely produce the minimum life of the parts Note Take care when you change the type of grease Take care when you change to a different supplier of grease Some greases are not chemically compatible Some brands of grease can not be interchanged If you are in doubt about the compatibility of the old grease and the new grease purge all of the old grease from the joint Consult your supplier in order to determine if the greases are compatible Note All Caterpillar brand of greases are compatible with each other Note Refer to Special Publication SEBU6251 Caterpillar Commercial Diesel Engine Fluids Recommendations for additional information that relates to lubrication for your engine General Fuel Information Diesel fuels that meet the Caterpillar Specification for Distillate Diesel Fuel are recommended These fuels will help to provide maximum engine service lif
44. knowledge of the engine and its capabilities The operation section is a reference for operators Photographs and illustrations guide the operator through procedures of inspecting starting operating and stopping the engine This section also includes a discussion of electronic diagnostic information Maintenance The maintenance section is a guide to engine care The illustrated step by step instructions are grouped by fuel consumption service hours and or calendar time maintenance intervals Items in the maintenance schedule are referenced to detailed instructions that follow intervals Calendar intervals shown daily annually etc may be used instead of service meter intervals if they provide more convenient schedules and approximate the indicated service meter reading Recommended service should be performed at the appropriate intervals as indicated in the Maintenance Interval Schedule The actual operating environment of the engine also governs the Maintenance Interval Schedule Therefore under extremely severe dusty wet or freezing cold operating conditions more frequent lubrication and maintenance than is specified in the Maintenance Interval Schedule may be necessary The maintenance schedule items are organized for a preventive maintenance management program If the preventive maintenance program is followed a periodic tune up is not required The implementation of a preventive maintenance management program sho
45. motor if equipped is engaged Check electrical cables and check the battery for poor connections and for corrosion Reset all of the shutoffs or alarm components if equipped Check the engine lubrication oil level Maintain the oil level between the MIN mark and the MAX mark on the oil level gauge Check the coolant level Observe the coolant level in the coolant recovery tank if equipped Maintain the coolant level to the FULL mark on the coolant recovery tank If the engine is not equipped with a coolant recovery tank maintain the coolant level within 13 mm 0 5 inch of the bottom of the filler pipe If the engine is equipped with a sight glass maintain the coolant level in the sight glass Observe the air cleaner service indicator if equipped Service the air cleaner when the yellow diaphragm enters the red zone or when the red piston locks in the visible position Ensure that any driven equipment has been disengaged Minimize electrical loads or remove any electrical loads 26 Operation Section Engine Starting SEBU8327 102710653 Starting the Engine SMCS Code 1000 1450 Do not use aerosol types of starting aids such as ether Such use could result in an explosion and personal injury Refer to the OMM for your type of controls Use the following procedure to start the engine 1 If equipped move the throttle lever to the full throttle position before you start the engine
46. nozzle should be installed in the cylinder in order to determine if the removed fuel injection nozzle is worn and or faulty Removal and Installation of the Fuel Injection Nozzles For the removal and the installation of fuel injection nozzles special tooling is required Refer to the Service Manual for more information Consult your Caterpillar dealer for assistance 102677377 Fuel System Prime SMCS Code 1258 548 If air enters the fuel system the air must be purged from the fuel system before the engine can be started Air can enter the fuel system when the following events occur e The fuel tank is empty or the fuel tank has been partially drained e The low pressure fuel lines are disconnected e A leak exists in the low pressure fuel system e The fuel filter is replaced e A new injection pump is installed Use the following procedure in order to remove air from the fuel system 1 Remove the cover for the fuel injectors Refer to the Disassembly and Assembly Manual 2 Turn the ignition key to the RUN position Leave the ignition key in the RUN position for three minutes 3 Turn the ignition key to the OFF position g01003929 Illustration 37 Injector nuts Note Damage to the fuel injection pump to the battery and to the starting motor can occur if the starting motor is used excessively to purge the air from the fuel system 4 Loosen the f
47. of the engine Parts that may be affected include the following items main bearings rod bearings turbocharger bearings and cylinder heads Due to normal wear and friction it is not uncommon to find small amounts of debris in the oil filter Consult your Caterpillar dealer in order to arrange for a further analysis if an excessive amount of debris is found in the oil filter ef Illustration 34 901356034 2 Filter head 3 O ring seal 4 Union 3 Clean the sealing surface of the oil filter head 2 Ensure that the union 4 in the filter head is secure 4 Clean the sealing surface of the oil filter head 2 Ensure that the union 4 in the filter head is secure 58 Maintenance Section Engine Protective Devices Check SEBU8327 NOTICE Do not fill the oil filters with oil before installing them This oil would not be filtered and could be contaminat ed Contaminated oil can cause accelerated wear to engine components 5 Install the oil filter Tighten the oil filter by hand according to the instructions that are shown on the oil filter Do not overtighten the oil filter Note Some oil filters may be installed vertically Refer to illustration 35 Start at step 1 in order to remove the oil filter and install the oil filter Illustration 35 g01356074 Typical example Fill the Engine Crankcas
48. of the cylinder liners These failures can be avoided with proper cooling system maintenance Cooling system maintenance is as important as maintenance of the fuel system and the lubrication system Quality of the coolant is as important as the quality of the fuel and the lubricating oil Coolant is normally composed of three elements water additives and glycol Water NOTICE Never use water alone without Supplemental Coolant Additives SCA or without inhibited coolant Water alone is corrosive at engine operating temperatures Water alone does not provide adequate protection against boiling or freezing Water is used in the cooling system in order to transfer heat Distilled water or deionized water is recommended for use in engine cooling systems DO NOT use the following types of water in cooling systems hard water softened water that has been conditioned with salt and sea water If distilled water or deionized water is not available use water with the properties that are listed in Table 5 Table 5 Caterpillar Minimum Acceptable Water Requirements Property Maximum Limit ASTM Test 40 mg L D512 Chloride CI 2 4 grains US gal D4327 100 mg L Sulfate SO 5 9 grains US gal D516 170 mg L Total Hardness 10 grains US gal D1126 340 mg L Total Solids 20 grain US gal D1888 Acidity pH of 5 5 to 9 0 D1293 For a water
49. or drained completely to prevent damage NOTICE Frequently check the specific gravity of the coolant for proper freeze protection or for anti boil protection Clean the cooling system for the following reasons e Contamination of the cooling system e Overheating of the engine e Foaming of the coolant Note Air pockets can form in the cooling system if the cooling system is filled at a rate that is greater than 5 L 1 3 US gal per minute After you drain the cooling system and after you refill the cooling system operate the engine Operate the engine without the filler cap until the coolant reaches normal operating temperature and the coolant level stabilizes Ensure that the coolant is maintained to the proper level NOTICE Never operate an engine without water temperature regulators in the cooling system Water temperature regulators help to maintain the engine coolant at the proper operating temperature Cooling system prob lems can develop without water temperature regula tors Refer to Special Instruction SEBD0518 Know Your Cooling System and Special Instruction SEBD0970 Coolant and Your Engine for more detailed information SEBU8327 37 Maintenance Section Refill Capacities Many engine failures are related to the cooling system The following problems are related to cooling system failures overheating leakage of the water pump plugged radiators or heat exchangers and pitting
50. order to inspect the core for cleanliness Repeat the cleaning if necessary Inspect the fins for damage Bent fins may be opened with a comb Inspect these items for good condition welds mounting brackets air lines connections clamps and seals Make repairs if necessary For more detailed information on cleaning and inspection refer to Special Publication SEBD0518 Know Your Cooling System 100151038 Severe Service Application Check SMCS Code 1000 535 Severe service is an application of an engine that exceeds current published standards for that engine Caterpillar maintains standards for the following engine parameters Performance power range speed range and fuel consumption Fuel quality Altitude range Maintenance intervals Oil selection and maintenance Coolant selection and maintenance Environmental qualities SEBU8327 69 Maintenance Section Starting Motor Inspect e Installation Refer to the standards for the engine or consult with your Caterpillar dealer in order to determine if the engine is operating within the defined parameters Severe service operation can accelerate component wear Engines that operate under severe conditions may need more frequent maintenance intervals in order to ensure maximum reliability and retention of full service life Due to individual applications it is not possible to identify all of the factors which can contribute to severe
51. radiator Note Adjust the frequency of cleaning according to the effects of the operating environment Inspect the radiator for these items damaged fins corrosion dirt grease insects leaves oil and other debris Clean the radiator if necessary Personal injury can result from air pressure Personal injury can result without following prop er procedure When using pressure air wear a pro tective face shield and protective clothing Maximum air pressure at the nozzle must be less than 205 kPa 30 psi for cleaning purposes Pressurized air is the preferred method for removing loose debris Direct the air in the opposite direction of the fan s air flow Hold the nozzle approximately 6 mm 0 25 inch away from the fins Slowly move the air nozzle in a direction that is parallel with the tubes This will remove debris that is between the tubes Pressurized water may also be used for cleaning The maximum water pressure for cleaning purposes must be less than 275 kPa 40 psi Use pressurized water in order to soften mud Clean the core from both sides Use a degreaser and steam for removal of oil and grease Clean both sides of the core Wash the core with detergent and hot water Thoroughly rinse the core with clean water After cleaning start the engine and accelerate the engine to high idle rom This will help in the removal of debris and drying of the core Stop the engine Use a light bulb behind the core in
52. service operation Consult your Caterpillar dealer for the unique maintenance that is necessary for the engine The operating environment improper operating procedures and improper maintenance procedures can be factors which contribute to severe service conditions Environmental Factors Ambient temperatures The engine may be exposed to extended operation in extremely cold environments or hot environments Valve components can be damaged by carbon buildup if the engine is frequently started and stopped in very cold temperatures Extremely hot inlet air reduces engine performance Air Quality The engine may be exposed to extended operation in an environment that is dirty or dusty unless the equipment is cleaned regularly Mud dirt and dust can encase components Maintenance can be very difficult The buildup can contain corrosive chemicals Buildup Compounds elements corrosive chemicals and salt can damage some components Altitude Problems can arise when the engine is operated at altitudes that are higher than the intended settings for that application Necessary adjustments should be made Improper Operating Procedures e Extended operation at low idle e Frequent hot shutdowns e Operating at excessive loads e Operating at excessive speeds e Operating outside the intended application Improper Maintenance Procedures e Extending the maintenance intervals e Failure to use recommended fuel lubricants
53. system filler cap stop the engine and wait until the cooling system components are cool Loosen the cooling system pressure cap slowly in order to relieve the pres sure 1 Stop the engine and allow the engine to cool Loosen the cooling system filler cap slowly in order to relieve any pressure Remove the cooling system filler cap ye Illustration 22 2 Open the cooling system drain valve if equipped If the cooling system is not equipped with a drain valve remove the drain plug 1 Allow the coolant to drain NOTICE Dispose of used engine coolant properly or recycle Various methods have been proposed to reclaim used coolant for reuse in engine cooling systems The full distillation procedure is the only method acceptable by Caterpillar to reclaim the used coolant For information regarding the disposal and the recycling of used coolant consult your Caterpillar dealer or consult Dealer Service Tools Group Outside Illinois 1 800 542 TOOL Inside Illinois 1 800 541 TOOL Canada 1 800 523 TOOL 44 Maintenance Section Cooling System Coolant DEAC Change SEBU8327 Flush 1 Flush the cooling system with clean water in order to remove any debris 2 Close the drain valve if equipped Clean the drain plug 1 Install the drain plug Refer to Torque Specifications SENR3130 for more information on the correct torques NOTICE Do not fill the cooling sy
54. the United States use Occupational Safety and Health Administration OSHA requirements These OSHA requirements can be found in 29 CFR 1910 1001 e Obey environmental regulations for the disposal of asbestos Stay away from areas that might have asbestos particles in the air Dispose of Waste Properly Illustration 8 g00706404 Improperly disposing of waste can threaten the environment Potentially harmful fluids should be disposed of according to local regulations Always use leakproof containers when you drain fluids Do not pour waste onto the ground down a drain or into any source of water 101480768 Burn Prevention SMCS Code 1000 7405 Do not touch any part of an operating engine Allow the engine to cool before any maintenance is performed on the engine Relieve all pressure in the air system in the hydraulic system in the lubrication system in the fuel system or in the cooling system before any lines fittings or related items are disconnected Coolant When the engine is at operating temperature the engine coolant is hot The coolant is also under pressure The radiator and all lines to the heaters or to the engine contain hot coolant Any contact with hot coolant or with steam can cause severe burns Allow cooling system components to cool before the cooling system is drained Check the coolant level after the engine has stopped and the engine has been allowed to cool Ensure that the
55. to Disassembly and Assembly manual Alternator Belt Remove and Install 102322315 Battery Replace SMCS Code 1401 510 Batteries give off combustible gases which can explode A spark can cause the combustible gas es to ignite This can result in severe personal in jury or death Ensure proper ventilation for batteries that are in an enclosure Follow the proper procedures in or der to help prevent electrical arcs and or sparks near batteries Do not smoke when batteries are serviced 42 Maintenance Section Battery Electrolyte Level Check SEBU8327 The battery cables or the batteries should not be removed with the battery cover in place The bat tery cover should be removed before any servic ing is attempted Removing the battery cables or the batteries with the cover in place may cause a battery explosion resulting in personal injury Switch the engine to the OFF position Remove all electrical loads Turn off any battery chargers Disconnect any battery chargers The NEGATIVE cable connects the NEGATIVE battery terminal to the NEGATIVE terminal on the starting motor Disconnect the cable from the NEGATIVE battery terminal The POSITIVE cable connects the POSITIVE battery terminal to the POSITIVE terminal on the starting motor Disconnect the cable from the POSITIVE battery terminal Note Always recycle a b
56. used to perform the pressure test The correct pressure for the cooling system filler cap is stamped on the face of the cooling system filler cap If the cooling system filler cap does not retain the correct pressure obtain a new cooling system filler cap Install the cooling system filler cap 5 Start the engine Inspect the cooling system for leaks and for the correct operating temperature 102242512 Cooling System Coolant ELC Change SMCS Code 1350 070 1395 044 Clean the cooling system and flush the cooling system before the recommended maintenance interval if the following conditions exist e The engine overheats frequently e Foaming is observed e The oil has entered the cooling system and the coolant is contaminated e The fuel has entered the cooling system and the coolant is contaminated Note When the cooling system is cleaned only clean water is needed when the ELC is drained and replaced Note Inspect the water pump and the water temperature regulator after the cooling system has been drained This is a good opportunity to replace the water pump the water temperature regulator and the hoses if necessary Drain Pressurized System Hot coolant can cause seri ous burns To open the cooling system filler cap stop the engine and wait until the cooling system components are cool Loosen the cooling system pressure cap slowly in order to relieve the pres sure 1 Stop the engine and allow t
57. 00 070 Personal injury or death can result from high volt age Moisture can create paths of electrical conductiv ity Make sure that the electrical system is OFF Lock out the starting controls and tag the controls DO NOT OPERATE NOTICE Accumulated grease and oil on an engine is a fire haz ard Keep the engine clean Remove debris and fluid spills whenever a significant quantity accumulates on the engine NOTICE Failure to protect some engine components from washing may make your engine warranty invalid Allow the engine to cool for one hour before washing the engine Periodic cleaning of the engine is recommended Steam cleaning the engine will remove accumulated oil and grease A clean engine provides the following benefits e Easy detection of fluid leaks e Maximum heat transfer characteristics e Ease of maintenance Note Caution must be used in order to prevent electrical components from being damaged by excessive water when the engine is cleaned When a pressure washer or steam cleaner is used to clean the engine a minimum distance of 300 mm 12 inch must be maintained between the components of the engine and the jet nozzle of the pressure washer or steam cleaner Pressure washers and steam cleaners should not be directed at any electrical connectors or the junction of cables into the rear of the connectors Avoid electrical components such as the alternator and the starter Protect the fuel
58. 31 Storage Procedure For Caterpillar Products Your Caterpillar dealer can assist in preparing the engine for extended storage periods SEBU8327 23 Operation Section Gauges and Indicators Gauges and Indicators 102704606 Gauges and Indicators SMCS Code 1900 7450 Your engine may not have the same gauges or all of the gauges that are described For more information about the gauge package see the OEM information Gauges provide indications of engine performance Ensure that the gauges are in good working order Determine the normal operating range by observing the gauges over a period of time Noticeable changes in gauge readings indicate potential gauge or engine problems Problems may also be indicated by gauge readings that change even if the readings are within specifications Determine and correct the cause of any significant change in the readings Consult your Caterpillar dealer for assistance NOTICE If no oil pressure is indicated STOP the engine If maximum coolant temperature is exceeded STOP the engine Engine damage can result Engine Oil Pressure The oil pressure should be greatest after a cold engine is started The typical engine oil pressure with SAE10W30 is 207 to 413 kPa 30 to 60 psi at rated rpm A lower oil pressure is normal at low idle If the load is stable and the gauge reading changes perform the following procedure 1 Remove the load 2 Reduce engine speed t
59. 5 F 50 C 122 F Note Supplemental heat is recommended below the minimum recommended ambient temperature S O S Oil Analysis Caterpillar has developed a tool for maintenance management that evaluates oil degradation and the tool also detects the early signs of wear on internal components The Caterpillar tool for oil analysis is called S O S Oil Analysis and the tool is part of the S O S Services program S O S Oil Analysis divides oil analysis into three categories e Wear Analysis e Oil condition e Additional tests The wear analysis monitors metal particles some oil additives and some contaminants Oil condition uses infrared IR analysis to evaluate the chemistry of the oil Infrared analysis is also used to detect certain types of contamination Additional tests are used to measure contamination levels from water fuel or coolant Oil viscosity and corrosion protection can be evaluated as needed Refer to Special Publication SEBU6251 Caterpillar Commercial Diesel Engine Fluids Recommendations or contact your local Caterpillar dealer for additional information concerning the S O S Oil Analysis program Refill Capacities for the Lubrication System The refill capacities for the engine crankcase reflect the approximate capacity of the crankcase or sump plus standard oil filters Auxiliary oil filter systems will require additional oil Refer to the OEM specifications for the capacity
60. BU6251 Caterpillar Commercial Diesel Engine Fluids Recommendations for additional information that relates to lubrication for your engine Lubricant Viscosity Recommendations The proper SAE viscosity grade of oil is determined by the minimum ambient temperature during cold engine start up and the maximum ambient temperature during engine operation Refer to Table 3 minimum temperature in order to determine the required oil viscosity for starting a cold engine Refer to Table 3 maximum temperature in order to select the oil viscosity for engine operation at the highest ambient temperature that is anticipated Note Generally use the highest oil viscosity that is available to meet the requirement for the temperature at start up SEBU8327 35 Maintenance Section Refill Capacities If ambient temperature conditions at engine start up require the use of multigrade SAE OW oil SAE OW 40 viscosity grade is preferred over SAE OW 20 or SAE 0W 30 Table 3 Engine Oil Viscosities for Ambient Temperatures Ambient Temperature Viscosity Grade Minimum Maximum SAE 0W 20 40 C 40 F 10 C 50 F SAE 0W 30 40 C 40 F 30 C 86 F SAE 0W 40 40 C 40 F 40 C 104 F SAE 5W 30 30 C 22 F 30 C 86 F SAE 5W 40 30 C 22 F 50 C 122 F SAE 10W 30 18 C 0 F 40 C 104 F SAE 10W 40 18 C 0 F 50 C 122 F SAE 15W 40 9 5 C 1
61. CATERPILLAR iy 2007 Operation and Maintenance Manual C4 4 Mech Industrial Engine 4461 Up Engine 101658146 Important Safety Information Most accidents that involve product operation maintenance and repair are caused by failure to observe basic safety rules or precautions An accident can often be avoided by recognizing potentially hazardous situations before an accident occurs A person must be alert to potential hazards This person should also have the necessary training skills and tools to perform these functions properly Improper operation lubrication maintenance or repair of this product can be dangerous and could result in injury or death Do not operate or perform any lubrication maintenance or repair on this product until you have read and understood the operation lubrication maintenance and repair information Safety precautions and warnings are provided in this manual and on the product If these hazard warnings are not heeded bodily injury or death could occur to you or to other persons The hazards are identified by the Safety Alert Symbol and followed by a Signal Word such as DANGER WARNING or CAUTION The Safety Alert WARNING label is shown below The meaning of this safety alert symbol is as follows Attention Become Alert Your Safety is Involved The message that appears under the warning explains the hazard and can be either written or pictorially presented
62. Illustration 39 g01353856 1 Filter bowl 2 Drain 1 Close the valves for the fuel lines if equipped 2 Clean the outside of the fuel filter assembly Open the fuel drain 2 and drain the fuel into a suitable container Illustration 40 g01353857 3 Filter head 4 Element 5 O ring seal 3 Remove the filter bowl 1 from the filter head 3 Press on the element 4 Rotate the element counterclockwise in order to release the element for the filter bowl and remove the element from the bowl Discard the used element 4 Remove the O ring 5 from the filter bowl and clean the filter bowl Check that the threads of the filter bowl are not damaged 5 Install a new O ring seal 5 to the filter bowl 1 6 Locate a new filter element 4 into the filter bowl 1 Press on the element and rotate the element clockwise in order to lock the element into the filter bowl 7 Install the filter bowl 1 into the top of the filter head 3 8 Tighten the filter bowl by hand until the filter bowl contacts the filter head Rotate the filter bowl through 90 degrees Note Do not use a tool to tighten the filter bowl 9 Open the valves for the fuel lines if equipped Spin on filter Turn the valves for the fuel lines if equipped to the OFF position before performing this maintenance Place a tray under the fuel filter in order to catch any fuel that might spill Clean up any spilled fuel immediately
63. Part ee Number Description Size 1U 5490 Hydrosolv4165 19L 5 US gal 1U 5492 Hydrosolv100 19 L 5 US gallon 4 Use steam to clean the oil cooler core This removes any remaining residue from the cleaner Flush the fins of the oil cooler core Remove any other trapped debris 5 Wash the oil cooler core with hot soapy water Rinse the oil cooler core thoroughly with clean water Personal injury can result from air pressure Personal injury can result without following prop er procedure When using pressure air wear a pro tective face shield and protective clothing Maximum air pressure at the nozzle must be less than 205 kPa 30 psi for cleaning purposes 6 Dry the oil cooler core with compressed air Direct the air in the reverse direction of the normal flow 7 Inspect the components in order to ensure cleanliness The oil cooler core should be pressure tested Repair the oil cooler core if necessary Install the oil cooler core For more information about cleaning the cores consult your Caterpillar dealer Obtain Coolant Analysis The concentration of supplemental coolant additive SCA should be checked regularly with test kits or with S O S Coolant Analysis Level 1 Further coolant analysis is recommended when the engine is overhauled For example considerable deposits are found in the water jacket areas on the external cooling system but the concentrations of coolant additive
64. Practices SMCS Code 1000 1250 The efficiency of the engine can affect the fuel economy Caterpillar s design and technology in manufacturing provides maximum fuel efficiency in all applications Follow the recommended procedures in order to attain optimum performance for the life of the engine e Avoid spilling fuel Fuel expands when the fuel is warmed up The fuel may overflow from the fuel tank Inspect fuel lines for leaks Repair the fuel lines as needed e Be aware of the properties of the different fuels Use only the recommended fuels Refer to the Operations and Maintenance Manual Fuel Recommendations for further information e Avoid unnecessary idling Shut off the engine rather than idle for long periods of time e Observe the service indicator frequently Keep the air cleaner elements clean Ensure that the turbocharger is operating correctly so that the proper air fuel ratio is maintained Clean exhaust indicates proper functioning e Maintain a good electrical system One faulty battery cell will overwork the alternator This will consume excess power and excess fuel e Ensure that the belts are properly adjusted The belts should be in good condition Refer to the Specifications manual for further information Ensure that all of the connections of the hoses are tight The connections should not leak Ensure that the driven equipment is in good working order e Cold engines consume excess
65. all connections to the rec ommended torque Check for the following conditions e End fittings that are damaged or leaking e Outer covering that is chafed or cut e Exposed wire that is used for reinforcement e Outer covering that is ballooning locally e Flexible part of the hose that is kinked or crushed e Armoring that is embedded in the outer covering A constant torque hose clamp can be used in place of any standard hose clamp Ensure that the constant torque hose clamp is the same size as the standard clamp Due to extreme temperature changes the hose will heat set Heat setting causes hose clamps to loosen This can result in leaks A constant torque hose clamp will help to prevent loose hose clamps Each installation application can be different The differences depend on the following factors e Type of hose e Type of fitting material e Anticipated expansion and contraction of the hose SEBU8327 65 Maintenance Section Overhaul Considerations e Anticipated expansion and contraction of the fittings Replace the Hoses and the Clamps Pressurized System Hot coolant can cause seri ous burns To open the cooling system filler cap stop the engine and wait until the cooling system components are cool Loosen the cooling system pressure cap slowly in order to relieve the pres sure 1 Stop the engine Allow the engine to cool 2 Loosen the cooling system filler cap slowly in order to relieve any press
66. and Engine Alarms 24 Obelisco iaia 48 Ala S einar T 24 Cooling System Supplemental Coolant Additive SMULOTS E E EE at 24 SCA Test Add i 48 Testing the Shutoff and Alarm System 24 Add the SCA If Necessary 49 Engine Starting E 13 25 S 0 S Coolant AnNalySiS ee 49 Engine Stopping i 14 30 Test for SCA Concentration 48 Engine Valve Lash Inspect Adjust 59 Cooling System Water Temperature Regulator Engine Warm Up 28 Replace siboimro noie eci 49 Crankcase Breather Canister Replace 50 Crushing Prevention and Cutting Prevention 12 F Customer Assistance renerne 76 Outside of the USA and of Canada 76 Features and CONtrolSs 24 USA and Canada i ii iaia dolci 76 SEBU8327 83 Index Section Fire Prevention and Explosion Prevention 10 Ether rari EV A es A ani 12 Fire Extinguisher iii 12 Lines Tubes and Hoses 12 Foreword fliola ea Alois 5 California Proposition 65 Warning 5 Literature Information neeese renr reene 4 Maintenance rrenen 4 Maintenance IntervalSs ereere 4 Operation cists cite pr Arie adie artes vies 4 Overhaul 1 00
67. ared to collect the fluid with suitable containers before opening any compartment or disassembling any com ponent containing fluids Dispose of all fluids according to local regulations and mandates Fuel Tank Fuel quality is critical to the performance and to the service life of the engine Water in the fuel can cause excessive wear to the fuel system 64 SEBU8327 Maintenance Section Hoses and Clamps Inspect Replace Water can be introduced into the fuel tank when the 102705980 fuel tank is being filled Condensation occurs during the heating and cooling of fuel The condensation occurs as the fuel passes through the fuel system and the fuel returns to the fuel tank This causes water to accumulate in fuel tanks Draining the fuel tank regularly and obtaining fuel from reliable sources can help to eliminate water in the fuel Drain the Water and the Sediment Fuel tanks should contain some provision for draining water and draining sediment from the bottom of the fuel tanks Open the drain valve on the bottom of the fuel tank in order to drain the water and the sediment Close the drain valve Check the fuel daily Allow five minutes after the fuel tank has been filled before draining water and sediment from the fuel tank Fill the fuel tank after operating the engine in order to drive out moist air This will help prevent condensation Do not fill the tank to the top The fuel expands as the fuel gets warm Th
68. art the engine according to the procedure that is described in the Operation and Maintenance Manual Engine Starting topic in the Operation Section Knowing the correct procedure will help to prevent major damage to the engine components Knowing the procedure will also help to prevent personal injury To ensure that the jacket water heater if equipped and or the lube oil heater if equipped is working correctly check the water temperature gauge and or the oil temperature gauge during the heater operation Engine exhaust contains products of combustion which can be harmful to your health Always start the engine and operate the engine in a well ventilated area If the engine is started in an enclosed area vent the engine exhaust to the outside 14 Safety Section Engine Stopping SEBU8327 Note The engine is equipped with a device for cold starting If the engine will be operated in very cold conditions then an extra cold starting aid may be required Normally the engine will be equipped with the correct type of starting aid for your region of operation These engines are equipped with a glow plug starting aid in each individual cylinder that heats the intake air in order to improve starting 102707233 Engine Stopping SMCS Code 1000 Stop the engine according to the procedure in the Operation and Maintenance Manual Engine Stopping Operation Section in order to avoid overheating of the engine and accel
69. aterpillar Diesel Engine Oils DEO CH 4 North America Special Publication PEHP9536 Data Sheet Caterpillar Diesel Engine Oil DEO CF 4 International only Special Publication NEDG6022 Cat Lubricating Grease Special Publication PEHP0002 Data Sheet Molybdenum MPGM Grease Special Publication NEHP6015 Data Sheet Caterpillar Special Purpose Grease SPG Special Publication SEBD0640 Oil and Your Engine e Operation and Maintenance Manual SEBU5898 Cold Weather Recommendations e Operation and Maintenance Manual SEBU6251 Caterpillar Commercial Diesel Engine Fluids Recomendations Special Publication PEHP6001 How To Take A Good Oil Sample Fuels e Special Publication SEBD0717 Diesel Fuels and Your Engine Coolants e Special Publication PEHP4036 Data Sheet Extended Life Coolant e Special Publication PEHP7057 Data Sheet S O S Coolant Analysis e Special Publication SEBD0518 Know Your Cooling System e Special Publication SEBD0970 Coolant and Your Engine e Label PEEP5027 Extended Life Coolant Antifreeze Miscellaneous e Service Manual REG1139F Service Manual Contents Microfiche e Service Manual KENR6217 C4 4 Industrial Engines Systems Operation Testing and Adjusting RENR9965 C4 4 Industrial Engines Specifications RENR9961 C4 4 Industrial Engines
70. ation 31 Engine Cooling and Lubrication 18 Cold Weather Starting i 26 Engine Service Life i 18 Cooling System Coolant DEAC Change 43 Engine Specifications ii 18 Cooling Systems with Heavy Deposits or Engine Mounts INSpect 55 Plugg eaa aa iai 44 Engine Oil and Filter Change 56 DRAM raz eroina ina 43 Drain the Engine Oll ee 57 Billa deal en ans 44 Fill the Engine Crankcase 58 FIUSA iii 44 Replace the Spin on Oil Filter 57 Cooling System Coolant ELC Change 45 Engine Oil Level Check i 55 Dranispafli aliante E E 45 Engine Oil Sample Obtain 56 Eilat 46 Obtain the Sample and the Analysis 56 LUSH inet fice dici sai iii 45 Engine Operation eee esneeeeeeeeeeeeeeeeeenee 28 Cooling System Coolant Level Check 46 Engine Protective Devices Check 58 Engines With a Coolant Recovery Tank 46 Visual Inspection ii 59 Engines Without a Coolant Recovery Tank 47 Engine Rating Conditions 74 Cooling System Coolant Sample Level 1 Engine Rating Definitions ce ceeeeeeeeeeeeees 74 ODN 2 foes eni 47 Engine Ratings i 74 Cooling System Coolant Sample Level 2 Engine Shutoffs
71. attery Never discard a battery Dispose of used batteries to an appropriate recycling facility 5 6 Remove the used battery Install the new battery Note Before the cables are connected ensure that the engine start switch is OFF 7 Connect the cable from the starting motor to the POSITIVE battery terminal Connect the NEGATIVE cable to the NEGATIVE battery terminal 102710765 Battery Electrolyte Level Check SMCS Code 1401 535 When the engine is not run for long periods of time or when the engine is run for short periods the batteries may not fully recharge Ensure a full charge in order to help prevent the battery from freezing If batteries are properly charged ammeter reading should be very near zero when the engine is in operation AII lead acid batteries contain sulfuric acid which can burn the skin and clothing Always wear a face shield and protective clothing when working on or near batteries 1 Remove the filler caps Maintain the electrolyte level to the FULL mark on the battery If the addition of water is necessary use distilled water If distilled water is not available use clean water that is low in minerals Do not use artificially softened water 2 Check the condition of the electrolyte with the 245 5829 Coolant Battery Tester Refractometer 3 Keep the batteries clean Clean the battery case with one of the following cleaning solutions e
72. ature Regulators Install for the replacement procedure of the water temperature regulator or consult your Caterpillar dealer Note If only the water temperature regulators are replaced drain the coolant from the cooling system to a level that is below the water temperature regulator housing 102711635 Crankcase Breather Canister Replace SMCS Code 1317 510 NOTICE Ensure that the engine is stopped before any servicing or repair is performed Note This breather assembly is not installed on all engines Illustration 25 901350307 Typical example 1 Place a container under the canister 1 2 Clean the outside of the canister Remove the canister with a 1U 8760 Chain Wrench 3 Lubricate the O ring seal 2 on the new canister 3 with clean engine lubricating oil Install the new canister Tighten the canister to 12 N m 8 lb ft Do not overtighten the canister 4 Remove the container Dispose of the old canister and any split oil in a safe place 100174798 Driven Equipment Check SMCS Code 3279 535 Refer to the OEM specifications for more information on the following maintenance recommendations for the driven equipment e Inspection e Adjustment e Lubrication e Other maintenance recommendations Perform any maintenance for the driven equipment which is recommended by the OEM SEBU8327 51 Maintenance Section Engine Clean i02708606 Engine Clean SMCS Code 10
73. board or cardboard to check for leaks Tighten all connections to the recommended torque Replace the parts if any of the following conditions are present End fittings are damaged or leaking Outer coverings are chafed or cut Wires are exposed Outer coverings are ballooning Flexible part of the hoses are kinked Outer covers have embedded armoring End fittings are displaced Make sure that all clamps guards and heat shields are installed correctly During engine operation this will help to prevent vibration rubbing against other parts and excessive heat 101359666 Crushing Prevention and Cutting Prevention SMCS Code 1000 7405 Support the component properly when work beneath the component is performed Unless other maintenance instructions are provided never attempt adjustments while the engine is running Stay clear of all rotating parts and of all moving parts Leave the guards in place until maintenance is performed After the maintenance is performed reinstall the guards Keep objects away from moving fan blades The fan blades will throw objects or cut objects When objects are struck wear protective glasses in order to avoid injury to the eyes Chips or other debris may fly off objects when objects are struck Before objects are struck ensure that no one will be injured by flying debris SEBU8327 13 Safety Section Mounting and Dismounting 101372247 Mounting and Dismoun
74. by interpreting the wear patterns on the following components e Rod bearing SEBU8327 67 Maintenance Section Overhaul Considerations e Main bearings Inspect the camshaft for damage to the journals and to the lobes Note If the camshaft is removed for any reason use the magnetic particle inspection process to check for cracks in the camshaft Inspect the following components for signs of wear or for signs of scuffing e Camshaft bearings e Lifters Caterpillar Inc recommends replacing the crankshaft vibration damper Oil Cooler Core During an overhaul Caterpillar Inc recommends the removal of the oil cooler core Clean the oil cooler core Then pressure test the oil cooler core NOTICE Do not use caustic cleaners to clean the core Caustic cleaners can attack the internal metals of the core and cause leakage Note Use this cleaning procedure to clean the oil cooler core 1 Remove the oil cooler core 2 Remove any debris from the oil cooler core To remove debris from the oil cooler core turn the oil cooler core onto one end 3 Flush the oil cooler core internally with cleaner in order to loosen foreign substances This will also help to remove oil from the oil cooler core Note Caterpillar Inc recommends the use of Hydrosolv Liquid Cleaners Table 11 lists the Hydrosolv Liquid Cleaners that are available from your Caterpillar dealer Table 11 Hydrosolv Liquid Cleaners
75. can be obtained from the following locations local technological society local library and local college If necessary consult EMA at the following address Engine Manufacturers Association Two North LaSalle Street Suite 2200 Chicago Illinois USA 60602 E mail ema enginemanufacturers org 312 827 8700 Facsimile 312 827 8737 The Society of Automotive Engineers SAE Specifications can be found in your SAE handbook This publication can also be obtained from the following locations local technological society local library and local college If necessary consult SAE at the following address SAE International 400 Commonwealth Drive Warrendale PA USA 15096 0001 Telephone 724 776 4841 The American Petroleum Institute Publication No 1509 can be obtained from the following locations local technological society local library and local college If necessary consult API at the following address American Petroleum Institute 1220 L St N W Washington DC USA 20005 Telephone 202 682 8000 The International Organization for Standardization ISO offers information and customer service regarding international standards and standardizing activities ISO can also supply information on the following subjects that are not controlled by ISO national standards regional standards regulations certification and related activities Consult the member of ISO in your country International Organizati
76. ceed this limit can cause power loss and potential engine damage 102704604 Fuel and the Effect from Cold Weather SMCS Code 1000 1250 Note Only use grades of fuel that are recommended by Caterpillar Refer to this Operation and Maintenance Manual Fluid Recommendations The following fuels can be used in this series of engine e Group 1 e Group 2 e Group 3 e Special Fuels Caterpillar prefer only Group 1 and Group 2 fuels for use in this series of engines Group 1 fuels are the preferred Group of Fuels for general use by Caterpillar Group 1 fuels maximize engine life and engine performance Group 1 fuels are usually less available than Group 2 fuels Frequently Group 1 fuels are not available in colder climates during the winter Note Group 2 fuels must have a maximum wear scar of 650 micrometers HFRR to ISO 12156 1 Group 2 fuels are considered acceptable for issues of warranty This group of fuels may reduce the life of the engine the engine s maximum power and the engine s fuel efficiency When Group 2 diesel fuels are used the following components provide a means of minimizing problems in cold weather e Glow plugs if equipped e Engine coolant heaters which may be an OEM option e Fuel heaters which may be an OEM option e Fuel line insulation which may be an OEM option There are three major differences between Group 1 fuels and Group 2 fuels Group 1 fuels have the following diff
77. cent of time at full throttle The definitions also identify the corresponding times below rated rpm Note The examples of the applications are only for reference For an exact determination of the appropriate rating follow the OEM specifications or consult your Caterpillar dealer A Rating This rating is used for heavy duty applications that are operated at rated load and at rated rom up to 100 percent This rating is used for engines that operate without interruption of load cycling Typical applications include the following examples pipeline pumping and ventilation B Rating This rating is used when power and or rpm are cyclic The engine should be run at full load The engine should not exceed 80 percent of the duty cycle Typical applications include the following examples irrigation operation where normal pump demand is 85 percent of the engine rating oil pumping drilling field mechanical pumping drilling and stationary plant air compressors C Rating This rating is used when power and or rpm are cyclic The horsepower and the rpm of the engine can be utilized continuously for one hour This is followed by one hour of operation at the A rating or below the A rating The engine should be run at full load The engine should not exceed 50 percent of the duty cycle Typical applications include the following examples agricultural tractors harvesters and combines off highway trucks fire pumps blast hole drills r
78. cessary Refer to Special Instruction SEHS7292 for using the 8S 2245 Injector Cleaning Tool Gp Consult your Caterpillar dealer about cleaning the fuel injection nozzle and testing the fuel injection nozzle NOTICE Never wire brush or scrape a fuel injection nozzle Wire brushing or scraping a fuel injection nozzle will damage the finely machine orifice Proper tools for cleaning and testing the fuel injection nozzles can be obtained from Caterpillar dealers The following items are symptoms of a malfunction of the fuel injection nozzle e Abnormal engine operation e Smoke emission e Engine knock Each fuel injection nozzle must be isolated one at a time in order to determine the malfunctioning fuel injection nozzle 1 Start the engine 60 Maintenance Section Fuel System Prime SEBU8327 2 Loosen each fuel line nut one at a time at the fuel injection pump A cloth or similar material must be used in order to prevent fuel from spraying on the hot exhaust components Tighten each nut before loosening the next nut 3 Worn fuel injection nozzles or faulty fuel injection nozzles may be identified when a fuel line nut is loosened and the following conditions are present e The exhaust smoke is partially eliminated or the exhaust smoke is completely eliminated e Engine performance is not affected A fuel injection nozzle that is suspected of being worn and or faulty should be removed A new fuel injection
79. compliance with the following standard ambient air conditions of SAE J1349 e 99 kPa 29 3 inches of Hg e 30 percent relative humidity e A temperature of 25 C 77 F Ratings relate to the standard conditions of ISO8665 of ISO3046 1 of DIN6271 and of BS5514 The engine ratings are based on the following fuel specifications e Low heat value LHV of the fuel of 42 780 kJ kg 18 390 Btu lb at 29 C 84 F e Gravity API of 35 degrees at 15 C 60 F e Specific gravity of 849 at 15 C 60 F e Density of 850 kg m 7 085 Ib US gal The engine ratings are gross output ratings Gross Output Ratings The total output capability of the engine that is equipped with standard accessories Standard accessories include the following components e Oil pumps e Fuel pumps e Water pumps Subtract the power that is required to drive auxiliary components from the gross output This will produce the net power that is available for the external load flywheel Engine Rating Definitions SMCS Code 1000 It is important to know the use of the engine so that the rating will match the operating profile The proper rating selection is also important so that the customer s perception of price and value is realized In selecting a rating for a specific application the most important consideration is the time that is spent at full throttle These rating definitions identify the per
80. coolant are tested Glycol concentration for freeze protection and boil protection Ability to protect from erosion and corrosion e pH Conductivity Visual analysis Odor analysis The results are reported and appropriate recommendations are made Refer to the Maintenance Interval Schedule in this Operation and Maintenance Manual Cooling System Coolant Sample Level 1 Obtain for a sampling location and the maintenance interval for collecting the coolant samples S O S Coolant Analysis Level 2 SEBU8327 39 Maintenance Section Refill Capacities A coolant analysis Level 2 is a comprehensive chemical evaluation of the coolant This analysis is also a check of the overall condition of the inside of the cooling system The S O S Coolant Analysis has the following features e Full coolant analysis Level 1 Identification of the source of metal corrosion and of contaminants e Water hardness Identification of buildup of the impurities that cause corrosion Identification of buildup of the impurities that cause scaling The results are reported and appropriate recommendations are made Refer to the Maintenance Interval Schedule in this Operation and Maintenance Manual Cooling System Coolant Sample Level 2 Obtain for a sampling location and the maintenance interval for collecting the coolant samples Testing the engine coolant is important to ensure that the engine is protected fr
81. d Filter Change SMCS Code 1318 510 1348 044 Hot oil and hot components can cause personal injury Do not allow hot oil or hot components to contact the skin Do not drain the oil when the engine is cold As the oil cools suspended waste particles settle on the bottom of the oil pan The waste particles are not removed with the draining cold oil Drain the crankcase with the engine stopped Drain the crankcase with the oil warm This draining method allows the waste particles that are suspended in the oil to be drained properly Failure to follow this recommended procedure will cause the waste particles to be recirculated through the engine lubrication system with the new oil SEBU8327 57 Maintenance Section Engine Oil and Filter Change Drain the Engine Oil z zeal a A M YING ei Illustration 33 901356033 Oil drain plug After the engine has been run at the normal operating temperature stop the engine Use one of the following methods to drain the engine crankcase oil e Ifthe engine is equipped with a drain valve turn the drain valve knob counterclockwise in order to drain the oil After the oil has drained turn the drain valve knob clockwise in order to close the drain valve e If the engine is not equipped with a drain valve remove the oil drain plug 1 in order to allow the oil to drain If the engine is equipped with a shallow sump remove th
82. e 1 Remove the oil filler cap Refer to the Operation and Maintenance Manual for more information on lubricant specifications Fill the crankcase with the proper amount of oil Refer to the Operation and Maintenance Manual for more information on refill capacities NOTICE If equipped with an auxiliary oil filter system or a re mote oil filter system follow the OEM or filter manu facturer s recommendations Under filling or overfilling the crankcase with oil can cause engine damage NOTICE To prevent crankshaft bearing damage crank the en gine with the fuel OFF This will fill the oil filters before starting the engine Do not crank the engine for more than 30 seconds 2 Start the engine and run the engine at LOW IDLE for two minutes Perform this procedure in order to ensure that the lubrication system has oil and that the oil filters are filled Inspect the oil filter for oil leaks 3 Stop the engine and allow the oil to drain back to the sump for a minimum of ten minutes lt ie Illustration 36 901165836 Y MIN mark X MAX mark 4 Remove the oil level gauge in order to check the oil level Maintain the oil level between the MIN and MAX marks on the oil level gauge 100626013 Engine Protective Devices Check SMCS Code 7400 535 Alarms and shutoffs must function properly Alarms provide timely warning to the operator Shutoffs help to pr
83. e and performance In North America diesel fuel that is identified as No 1 D or No 2 D in ASTM D975 generally meet the specifications Diesel fuels from other sources could exhibit detrimental properties that are not defined or controlled by this specification NOTICE Operating with fuels that do not meet Caterpillar s rec ommendations can cause the following effects start ing difficulty poor combustion deposits in the fuel in jectors reduced service life of the fuel system de posits in the combustion chamber and reduced ser vice life of the engine Note Refer to Special Publication SEBU6251 Caterpillar Commercial Diesel Engine Fluids Recommendations for the Caterpillar Specification for distillate fuel and for additional information that relates to fuel for your engine Refill Capacities for the Fuel System Refer to the Operation and Maintenance Manual that is provided by the OEM for capacities of the fuel system General Coolant Information NOTICE These recommendations are subject to change with out notice Contact your local Caterpillar dealer for the most up to date fluids recommendations NOTICE Never add coolant to an overheated engine Engine damage could result Allow the engine to cool first NOTICE If the engine is to be stored in or shipped to an area with below freezing temperatures the cooling system must be either protected to the lowest outside temper ature
84. e bottom oil drain plugs from both ends of the oil pan After the oil has drained the oil drain plugs should be cleaned and installed If necessary renew the O ring seal on the drain plug Some types of oil pans have oil drain plugs that are on both sides of the oil pan because of the shape of the pan This type of oil pan requires the engine oil to be drained from both plugs Replace the Spin on Oil Filter NOTICE Caterpillar oil filters are built to Caterpillar speci fications Use of an oil filler not recommended by Caterpillar could result in severe engine damage to the engine bearings crankshaft etc as a result of the larger waste particles from unfiltered oil entering the engine lubricating system Only use oil filters recommended by Caterpillar 1 Remove the oil filter with a 1U 8760 Chain Wrench Note The following actions can be carried out as part of the preventive maintenance program 2 Cut the oil filter open with a 175 7546 Oil Filter Cutter Gp Break apart the pleats and inspect the oil filter for metal debris An excessive amount of metal debris in the oil filter may indicate early wear or a pending failure Use a magnet to differentiate between the ferrous metals and the nonferrous metals that are found in the oil filter element Ferrous metals may indicate wear on the steel and cast iron parts of the engine Nonferrous metals may indicate wear on the aluminum parts brass parts or bronze parts
85. e eener nnr rrner nenene 33 Refill Capacities and Recommendations 33 Coolant Recommendations 38 Engine Ol lA ria teint ees 33 General Coolant Information 36 General Fuel Information cece eee eee 36 Lubricating Grease eeeerreteeeeeeeeees 35 Refill Capacity of the Cooling System 39 S O S Coolant AnalySiS i 38 S Safety Messages cruris 6 1 Universal Warning i 6 2 Ether oteian i air eden ca 7 84 Index Section SEBU8327 Safety Sectio pian 6 Severe Service Application Check 68 Environmental Factors nenne 69 Improper Maintenance Procedures 69 Improper Operating Procedures 69 Starting Motor INSpect 69 Starting the Engine 26 Starting with Jump Start Cables 27 Stopping the Engine 30 T Table of Contents 3 Turbocharger Inspect i 69 Inspectinig ia iraniani 70 Removal and Installation eenaa 70 V V Belts Inspect Adjust Replace 70 Adjustment eia e E aa 71 Inspection eei a a neat edt 70 AlE E a EEE E see Sears EEE 71 W Walk Around Inspection 71 Inspect the Engine for Leaks and for Loose Connections
86. e filtered dry air with a maximum pressure of 207 kPa 30 psi Pressurized air will not remove deposits of carbon and oil Illustration 27 g00281692 Note When the primary air cleaner elements are cleaned always begin with the clean side inside in order to force dirt particles toward the dirty side outside Aim the air hose so that air flows along the length of the filter Follow the direction of the paper pleats in order to prevent damage to the pleats Do not aim the air directly at the face of the paper pleats Note Refer to Inspecting the Primary Air Cleaner Elements Vacuum Cleaning Vacuum cleaning is a good method for removing accumulated dirt from the dirty side outside of a primary air cleaner element Vacuum cleaning is especially useful for cleaning primary air cleaner elements which require daily cleaning because of a dry dusty environment Cleaning from the clean side inside with pressurized air is recommended prior to vacuum cleaning the dirty side outside of a primary air cleaner element Note Refer to Inspecting the Primary Air Cleaner Elements Inspecting the Primary Air Cleaner Elements Illustration 28 g00281693 Inspect the clean dry primary air cleaner element Use a 60 watt blue light in a dark room or in a similar facility Place the blue light in the primary air cleaner element Rotate the primary air cleaner element Inspect the primary air cleaner eleme
87. e gauges during the warm up period 8 Turn the engine start switch to the OFF position in order to stop the engine SEBU8327 27 Operation Section Engine Starting 102344933 Starting with Jump Start Cables SMCS Code 1000 1401 1402 1900 Improper jump start cable connections can cause an explosion resulting in personal injury Prevent sparks near the batteries Sparks could cause vapors to explode Do not allow jump start cable ends to contact each other or the engine If the installation is not equipped with a backup battery system it may be necessary to start the engine from an external electrical source For information on troubleshooting the charging system refer to Special Instruction REHS0354 Charging System Troubleshooting Many batteries which are considered unusable are still rechargeable After jump starting the alternator may not be able to fully recharge batteries that are severely discharged The batteries must be charged to the proper voltage with a battery charger For information on testing and charging refer to the Special Instruction SEHS7633 Battery Test Procedure NOTICE Using a battery source with the same voltage as the electric starting motor Use ONLY equal voltage for jump starting The use of higher voltage will damage the electrical system Do not reverse the battery cables The alternator can be damaged Attach ground cable last and remove first When
88. e tank may overflow Some fuel tanks use supply pipes that allow water and sediment to settle below the end of the fuel supply pipe Some fuel tanks use supply lines that take fuel directly from the bottom of the tank If the engine is equipped with this system regular maintenance of the fuel system filter is important Fuel Storage Tanks Drain the water and the sediment from the fuel storage tank at the following intervals e Weekly e Service intervals e Refill of the tank This will help prevent water or sediment from being pumped from the storage tank into the engine fuel tank If a bulk storage tank has been refilled or moved recently allow adequate time for the sediment to settle before filling the engine fuel tank Internal baffles in the bulk storage tank will also help trap sediment Filtering fuel that is pumped from the storage tank helps to ensure the quality of the fuel When possible water separators should be used Hoses and Clamps Inspect Replace SMCS Code 7554 040 7554 510 Inspect all hoses for leaks that are caused by the following conditions e Cracking e Softness e Loose clamps Replace hoses that are cracked or soft Tighten any loose clamps NOTICE Do not bend or strike high pressure lines Do not in stall bent or damaged lines tubes or hoses Repair any loose or damaged fuel and oil lines tubes and hoses Leaks can cause fires Inspect all lines tubes and hoses carefully Tighten
89. eak coolant lube or fuel clean up the fluid If leaking is observed find the source and correct the leak If leaking is suspected check the fluid levels more often than recommended until the leak is found or fixed or until the suspicion of a leak is proved to be unwarranted NOTICE Accumulated grease and or oil on an engine is a fire hazard Remove the accumulated grease and oil Re fer to this Operation and Maintenance Manual En gine Clean for more information e Ensure that the cooling system hoses are correctly clamped and that the cooling system hoses are tight Check for leaks Check the condition of all pipes e Inspect the water pump for coolant leaks Note The water pump seal is lubricated by the coolant in the cooling system It is normal for a small amount of leakage to occur as the engine cools down and the parts contract Excessive coolant leakage may indicate the need to replace the water pump seal For the removal of the water pump and the installation of water pump and or seal refer to the Disassembly and Assembly Manual Water Pump Remove and Install for more information or consult your Caterpillar dealer 72 Maintenance Section Water Pump Inspect SEBU8327 Inspect the lubrication system for leaks at the front crankshaft seal the rear crankshaft seal the oil pan the oil filters and the rocker cover Inspect the fuel system for leaks Look for loose fuel line clamps
90. equirements of the Caterpillar specification that is ECF 1 Engine Crankcase Fluid 1 The Caterpillar SAE 15W 40 multigrade DEO passes the following proprietary tests sticking of the piston ring oil control tests wear tests and soot tests Proprietary tests help ensure that Caterpillar multigrade oil provides superior performance in Caterpillar Diesel Engines In addition Caterpillar multigrade oil exceeds many of the performance requirements of other manufacturers of diesel engines Therefore this oil is an excellent choice for many mixed fleets True high performance oil is produced with a combination of the following factors industry standard tests proprietary tests field tests and prior experience with similar formulations The design and the development of Caterpillar lubricants that are both high performance and high quality are based on these factors Note Non Caterpillar commercial oils are second choice oils Commercial Oils Note If Caterpillar Multigrade DEO is not used use only commercial oils that meet the following classifications e API CH 4 multigrade oils and API Cl 4 multigrade oils are acceptable if the requirements of Caterpillar s ECF 1 Engine Crankcase Fluid specification 1 are met CH 4 oils and Cl 4 oils that have not met the requirements of Caterpillar s ECF 1 Specification may cause reduced engine life e API CF 4 multigrade oils are not recommended for this series of diesel engines For a
91. erated wear of the engine components Use the Emergency Stop Button if equipped ONLY in an emergency situation Do not use the Emergency Stop Button for normal engine stopping After an emergency stop DO NOT start the engine until the problem that caused the emergency stop has been corrected Stop the engine if an overspeed condition occurs during the initial start up of a new engine or an engine that has been overhauled This may be accomplished by shutting off the fuel supply to the engine and or shutting off the air supply to the engine 102176668 Electrical System SMCS Code 1000 1400 Never disconnect any charging unit circuit or battery circuit cable from the battery when the charging unit is operating A spark can cause the combustible gases that are produced by some batteries to ignite To help prevent sparks from igniting combustible gases that are produced by some batteries the negative jump start cable should be connected last from the external power source to the negative terminal of the starting motor If the starting motor is not equipped with a negative terminal connect the jump start cable to the engine block Check the electrical wires daily for wires that are loose or frayed Tighten all loose electrical wires before the engine is started Repair all frayed electrical wires before the engine is started See the Operation and Maintenance Manual for specific starting instructions
92. erent characteristics to Group 2 fuels e A lower cloud point e A lower pour point e A higher energy per unit volume of fuel Note Group 3 fuels reduce the life of the engine The use of Group 3 fuels is not covered by the Caterpillar warranty Group 3 fuels include Low Temperature Fuels and Aviation Kerosene Fuels Special fuels include Biofuel The cloud point is a temperature that allows wax crystals to form in the fuel These crystals can cause the fuel filters to plug The pour point is the temperature when diesel fuel will thicken The diesel fuel becomes more resistant to flow through fuel lines fuel filters and fuel pumps 32 Operation Section Cold Weather Operation SEBU8327 Be aware of these facts when diesel fuel is purchased Consider the average ambient air temperature for the engine s application Engines that are fueled in one climate may not operate well if the engines are moved to another climate Problems can result due to changes in temperature Before troubleshooting for low power or for poor performance in the winter check the fuel for waxing Low temperature fuels may be available for engine operation at temperatures below 0 C 32 F These fuels limit the formation of wax in the fuel at low temperatures For more information on cold weather operation refer to the Operation and Maintenance Manual Cold Weather Operation and Fuel Related Components in Cold Weather i02705983
93. ery Replace and Testing and Adjusting Manual Battery Test Refer to the Electrical Schematic for your engine Consult your Caterpillar dealer for more information 102710753 After Starting Engine SMCS Code 1000 Note In temperatures from 0 to 60 C 32 to 140 F the warm up time is approximately three minutes In temperatures below 0 C 32 F additional warm up time may be required When the engine idles during warm up observe the following conditions Check for any fluid or for any air leaks at idle rom and at one half full rom no load on the engine before operating the engine under load This is not possible in some applications Operate the engine at low idle until all systems achieve operating temperatures Check all gauges during the warm up period Note Gauge readings should be observed and the data should be recorded frequently while the engine is operating Comparing the data over time will help to determine normal readings for each gauge Comparing data over time will also help detect abnormal operating developments Significant changes in the readings should be investigated 28 Operation Section Engine Operation SEBU8327 Engine Operation 102708025 Engine Operation SMCS Code 1000 Proper operation and maintenance are key factors in obtaining the maximum life and economy of the engine If the directions in the Operation and Maintenance Manual are followed costs can be mini
94. es e Check the fuel supply Drain water from the water separator if equipped Open the fuel supply valve if equipped NOTICE All valves in the fuel return line must be open before and during engine operation to help prevent high fuel pressure High fuel pressure may cause filter housing failure or other damage If the engine has not been started for several weeks fuel may have drained from the fuel system Air may have entered the filter housing Also when fuel filters have been changed some air pockets will be trapped in the engine In these instances prime the fuel system Refer to the Operation and Maintenance Manual Fuel System Prime for more information on priming the fuel system Engine exhaust contains products of combustion which may be harmful to your health Always start and operate the engine in a well ventilated area and if in an enclosed area vent the exhaust to the outside Do not start the engine or move any of the controls if there is a DO NOT OPERATE warning tag or similar warning tag attached to the start switch or to the controls Ensure that the areas around the rotating parts are clear All of the guards must be put in place Check for damaged guards or for missing guards Repair any damaged guards Replace damaged guards and or missing guards Disconnect any battery chargers that are not protected against the high current drain that is created when the electric starting
95. event damage to the engine It is impossible to determine if the engine protective devices are in good working order during normal operation Malfunctions must be simulated in order to test the engine protective devices A calibration check of the engine protective devices will ensure that the alarms and shutoffs activate at the setpoints Ensure that the engine protective devices are functioning properly NOTICE During testing abnormal operating conditions must be simulated The tests must be performed correctly in order to pre vent possible damage to the engine SEBU8327 59 Maintenance Section Engine Valve Lash Inspect Adjust To prevent damage to the engine only authorized service personnel or your Caterpillar dealer should perform the tests Visual Inspection Visually check the condition of all gauges sensors and wiring Look for wiring and components that are loose broken or damaged Damaged wiring or components should be repaired or replaced immediately 102707257 Engine Valve Lash Inspect Adjust SMCS Code 1102 025 This maintenance is recommended by Caterpillar as part of a lubrication and preventive maintenance schedule in order to help provide maximum engine life NOTICE Only qualified service personnel should perform this maintenance Refer to the Systems Operation Testing and Adjusting Manual Valve Lash and Valve Bridge Adjustment article or consult your Caterpillar deale
96. gency Stopping SMCS Code 1000 7418 NOTICE Emergency shutoff controls are for EMERGENCY use ONLY DO NOT use emergency shutoff devices or controls for normal stopping procedure The OEM may have equipped the application with an emergency stop button For more information about the emergency stop button refer to the OEM information Ensure that any components for the external system that support the engine operation are secured after the engine is stopped After Stopping Engine SMCS Code 1000 Note Before you check the engine oil do not operate the engine for at least 10 minutes in order to allow the engine oil to return to the oil pan Check the crankcase oil level Maintain the oil level between the MIN mark and the MAX mark on the oil level dipstick If necessary perform minor adjustments Repair any leaks and tighten any loose bolts Note the required service interval Perform the maintenance that is in the Operation and Maintenance Manual Maintenance Interval Schedule Fill the fuel tank in order to help prevent accumulation of moisture in the fuel Do not overfill the fuel tank NOTICE Only use antifreeze coolant mixtures recommended in the Refill Capacities and Recommendations topic that is in this Operation and Maintenance Manual Failure to do so can cause engine damage Allow the engine to cool Check the coolant level If freezing temperatures are expected check the c
97. he drain plug Install the drain plug Refer to Torque Specifications SENR3130 for more information on the correct torques Fill NOTICE Do not fill the cooling system faster than 5 L 1 3 US gal per minute to avoid air locks Cooling system air locks may result in engine damage 1 Fill the cooling system with coolant or antifreeze Refer to this Operation and Maintenance Manual Refill Capacities and Recommendations topic Maintenance Section for more information on cooling system specifications Do not install the cooling system filler cap SEBU8327 45 Maintenance Section Cooling System Coolant ELC Change 2 Start and run the engine at low idle Increase the engine rpm to 1500 rpm Run the engine at high idle for one minute in order to purge the air from the cavities of the engine block Stop the engine 3 Check the coolant level Maintain the coolant level within 13 mm 0 5 inch below the bottom of the pipe for filling Maintain the coolant level within 13 mm 0 5 inch to the proper level on the sight glass if equipped 4 Clean the cooling system filler cap Inspect the gasket that is on the cooling system filler cap If the gasket that is on the cooling system filler cap is damaged discard the old cooling system filler cap and install a new cooling system filler cap If the gasket that is on the cooling system filler cap is not damaged perform a pressure test A 9S 8140 Pressurizing Pump is
98. he engine Lifting eyes are designed and installed for the specific engine arrangement Alterations to the lifting eyes and or the engine make the lifting eyes and the lifting fixtures obsolete If alterations are made ensure that proper lifting devices are provided Consult your Caterpillar dealer for information regarding fixtures for proper engine lifting 102068367 Product Storage SMCS Code 1000 1404 7002 If the engine will not be started for several weeks the lubricating oil will drain from the cylinder walls and from the piston rings Rust can form on the cylinder liner surface Rust on the cylinder liner surface will cause increased engine wear and a reduction in engine service life To help prevent excessive engine wear use the following guidelines Complete all of the lubrication recommendations that are listed in this Operation and Maintenance Manual Maintenance Interval Schedule Maintenance Section If freezing temperatures are expected check the cooling system for adequate protection against freezing See this Operation and Maintenance Manual Refill Capacities and Recommendations Maintenance Section If an engine is out of operation and if use of the engine is not planned special precautions should be made If the engine will be stored for more than one month a complete protection procedure is recommended For more detailed information on engine storage see Special Instruction SEHS90
99. he engine to cool Loosen the cooling system filler cap slowly in order to relieve any pressure Remove the cooling system filler cap 2 Open the cooling system drain valve if equipped If the cooling system is not equipped with a drain valve remove the cooling system drain plugs Allow the coolant to drain NOTICE Dispose of used engine coolant properly or recycle Various methods have been proposed to reclaim used coolant for reuse in engine cooling systems The full distillation procedure is the only method acceptable by Caterpillar to reclaim the used coolant For information regarding the disposal and the recycling of used coolant consult your Caterpillar dealer or consult Dealer Service Tools Outside Illinois 1 800 542 TOOL Inside Illinois 1 800 541 TOOL Canada 1 800 523 TOOL Flush 1 Flush the cooling system with clean water in order to remove any debris 2 Close the drain valve if equipped Clean the drain plugs Install the drain plugs Refer to Torque Specifications SENR3130 for more information on the correct torques NOTICE Do not fill the cooling system faster than 5 L 1 3 US gal per minute to avoid air locks Cooling system air locks may result in engine damage 3 Fill the cooling system with clean water Install the cooling system filler cap 4 Start and run the engine at low idle until the temperature reaches 49 to 66 C 120 to 150 F 46 Maintenance Section Cooling
100. he oil level is above the FULL mark could cause your crankshaft to dip into the oil The air bubbles created from the crankshaft dipping into the oil reduces the oil s lubricating char acteristics and could result in the loss of power 2 Remove the oil filler cap and add oil if necessary Clean the oil filler cap Install the oil filler cap 56 Maintenance Section Engine Oil Sample Obtain SEBU8327 Engine Oil Sample Obtain SMCS Code 1000 008 1348 554 SM 7542 554 OC SM In addition to a good preventive maintenance program Caterpillar recommends using S O S oil analysis at regularly scheduled intervals in order to monitor the condition of the engine and the maintenance requirements of the engine S O S oil analysis provides infrared analysis which is required for determining nitration and oxidation levels Obtain the Sample and the Analysis Hot oil and hot components can cause personal injury Do not allow hot oil or hot components to contact the skin Before you take the oil sample complete the Label PEEP5031 for identification of the sample In order to help obtain the most accurate analysis provide the following information e Engine model e Service hours on the engine e The number of hours that have accumulated since the last oil change e The amount of oil that has been added since the last oil change To ensure that the sample is representative of the oil in the crankcase obtain
101. hysical dimensions type strength and material Failure to heed this warning can lead to prema ture failures product damage personal injury or death Quality Caterpillar replacement parts are available from Caterpillar dealers throughout the world Caterpillar dealers parts inventories are up to date The parts stocks include all of the parts that are normally needed to protect your Caterpillar engine investment When you order parts please specify the following information e Part number e Part name e Quantity If there is a question concerning the part number please provide your dealer with a complete description of the needed item When a Caterpillar engine requires maintenance and or repair provide the dealer with all the information that is stamped on the Information Plate This information is described in this Operation and Maintenance Manual Product Information Section Discuss the problem with the dealer Inform the dealer about the conditions of the problem and the nature of the problem Inform the dealer about when the problem occurs This will help the dealer in troubleshooting the problem and solving the problem faster 78 Reference Information Section Reference Materials SEBU8327 Reference Materials i02708607 Reference Material SMCS Code 1000 The following literature can be obtained through any Caterpillar dealer Lubricants e Special Publication PEHP8038 Data Sheet C
102. ication No 1509 Engine oils that bear the API symbol are authorized by API Illustration 20 g00546535 Typical API symbol Diesel engine oils CC CD CD 2 and CE have not been API authorized classifications since 1 January 1996 Table 2 API Classifications Current Obsolete CH 4 1 CI 4 CE CC CD CD 2 2 1 API CH 4 and CI 4 oils are acceptable if the requirements of Caterpillar s ECF 1 Engine Crankcase Fluid specification 1 are met CH 4 and CI 4 oils that have not met the requirements of Caterpillar s ECF 1 Specification may cause reduced engine life 2 The oil CD 2 is for a two cycle diesel engine Caterpillar does not sell engines that utilize CD 2 oil Note When oil meets more than one API classification the applicable footnote is determined by the highest API classification that is met Example An oil meets both the API CH 4 and the API CF oil classifications In this case the API CH 4 applies Cat DEO Diesel Engine Oil Caterpillar Oils have been developed and tested in order to provide the full performance and service life that has been designed and built into Caterpillar Engines Caterpillar Oils are currently used to fill diesel engines at the factory These oils are offered by Caterpillar dealers for continued use when the engine oil is changed Consult your Caterpillar dealer for more information on these oils Due to significant variations in the quali
103. ine e Never put maintenance fluids into glass containers Glass containers can break e Use all cleaning solutions with care e Report all necessary repairs Unless other instructions are provided perform the maintenance under the following conditions e The engine is stopped Ensure that the engine cannot be started Disconnect the batteries when maintenance is performed or when the electrical system is serviced Disconnect the battery ground leads Tape the leads in order to help prevent sparks e Do not attempt any repairs that are not understood Use the proper tools Replace any equipment that is damaged or repair the equipment Pressurized Air and Water Pressurized air and or water can cause debris and or hot water to be blown out This could result in personal injury When pressurized air and or pressurized water is used for cleaning wear protective clothing protective shoes and eye protection Eye protection includes goggles or a protective face shield The maximum air pressure for cleaning purposes must be below 205 kPa 30 psi The maximum water pressure for cleaning purposes must be below 275 kPa 40 psi Fluid Penetration Pressure can be trapped in the hydraulic circuit long after the engine has been stopped The pressure can cause hydraulic fluid or items such as pipe plugs to escape rapidly if the pressure is not relieved correctly Do not remove any hydraulic components or parts until pressure
104. information on the label for the sampling bottle before you begin to take the samples e Keep the unused sampling bottles stored in plastic bags Obtain coolant samples directly from the coolant sample port You should not obtain the samples from any other location Keep the lids on empty sampling bottles until you are ready to collect the sample e Place the sample in the mailing tube immediately after obtaining the sample in order to avoid contamination Never collect samples from expansion bottles e Never collect samples from the drain for a system Submit the sample for Level 1 analysis For additional information about coolant analysis see Special Publication SEBU6251 Caterpillar Commercial Diesel Engine Fluids Recommendations or consult your Caterpillar dealer 101987714 Cooling System Coolant Sample Level 2 Obtain SMCS Code 1350 008 1395 008 1395 554 7542 NOTICE Always use a designated pump for oil sampling and use a separate designated pump for coolant sampling Using the same pump for both types of samples may contaminate the samples that are being drawn This contaminate may cause a false analysis and an incor rect interpretation that could lead to concerns by both dealers and customers Refer to Operation and Maintenance Manual Cooling System Coolant Sample Level 1 Obtain for the guidelines for proper sampling of the coolant Submit the sample for Level 2 analysis
105. injection pump from fluids in order to wash the engine 102708051 Engine Air Cleaner Element Dual Element Clean Replace SMCS Code 1054 037 1054 510 NOTICE Never run the engine without an air cleaner element installed Never run the engine with a damaged air cleaner element Do not use air cleaner elements with damaged pleats gaskets or seals Dirt entering the engine causes premature wear and damage to engine components Air cleaner elements help to prevent air borne debris from entering the air inlet NOTICE Never service the air cleaner element with the engine running since this will allow dirt to enter the engine Servicing the Air Cleaner Elements Note The air filler system may not have been provided by Catapillar The procedure that follows is for a typical air filter system Refer to the OEM information for the correct procedure If the air cleaner element becomes plugged the air can split the material of the air cleaner element Unfiltered air will drastically accelerate internal engine wear Refer to the OEM information for the correct air cleaner elements for your application Check the precleaner if equipped and the dust bowl daily for accumulation of dirt and debris Remove any dirt and debris as needed Operating in dirty conditions may require more frequent service of the air cleaner element The air cleaner element should be replaced at least one time per year This replacement shou
106. ion fuel consumption and maintenance information can be used to estimate the total operating cost for your Caterpillar engine Oil consumption can also be used to estimate the required capacity of a makeup oil tank that is suitable for the maintenance intervals Oil consumption is in proportion to the percentage of the rated engine load As the percentage of the engine load is increased the amount of oil that is consumed per hour also increases The oil consumption rate brake specific oil consumption is measured in grams per kW h Ib per bhp The brake specific oil consumption BSOC depends on the engine load Consult your Caterpillar dealer for assistance in determining the typical oil consumption rate for your engine When an engine s oil consumption has risen to three times the original oil consumption rate due to normal wear an engine overhaul should be scheduled There may be a corresponding increase in blowby and a slight increase in fuel consumption Overhaul Options Before Failure Overhaul A planned overhaul before failure may be the best value for the following reasons Costly unplanned downtime can be avoided Many original parts can be reused according to the standards for reusable parts The engine s service life can be extended without the risk of a major catastrophe due to engine failure 66 Maintenance Section Overhaul Considerations SEBU8327 e The best cost value relationship per hour of ex
107. ity publications The Special Publication SEBF8029 lists the reusability publications that are needed for inspecting the engine parts If the parts comply with the established inspection specifications that are expressed in the reusable parts guideline the parts should be reused Parts that are not within the established inspection specifications should be dealt with in one of the following manners e Salvaging e Repairing e Replacing Using out of spec parts can result in the following problems e Unscheduled downtime e Costly repairs e Damage to other engine parts e Reduced engine efficiency e Increased fuel consumption Reduced engine efficiency and increased fuel consumption translates into higher operating costs Therefore Caterpillar Inc recommends repairing out of spec parts or replacing out of spec parts Inspection and or Replacement Crankshaft Bearings and Crankshaft Seals The following components may not last until the second overhaul e Thrust bearings e Main bearings e Rod bearings e Crankshaft seals Caterpillar Inc recommends the installation of new parts at each overhaul period Inspect these parts while the engine is disassembled for an overhaul Inspect the crankshaft for any of the following conditions e Deflection e Damage to the journals e Bearing material that has seized to the journals Check the journal taper and the profile of the crankshaft journals Check these components
108. lant additive concen tration exceeding the recommended maximum Pressurized System Hot coolant can cause seri ous burns To open the cooling system filler cap stop the engine and wait until the cooling system components are cool Loosen the cooling system pressure cap slowly in order to relieve the pres sure 1 Slowly loosen the cooling system filler cap in order to relieve the pressure Remove the cooling system filler cap Note Always discard drained fluids according to local regulations 2 If necessary drain some coolant from the cooling system into a suitable container in order to allow space for the extra SCA 3 Add the proper amount of SCA Refer to the Special Publication SEBU6251 Caterpillar Commercial Diesel Engines Fluids Recommendations for more information on SCA requirements 4 Clean the cooling system filler cap Inspect the gaskets of the cooling system filler cap If the gaskets are damaged replace the old cooling system filler cap with a new cooling system filler cap Install the cooling system filler cap 102623972 Cooling System Water Temperature Regulator Replace SMCS Code 1355 510 Replace the water temperature regulator before the water temperature regulator fails This is a recommended preventive maintenance practice Replacing the water temperature regulator reduces the chances for unscheduled downtime A water temperature regulator that fails in a partially opened p
109. lare nuts 1 for the high pressure fuel lines on all of the fuel injectors NOTICE Do not crank the engine continuously for more than 30 seconds Allow the starting motor to cool for two minutes before cranking the engine again 5 Observe the connection at the flare nut Operate the starting motor and crank the engine until the fuel is free of air 6 Tighten the flare nuts 1 to a torque of 30 N m 22 Ib ft 7 The engine is now ready to start Operate the engine at low idle for a minimum of five minutes immediately after air has been removed from the fuel system Note Running the engine for this period of time will help ensure that the pump is completely free of air SEBU8327 61 Maintenance Section Fuel System Primary Filter Water Separator Drain i02699081 Fuel System Primary Filter Water Separator Drain SMCS Code 1260 543 1263 543 Fuel leaked or spilled onto hot surfaces or elec trical components can cause a fire To help pre vent possible injury turn the start switch off when changing fuel filters or water separator elements Clean up fuel spills immediately NOTICE The water separator is not a filter The water separa tor separates water from the fuel The engine should never be allowed to run with the water separator more than half full Engine damage may result NOTICE The water separator is under suction during normal engine operation Ensure that the drain valve is tigh
110. ld be performed regardless of the number of cleanings Replace the dirty air cleaner elements with clean air cleaner elements Before installation the air cleaner elements should be thoroughly checked for tears and or holes in the filter material Inspect the gasket or the seal of the air cleaner element for damage Maintain a supply of suitable air cleaner elements for replacement purposes Dual Element Air Cleaners The dual element air cleaner contains a primary air cleaner element and a secondary air cleaner element 52 Maintenance Section Engine Air Cleaner Element Dual Element Clean Replace SEBU8327 The primary air cleaner element can be used up to six times if the element is properly cleaned and properly inspected The primary air cleaner element should be replaced at least one time per year This replacement should be performed regardless of the number of cleanings The secondary air cleaner element is not serviceable Refer to the OEM information for instructions in order to replace the secondary air cleaner element When the engine is operating in environments that are dusty or dirty air cleaner elements may require more frequent replacement Illustration 26 g00736431 1 Cover 2 Primary air cleaner element 3 Secondary air cleaner element 4 Air inlet 1 Remove the cover Remove the primary air cleaner element 2 The secondary air cleaner element should be removed and discarded fo
111. ll other smaller commercial diesel engines the oil drain interval should not exceed 50 percent of the standard oil drain interval for your engine NOTICE In selecting oil for any engine application both the oil viscosity and oil performance classification specifica tion as specified by the engine manufacturer must be defined and satisfied Using only one of these param eters will not sufficiently define oil for an engine appli cation In order to make the proper choice of a commercial oil refer to the following explanations API Cl 4 API Cl 4 oils were developed in order to meet the requirements of high performance diesel engines that use cooled Exhaust Gas Recirculation EGR API Cl 4 oils are acceptable if the requirements of Caterpillars ECF 1 Engine Crankcase Fluid specification 1 are met API CH 4 API CH 4 oils were developed in order to protect low emissions diesel engines that use a 0 05 percent level of fuel sulfur However API CH 4 oils may be used with higher sulfur fuels API CH 4 oils are acceptable if the requirements of Caterpillar s ECF 1 Engine Crankcase Fluid specification 1 are met Note CH 4 oils and CI 4 oils that have not met the requirements of Caterpillar s ECF 1 Specification may cause reduced engine life NOTICE Failure to follow these oil recommendations can cause shortened engine service life due to deposits and or excessive wear Note Refer to Special Publication SE
112. location Illustration 30 900103777 Typical service indicator Observe the service indicator The air cleaner element should be cleaned or the air cleaner element should be replaced when one of the following conditions occur e The yellow diaphragm enters the red zone e The red piston locks in the visible position Test the Service Indicator Service indicators are important instruments Check for ease of resetting The service indicator should reset in less than three pushes Check the movement of the yellow core when the engine is accelerated to the engine rated speed The yellow core should latch at the greatest vacuum that is attained If the service indicator does not reset easily or if the yellow core does not latch at the greatest vacuum the service indicator should be replaced If the new service indicator will not reset the hole for the service indicator may be restricted The service indicator may need to be replaced frequently in environments that are severely dusty SEBU8327 55 Maintenance Section Engine Air Precleaner Check Clean 102708039 Engine Air Precleaner Check Clean SMCS Code 1055 070 1055 535 Sar 900287039 Illustration 31 Typical precleaner 1 Wing nut 2 Cover 3 Body Remove wing nut 1 and cover 2 Check for an accumulation of dirt and debris in body 3 Clean the body if necessary After cleaning the precleaner install cover 2
113. mal operating conditions must be simulated Perform the tests correctly in order to help prevent possible engine damage Refer to the Service Manual for more information on testing procedures or consult your Caterpillar dealer 102704607 Fuel Shutoff SMCS Code 1259 1704 The fuel shutoff solenoid is located on the fuel injection pump When the fuel shutoff solenoid is activated the solenoid moves to the Open position When the fuel shutoff solenoid is deactivated the solenoid moves to the Closed position SEBU8327 25 Operation Section Engine Starting Engine Starting 102704617 Before Starting Engine SMCS Code 1000 1400 1450 Perform the required daily maintenance and other periodic maintenance before the engine is started Inspect the engine compartment This inspection can help prevent major repairs at a later date Refer to the Operation and Maintenance Manual Maintenance Interval Schedule for more information e For the maximum service life of the engine make a thorough inspection before the engine is started Look for the following items oil leaks coolant leaks loose bolts and trash buildup Remove trash buildup and arrange for repairs as needed Inspect the cooling system hoses for cracks and for loose clamps Inspect the alternator and accessory drive belts for cracks breaks and other damage Inspect the wiring for loose connections and for worn wires or frayed wir
114. mized and engine service life can be maximized The time that is needed for the engine to reach normal operating temperature can be less than the time taken for a walk around inspection of the engine The engine can be operated at the rated rpm after the engine is started and after the engine reaches operating temperature The engine will reach normal operating temperature sooner during a low engine speed rpm and during a low power demand This procedure is more effective than idling the engine at no load The engine should reach operating temperature in a few minutes Gauge readings should be observed and the data should be recorded frequently while the engine is operating Comparing the data over time will help to determine normal readings for each gauge Comparing data over time will also help detect abnormal operating developments Significant changes in the readings should be investigated 102707215 Engine Warm up SMCS Code 1000 1 Run the engine at low idle for three to five minutes or run the engine at low idle until the jacket water coolant temperature starts to rise More time may be necessary when the temperature is below 18 C 0 F 2 Check all of the gauges during the warm up period 3 Perform a walk around inspection Check the engine for fluid leaks and air leaks 4 Increase the rpm to the rated rpm Check for fluid leaks and air leaks The engine may be operated at full rated rom and at full load whe
115. n the temperature of the water jacket reaches 60 C 140 F Engaging the Driven Equipment SMCS Code 1000 1 Operate the engine at one half of the rated rom when possible 2 Engage the driven equipment without a load on the equipment when possible Interrupted starts put excessive stress on the drive train Interrupted starts also waste fuel To get the driven equipment in motion engage the clutch smoothly with no load on the equipment This method should produce a start that is smooth and easy The engine rpm should not increase and the clutch should not slip 3 Ensure that the ranges of the gauges are normal when the engine is operating at one half of the rated rom Ensure that all gauges operate properly 4 Increase the engine rpm to the rated rom Always increase the engine rpm to the rated rpm before the load is applied 5 Apply the load Begin operating the engine at low load Check the gauges and equipment for proper operation After normal oil pressure is reached and the temperature gauge begins to move the engine may be operated at full load Check the gauges and equipment frequently when the engine is operated under load Extended operation at low idle or at reduced load may cause increased oil consumption and carbon buildup in the cylinders This carbon buildup results in a loss of power and or poor performance SEBU8327 29 Operation Section Engine Operation 102707216 Fuel Conservation
116. n the Operation and Maintenance Manuals Failure to follow the instructions or heed the warnings could result in serious injury or death d WARNING LU Illustration 1 901154807 Typical example The Universal Warning label 2 is located on the rear end of the valve mechanism cover Refer to illustration 2 SEBU8327 7 Safety Section General Hazard Information Illustration 2 g01353108 1 Ether Warning Label 2 Universal warning 2 Ether 02705981 A WARNING Do not use aerosol types of starting aids such as ether Such use could result in an explosion and personal injury d WARNING LU A Illustration 3 g01154809 Typical example The ether warning label 1 is located on the inlet manifold cover Refer to illustration 2 General Hazard Information SMCS Code 1000 7405 Illustration 4 g00104545 Attach a Do Not Operate warning tag or a similar warning tag to the start switch or to the controls before the engine is serviced or before the engine is repaired These warning tags Special Instruction SEHS7332 are available from your Caterpillar dealer Attach the warning tags to the engine and to each operator control station When it i
117. nd Maintenance Manual Engine Air Cleaner Service Indicator Inspect NOTICE Never run the engine without an air cleaner element installed Never run the engine with a damaged air cleaner element Do not use air cleaner elements with damaged pleats gaskets or seals Dirt entering the engine causes premature wear and damage to engine components Air cleaner elements help to prevent air borne debris from entering the air inlet NOTICE Never service the air cleaner element with the engine running since this will allow dirt to enter the engine A wide variety of air cleaners may be installed for use with this engine Consult the OEM information for the correct procedure to replace the air cleaner i02708041 Engine Air Cleaner Service Indicator Inspect SMCS Code 7452 040 Some engines may be equipped with a different service indicator Some engines are equipped with a differential gauge for inlet air pressure The differential gauge for inlet air pressure displays the difference in the pressure that is measured before the air cleaner element and the pressure that is measured after the air cleaner element As the air cleaner element becomes dirty the pressure differential rises If your engine is equipped with a different type of service indicator follow the OEM recommendations in order to service the air cleaner service indicator The service indicator may be mounted on the air cleaner element or in a remote
118. ne when the load sensitive components should be inspected or repaired Fuel consumption also determines overhaul intervals 80 Reference Information Section Reference Materials SEBU8327 Service Hours A record of service hours is essential to determine when the speed sensitive components should be inspected or repaired Documents A record of all documents should be obtained and all documents should be kept in the engine history file All of the documents should show this information date service hours fuel consumption unit number and engine serial number The following types of documents should be kept as proof of maintenance or repair for warranty Keep the following types of documents as proof of maintenance for warranty Also keep these types of documents as proof of repair for warranty e Dealer work orders and itemized bills e Owner s repair costs e Owner s receipts e Maintenance log SEBU8327 81 Reference Information Section Reference Materials 102705982 Maintenance Log SMCS Code 1000 Table 12 Engine Model Customer Identifier Serial Number Arrangement Number Service Quantity Service Item Date Authorization Hours Of Fuel 82 SEBU8327 Index Section Index A Customer Service i 76 Additional Reference Material
119. ned and properly inspected When the primary air cleaner element is cleaned check for rips or tears in the filter material The primary air cleaner element should be replaced at least one time per year This replacement should be performed regardless of the number of cleanings Use clean primary air cleaner elements while dirty elements are being cleaned NOTICE Do not clean the air cleaner elements by bumping or tapping This could damage the seals Do not use el ements with damaged pleats gaskets or seals Dam aged elements will allow dirt to pass through Engine damage could result Visually inspect the primary air cleaner elements before cleaning Inspect the air cleaner elements for damage to the seal the gaskets and the outer cover Discard any damaged air cleaner elements There are two common methods that are used to clean primary air cleaner elements e Pressurized air e Vacuum cleaning SEBU8327 53 Maintenance Section Engine Air Cleaner Element Dual Element Clean Replace Pressurized Air Personal injury can result from air pressure Personal injury can result without following prop er procedure When using pressure air wear a pro tective face shield and protective clothing Maximum air pressure at the nozzle must be less than 205 kPa 30 psi for cleaning purposes Pressurized air can be used to clean primary air cleaner elements that have not been cleaned more than three times Us
120. neer Eri ratni 22 M Maintenance Interval Schedule 40 Maintenance Log 81 Maintenance RecordS n 79 Maintenance Section ee eeeeeeeeeeas 33 Model View Illustrations cece cece ee eee eeeee 16 Engine Model Views i 16 Model VIEWS 15 Mounting and Dismounting ee 13 Oo Operation Section eaae 22 Ordering Replacement Parts ee TI Overhaul ConsiderationS n 65 Oil Consumption as an Overhaul Indicator 65 Overhaul Recommendation 66 P Plate Locations and Film Locations 19 Serial Number Plate 1 0 eeesceeeeeeeeseereeeeees 19 Product Identification Information 19 Product Information Section a nn 15 Product CiIfiNg ceiien aeieeiaii 22 Product Storage 22 R Radiator Clean i 68 Radiator Restrictions 31 Reference Information Section 74 Reference Material sees 78 Goolants ici reno a hi An li 78 Emissions Warranty 79 lE E P E lei 78 C bricantS naaa ae rh a A 78 MisCellAN OuUS iatt e r rai 78 Reference Materials 78 Reference Numbers 19 Record for Reference tt 19 Refill CapacitieS enee
121. nlet system These gases could cause the engine to overspeed Personal injury property damage or engine damage could result If the application involves the presence of combustible gases consult your Caterpillar dealer for additional information about suitable protection devices Remove all flammable materials such as fuel oil and debris from the engine Do not allow any flammable materials to accumulate on the engine Store fuels and lubricants in properly marked containers away from unauthorized persons Store oily rags and any flammable materials in protective containers Do not smoke in areas that are used for storing flammable materials Do not expose the engine to any flame Exhaust shields if equipped protect hot exhaust components from oil or fuel spray in case of a line a tube or a seal failure Exhaust shields must be installed correctly Do not weld on lines or tanks that contain flammable fluids Do not flame cut lines or tanks that contain flammable fluid Clean any such lines or tanks thoroughly with a nonflammable solvent prior to welding or flame cutting Wiring must be kept in good condition All electrical wires must be properly routed and securely attached Check all electrical wires daily Repair any wires that are loose or frayed before you operate the engine Clean all electrical connections and tighten all electrical connections Eliminate all wiring that is unattached or unnecessary Do not use an
122. ns In addition use recommended fuels coolants and lubricants Use the Operation and Maintenance Manual as a guide for required engine maintenance Expected engine life is generally predicted by the average power that is demanded The average power that is demanded is based on fuel consumption of the engine over a period of time Reduced hours of operation at full throttle and or operating at reduced throttle settings result in a lower average power demand Reduced hours of operation will increase the length of operating time before an engine overhaul is required SEBU8327 19 Product Information Section Product Identification Information Product Identification Information 102711140 Plate Locations and Film Locations SMCS Code 1000 Illustration 15 901360892 Location of the serial number plate Serial Number Plate 1 The engine serial number plate is located on the left side of the cylinder block to the rear of the engine Caterpiller dealers need all of these numbers in order to determine the components that were included with the engine This permits accurate identification of replacement part numbers CATERPILLAR GAT ARRANGEMENT NUMBER Ir SALES MODEL SERIAL NUMBER MADE IN U K 4P 6234 Illustration 16 901258789 Serial number plate 102708605 Reference Numbers SMCS Code 1000 Information for the following items may be needed to order
123. nt for tears and or holes Inspect the primary air cleaner element for light that may show through the filter material If it is necessary in order to confirm the result compare the primary air cleaner element to a new primary air cleaner element that has the same part number Do not use a primary air cleaner element that has any tears and or holes in the filter material Do not use a primary air cleaner element with damaged pleats gaskets or seals Discard damaged primary air cleaner elements Storing Primary Air Cleaner Elements If a primary air cleaner element that passes inspection will not be used the primary air cleaner element can be stored for future use Illustration 29 g00281694 54 Maintenance Section SEBU8327 Engine Air Cleaner Element Single Element Inspect Replace Do not use paint a waterproof cover or plastic as a protective covering for storage An air flow restriction may result To protect against dirt and damage wrap the primary air cleaner elements in Volatile Corrosion Inhibited VCI paper Place the primary air cleaner element into a box for storage For identification mark the outside of the box and mark the primary air cleaner element Include the following information e Date of cleaning e Number of cleanings Store the box in a dry location i02708042 Engine Air Cleaner Element Single Element Inspect Replace SMCS Code 1054 040 1054 510 Refer to Operation a
124. o low idle 3 Check and maintain the oil level Jacket Water Coolant Temperature Typical temperature range is 71 to 96 C 160 to 205 F The maximum allowable temperature with the pressurized cooling system at 48 kPa 7 psi is 103 C 217 F Higher temperatures may occur under certain conditions The water temperature reading may vary according to load The reading should never exceed the boiling point for the pressurized system that is being used If the engine is operating above the normal range and steam becomes apparent perform the following procedure 1 Reduce the load and the engine rpm 2 Inspect the cooling system for leaks 3 Determine if the engine must be shut down immediately or if the engine can be cooled by reducing the load Tachometer This gauge indicates engine speed rpm When the throttle control lever is moved to the full throttle position without load the engine is running at high idle The engine is running at the full load rom when the throttle control lever is at the full throttle position with maximum rated load NOTICE To help prevent engine damage never exceed the high idle rpm Overspeeding can result in serious damage to the engine The engine can be operated at high idle without damage but should never be allowed to exceed high idle rpm Note The high idle rpm and the full load rpm are stamped on the Information Plate Ammeter This gauge indicates the amoun
125. ock curshers wood chippers with high torque rise and oil field hoisting D Rating This rating is used when rated power is required for periodic overloads The maximum horsepower and the rpm of the engine can be utilized continuously for a maximum of 30 minutes This is followed by one hour of operation at the C rating The engine should be run at full load The engine should not exceed 10 percent of the duty cycle Typical applications include the following examples offshore cranes runway snow blowers water well drills portable air compressors and fire pump certification power SEBU8327 75 Reference Information Section Engine Ratings E Rating This rating is used when rated power is required for a short time for initial starting or for sudden overload The rating is also used for emergency service when standard power is not available The horsepower and the rpm of the engine can be utilized continuously for a maximum of 15 minutes This is followed by one hour of operation at the C rating or by the duration of the emergency The engine should be run at full load The engine should not exceed 5 percent of the duty cycle Typical applications include the following examples standby centrifugal water pumps oil field well servicing crash trucks portable air compressors and gas turbine starting motors NOTICE Operating engines above the rating definitions can re sult in shorter service life before overhaul
126. of the auxiliary oil filter Table 4 Engine Refill Capacities Minimum Maximum 7L 7 3968 qt 1 These values are the approximate capacities for the crankcase oil sump aluminum which includes the standard factory installed oil filters Engines with auxiliary oil filters will require additional oil Refer to the OEM specifications for the capacity of the auxiliary oil filter Compartment or System 5 L j 1 Crankcase Oil Sump 5 2834 qt Lubricating Grease Caterpillar provides a range of moderate greases to extremely high performance greases in order to service the entire line of Caterpillar products that operate throughout the wide variety of climates From this variety of Caterpillar grease products you will find at least one of the Caterpillar greases that will satisfy the performance requirements for any machine or equipment application Before selecting a grease for any application the performance requirements must be determined Consult the grease recommendations that are made by the OEM for the equipment when the equipment is operated in the expected conditions Then consult with your Caterpillar dealer for a list of greases and the following related characteristics e Performance specifications e Available sizes of containers e Part numbers Always choose a grease that satisfies the recommendations that are specified by the equipment manufacturer for the application Note If
127. om internal cavitation and from corrosion The analysis also tests the ability of the coolant to protect the engine from boiling and from freezing The S O S Coolant Analysis can be done at your Caterpillar dealer Caterpillar S O S Coolant Analysis is the best way to monitor the condition of your coolant and your cooling system S 0 S Coolant Analysis is a program that is based on periodic samples Refer to Special Publication SEBU6251 Caterpillar Commercial Diesel Engine Fluids Recommendations for additional information Refill Capacity of the Cooling System To maintain the cooling system the Total Cooling System capacity must be known The approximate capacity for the Engine Only cooling system is listed External System capacities will vary among applications Refer to the OEM specifications for the External System capacity This capacity information will be needed in order to determine the amount of antifreeze that is required for the Total Cooling System Table 9 Engine Refill Capacities Compartment or System Liters Engine Only 7 L 7 3968 qt External System Per OEM 1 The External System includes a radiator or an expansion tank with the following components heat exchanger and piping Refer to the OEM specifications Enter the value for the capacity of the External System in this row 40 SEBU8327 Maintenance Section Maintenance Interval Schedule 102711636 Every 1000 Service
128. on before you start the engine 2 If equipped turn the engine start switch to the HEAT position Hold the engine start switch in the HEAT position for 6 seconds until the glow plug indicator light illuminates This will activate the glow plugs and aid in the starting of the engine NOTICE Do not crank the engine for more than 30 seconds Allow the electric starting motor to cool for two minutes before cranking the engine again 3 While the glow plug indicator light is illuminated turn the engine start switch to the START position and crank the engine Note If the glow plug indicator light illuminates rapidly for 2 to 3 seconds or if the glow plug indicator light fails to illuminate a malfunction exists in the cold start system Do not use ether or other starting fluids to start the engine 4 When the engine starts release the engine start switch key 5 If the engine does not start release the engine start switch and allow the starting motor to cool Then repeat steps 2 through step 4 6 If the engine is equipped with a throttle allow the engine to idle for three to five minutes or allow the engine to idle until the water temperature indicator begins to rise The engine should run at low idle smoothly until speed is gradually increased to high idle Allow the white smoke to disperse before proceeding with normal operation 7 Operate the engine at low load until all systems reach operating temperature Check th
129. on for Standardization ISO 1 rue de Varemb Case postale 56 CH 1211 Gen ve 20 Switzerland Telephone 41 22 749 01 11 Facsimile 41 22 733 34 30 E mail central iso ch Web site http www iso ch European classifications are established by the Counseil International Des Machines a Combustion CIMAC International Council on Combustion Engines CIMAC Central Secretariat Lyoner Strasse 18 60528 Frankfurt Germany Telephone 49 69 6603 1567 Facsimile 49 69 6603 1566 102707212 Maintenance Records SMCS Code 1000 Caterpillar Inc recommends the retention of accurate maintenance records Accurate maintenance records can be used for the following purposes e Determine operating costs e Establish maintenance schedules for other engines that are operated in the same environment e Show compliance with the required maintenance practices and maintenance intervals Maintenance records can be used for a variety of other business decisions that are related to engine maintenance Maintenance records are a key element of a maintenance program that is well managed Accurate maintenance records can help your Caterpillar dealer to fine tune the recommended maintenance intervals in order to meet the specific operating situation This should result in a lower engine operating cost Records should be kept for the following items Fuel Consumption A record of fuel consumption is essential in order to determi
130. oolant for the correct antifreeze protection The cooling system must be protected against freezing to the lowest expected outside temperature Add the correct coolant water mixture if necessary Perform all required periodic maintenance on all driven equipment This maintenance is outlined in the instructions from the OEM SEBU8327 31 Operation Section Cold Weather Operation Cold Weather Operation 102708046 Radiator Restrictions SMCS Code 1353 1396 Caterpillar discourages the use of air flow restriction devices that are mounted in front of radiators Air flow restriction can cause the following conditions e High exhaust temperatures e Power loss e Excessive fan usage e Reduction in fuel economy If an air flow restriction device must be used the device should have a permanent opening directly in line with the fan hub The device must have a minimum opening dimension of at least 770 cm 120 in A centered opening that is directly in line with the fan hub is specified in order to prevent an interrupted air flow on the fan blades Interrupted air flow on the fan blades could cause a fan failure Caterpillar recommends a warning device for the inlet manifold temperature and or the installation of an inlet air temperature gauge The warning device for the inlet manifold temperature should be set at 75 C 167 F The inlet manifold air temperature should not exceed 75 C 167 F Temperatures that ex
131. oreword 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 Battery posts terminals and related accessories contain lead and lead compounds Wash hands after handling 6 Safety Section Safety Messages SEBU8327 Safety Section 102690461 Safety Messages SMCS Code 1000 7405 There may be several specific warning signs on your engine The exact location and a description of the warning signs are reviewed in this section Please become familiar with all warning signs Ensure that all of the warning signs are legible Clean the warning signs or replace the warning signs if the words cannot be read or if the illustrations are not visible Use a cloth water and soap to clean the warning signs Do not use solvents gasoline or other harsh chemicals Solvents gasoline or harsh chemicals could loosen the adhesive that secures the warning signs The warning signs that are loosened could drop off of the engine Replace any warning sign that is damaged or missing If a warning sign is attached to a part of the engine that is replaced install a new warning sign on the replacement part Your Caterpillar dealer or your distributor can provide new warning signs 1 Universal Warning Do not operate or work on this equipment unless you have read and understand the instructions and warnings i
132. osition can cause overheating or overcooling of the engine A water temperature regulator that fails in the closed position can cause excessive overheating Excessive overheating could result in cracking of the cylinder head or piston seizure problems 50 Maintenance Section Crankcase Breather Canister Replace SEBU8327 A water temperature regulator that fails in the open position will cause the engine operating temperature to be too low during partial load operation Low engine operating temperatures during partial loads could cause an excessive carbon buildup inside the cylinders This excessive carbon buildup could result in an accelerated wear of the piston rings and wear of the cylinder liner NOTICE Failure to replace your water temperature regulator on a regularly scheduled basis could cause severe engine damage Caterpillar engines incorporate a shunt design cooling system and require operating the engine with a water temperature regulator installed If the water temperature regulator is installed incor rectly the engine may overheat causing cylinder head damage Ensure that the new water temperature reg ulator is installed in the original position Ensure that the water temperature regulator vent hole is open Do not use liquid gasket material on the gasket or cylinder head surface Refer to two articles in the Disassembly and Assembly Manual Water Temperature Regulators Remove and Water Temper
133. p to prevent fuel filters from plugging in cold weather due to waxing A fuel heater should be installed in the fuel system before the primary fuel filter The following fuel heaters are recommended for Caterpillar engines e 7C 3557 Fuel Heater Group e 7C 3558 Heater Kit For further information on fuel heaters consult your Caterpillar dealer Disconnect the fuel heater in warm weather Note Fuel heaters that are controlled by the water temperature regulator or self regulating fuel heaters should be used with this engine Fuel heaters that are not controlled by the water temperature regulator can heat the fuel in excess of 65 C 149 F A loss of engine power can occur if the fuel supply temperature exceeds 37 C 100 F Note Heat exchanger type fuel heaters should have a bypass provision in order to prevent overheating of the fuel in warm weather operation SEBU8327 33 Maintenance Section Refill Capacities Maintenance Section Refill Capacities 102501519 Refill Capacities and Recommendations SMCS Code 1348 1395 7560 Engine Oil NOTICE These recommendations are subject to change with out notice Contact your local Caterpillar dealer for the most up to date recommendations API Oils The Engine Oil Licensing and Certification System by the American Petroleum Institute API is recognized by Caterpillar For detailed information about this system see the latest edition of the API publ
134. parts Locate the information for your engine Record the information in the appropriate space Make a copy of this list for a record Keep the information for future reference Record for Reference Engine Model Engine Serial number Engine Low Idle rpm Engine Full Load rpm Primary Fuel Filter Water Separator Element Secondary Fuel Filter Element Lubrication Oil Filter Element Auxiliary Oil Filter Element Total Lubrication System Capacity Total Cooling System Capacity Air Cleaner Element Fan Drive Belt Alternator Belt 20 Product Information Section Product Identification Information SEBU8327 i02711190 Emissions Certification Film SMCS Code 1000 7405 IMPORTANT ENGINE INFORMATION RAT wa AN Engine Family 12 see 44 HHHH123HHHH ADO ROH Engine Type 4 4 EPA Family HHHH1 2 HHHH Advertised kw 5 RPM 4 ell 97 68 Fuel Rate at adv kW 5 mm3 stk MLIT THHHHHHEN CIHHHHHHE Init Timing FHH HHHH Disp 4 HHTHH VEE HEHHEHE SHIEH Settings are to be made with engine at normal operating temperature with transmission in neutral This engine conforms to 4 U S EPA non road and California off road Regulations for large C I engines and is certified to operate on commercially available diesel fuel Emission Control System Valve Lash Cold inch HHH HHH HHHHHH 1 GHHHHHH Exhaust 5 Inlet 5 LABEL C Hanger No 3 Position 4
135. quipped with the following switches Engine oil pressure The engine oil pressure switch indicates when oil pressure drops below rated system pressure Coolant level The low coolant level switch indicates when the coolant level is low Coolant temperature The coolant temperature switch indicates high jacket water coolant temperature Note The sensing element of the coolant temperature switch must be submerged in coolant in order to operate Engines may be equipped with alarms in order to alert the operator when undesirable operating conditions occur NOTICE When an alarm is activated corrective measures must be taken before the situation becomes an emergency in order to avoid possible engine damage If corrective measures are not taken within a reasonable time engine damage could result The alarm will continue until the condition is corrected The alarm may need to be reset A switch may be installed in the alarm while the engine is stopped for repairs Before the engine is started ensure that the switch is moved to the ON position and that the warning lights are flashing The engine will not be protected if the switch is left in the OFF position Testing the Shutoff and Alarm System Most control panels are equipped with a lamp test switch Turn the switch to the ON position in order to check the indicator lights for proper operation Replace worn bulbs immediately NOTICE During testing abnor
136. r for the complete valve lash adjustment procedure Operation of Caterpillar engines with improper valve adjustments can reduce engine efficiency This re duced efficiency could result in excessive fuel usage and or shortened engine component life Ensure that the engine can not be started while this maintenance is being performed To help pre vent possible injury do not use the starting motor to turn the flywheel Hot engine components can cause burns Allow additional time for the engine to cool before mea suring adjusting valve lash clearance Ensure that the engine is stopped before measuring the valve lash To obtain an accurate measurement allow the valves to cool before this maintenance is performed Refer to the Service Manual for more information 102707243 Fuel Injection Nozzles Test Exchange SMCS Code 1254 013 1254 081 Fuel leaked or spilled onto hot surfaces or electri cal components can cause a fire NOTICE Do not allow dirt to enter the fuel system Thoroughly clean the area around a fuel system component that will be disconnected Fit a suitable cover over discon nected fuel system component Fuel injection nozzles are subject to tip wear Tip wear is a result of fuel contamination Tip wear can cause the following problems e Increased fuel consumption e Black smoke e Misfire e Rough running Fuel Injection nozzles should be cleaned inspected tested and replaced if ne
137. r every three cleanings of the primary air cleaner element Note Refer to Cleaning the Primary Air Cleaner Elements 3 Cover the air inlet with tape in order to keep dirt out 4 Clean the inside of the air cleaner cover and body with a clean dry cloth 5 Remove the tape for the air inlet Install the secondary air cleaner element Install a primary air cleaner element that is new or cleaned 6 Install the air cleaner cover 7 Reset the air cleaner service indicator Cleaning the Primary Air Cleaner Elements NOTICE Caterpillar recommends certified air filter cleaning ser vices that are available at Caterpillar dealers The Caterpillar cleaning process uses proven procedures to assure consistent quality and sufficient filter life Observe the following guidelines if you attempt to clean the filter element Do not tap or strike the filter element in order to re move dust Do not wash the filter element Use low pressure compressed air in order to remove the dust from the filter element Air pressure must not exceed 207 kPa 30 psi Direct the air flow up the pleats and down the pleats from the inside of the filter element Take extreme care in order to avoid damage to the pleats Do not use air filters with damaged pleats gaskets or seals Dirt entering the engine will cause damage to engine components The primary air cleaner element can be used up to six times if the element is properly clea
138. s appropriate disconnect the starting controls 8 Safety Section General Hazard Information SEBU8327 Do not allow unauthorized personnel on the engine or around the engine when the engine is being serviced Engine exhaust contains products of combustion which may be harmful to your health Always start the engine and operate the engine in a well ventilated area If the engine is in an enclosed area vent the engine exhaust to the outside Cautiously remove the following parts To help prevent spraying or splashing of pressurized fluids hold a rag over the part that is being removed e Filler caps e Grease fittings e Pressure taps e Breathers e Drain plugs Use caution when cover plates are removed Gradually loosen but do not remove the last two bolts or nuts that are located at opposite ends of the cover plate or the device Before removing the last two bolts or nuts pry the cover loose in order to relieve any spring pressure or other pressure or f X 98 3 BES Illustration 5 g00702020 e Wear a hard hat protective glasses and other protective equipment as required e When work is performed around an engine that is operating wear protective devices for ears in order to help prevent damage to hearing e Do not wear loose clothing or jewelry that can snag on controls or on other parts of the engine Ensure that all protective guards and all covers are secured in place on the eng
139. s were carefully maintained The coolant water probably contained minerals that were deposited on the engine over time A coolant analysis can be conducted in order to verify the condition of the water that is being used in the cooling system A full water analysis can be obtained by consulting your local water utility company or an agricultural agent Private laboratories are also available for water analysis Caterpillar Inc recommends an S O S Coolant Analysis Level 2 68 Maintenance Section Radiator Clean SEBU8327 S O S Coolant Analysis Level 2 An SO S Coolant Analysis Level 2 is a comprehensive coolant analysis which completely analyzes the coolant and the effects on the cooling system An S O S Coolant Analysis Level 2 provides the following information e Complete S O S Coolant Analysis Level 1 e Visual inspection of properties e Identification of metal corrosion e Identification of contaminants e Identification of built up impurities corrosion and scale S O S Coolant Analysis Level 2 provides a report of the results of both the analysis and the maintenance recommendations For more information about coolant analysis see your Caterpillar dealer i02708040 Radiator Clean SMCS Code 1353 070 The radiator is not usually supplied by Caterpillar The following text describes a typical cleaning procedure for the radiator Refer to OEM information for further information on cleaning the
140. shaft Pulley Water Pump 9 10 11 12 pan 2 Q o O x E LL 233 igi 9 9 2523 Is g dL_ Co 25 8 oi gt L AAA nono Cecil Front Lifting Eye Water Outlet SEBU8327 17 Product Information Section Model Views Illustration 13 13 Flywheel 17 Turbocharger 14 Flywheel Housing 18 Oil Gauge 15 Oil Filler Cap 19 Oil Pan 16 Exhaust Manifold 20 Starting motor 102708021 Engine Description SMCS Code 1000 The Caterpillar C4 4 engines are available in the following types of aspiration 901352705 21 Oil Drain Plug 22 Primary Fuel Filter e Naturally aspirated e Turbocharged e Turbocharged aftercooled 18 Product Information Section Model Views SEBU8327 Engine Specifications Note The front end of the engine is opposite the flywheel end of the engine The left and the right sides of the engine are determined from the flywheel end The number 1 cylinder is the front cylinder Le O J A B Illustration 14 g00984281 A typical example of the layout of the valves A Inlet valves B Exhaust valves Table 1 C 4 4 Industrial Engine Specifications Number of Cylinders 4 In Line Bore 105 mm 4 134 inch Stroke 127 mm 5 0 inch Aspiration Naturally aspirated Turbocharged Turbocharged aftercooled Compression Ratio NA 19 3 1 T TA 18
141. stem faster than 5 L 1 3 US gal per minute to avoid air locks Cooling system air locks may result in engine damage 3 Fill the cooling system with a mixture of clean water and Caterpillar Fast Acting Cooling System Cleaner Add 0 5 L 1 pint of cleaner per 15 L 4 US gal of the cooling system capacity Install the cooling system filler cap 4 Start and run the engine at low idle for a minimum of 30 minutes The coolant temperature should be at least 82 C 180 F NOTICE Improper or incomplete rinsing of the cooling system can result in damage to copper and other metal com ponents To avoid damage to the cooling system make sure to completely flush the cooling system with clear wa ter Continue to flush the system until all signs of the cleaning agent are gone 5 Stop the engine and allow the engine to cool Loosen the cooling system filler cap slowly in order to relieve any pressure Remove the cooling system filler cap Open the drain valve if equipped or remove the cooling system drain plug 1 Allow the water to drain Flush the cooling system with clean water Close the drain valve if equipped Clean the drain plug Install the drain plug Refer to Torque Specifications SENR3130 for more information on the correct torques Cooling Systems with Heavy Deposits or Plugging Note For the following procedure to be effective there must be some active flow through the cooling system components 1
142. t ened securely to help prevent air from entering the fuel system 901353878 2 3 Bowl 4 Bottom cover 5 Drain 6 Sensor connection 1 Place a suitable container below the water separator 2 Open the drain 5 Allow the fluid to drain into the container 3 When clean fuel drains from the water separator close the drain 5 Tighten the drain by hand pressure only Dispose of the drained fluid correctly 102699073 Fuel System Secondary Filter Replace SMCS Code 1261 510 SE Fuel leaked or spilled onto hot surfaces or elec trical components can cause a fire To help pre vent possible injury turn the start switch off when changing fuel filters or water separator elements Clean up fuel spills immediately 62 Maintenance Section Fuel System Secondary Filter Replace SEBU8327 NOTICE Do not allow dirt to enter the fuel system Thoroughly clean the area around a fuel system component that will be disconnected Fit a suitable cover over discon nected fuel system component Element filter Turn the valves for the fuel lines if equipped to the OFF position before performing this maintenance Place a tray under the fuel filter in order to catch any fuel that might spill Clean up any spilled fuel immediately
143. t Tension Gauge Illustration 44 g01003936 Typical example 1 Gauge Fit the gauge 1 at the center of the longest free length and check the tension The correct tension is 400 N 90 Ib If the tension of the belt is below 250 N 56 Ib adjust the belt to 400 N 90 Ib If twin belts are installed check and adjust the tension on both belts Adjustment Illustration 45 901003939 1 Loosen The alternator pivot bolt 2 and the bolt 3 2 Move the alternator in order to increase or decrease the belt tension Tighten the alternator pivot bolt and the link bolt to 22 N m 16 Ib ft 1 Replace Refer to Disassembly and Assembly manual for more information 102457734 Walk Around Inspection SMCS Code 1000 040 Inspect the Engine for Leaks and for Loose Connections A walk around inspection should only take a few minutes When the time is taken to perform these checks costly repairs and accidents can be avoided For maximum engine service life make a thorough inspection of the engine compartment before starting the engine Look for items such as oil leaks or coolant leaks loose bolts worn belts loose connections and trash buildup Make repairs as needed e The guards must be in the correct place Repair damaged guards or replace missing guards e Wipe all caps and plugs before the engine is serviced in order to reduce the chance of system contamination NOTICE For any type of l
144. t of charge or discharge in the battery charging circuit Operation of the indicator should be to the right side of 0 zero Fuel Level This gauge indicates the fuel level in the fuel tank The electrically operated fuel level gauge only operates when the START STOP switch is ON Service Hour Meter This gauge indicates operating time of the engine 24 Operation Section Features and Controls SEBU8327 Features and Controls 102704608 Engine Shutoffs and Engine Alarms SMCS Code 1900 7400 7418 Shutoffs Shutoffs and alarms are electrically operated or mechanically operated The operation of all electric shutoffs and alarms utilize components which actuate switches in a sensing unit Shutoffs are set at critical levels for the following items operating temperature operating pressure operating level and operating rom The particular shutoff may need to be reset before the engine will start NOTICE Always determine the cause of the engine shutdown Make necessary repairs before attempting to restart the engine Be familiar with the following items e Types and locations of shutoff e Conditions which cause each shutoff to function e The resetting procedure that is required to restart the engine Alarms Alarms consist of a switch and a contactor The switches are wired to the contactors The contactors activate alarm circuits in an annunciator panel Your engine may be e
145. tended life can be attained After Failure Overhaul If a major engine failure occurs and the engine must be removed many options are available An overhaul should be performed if the engine block or the crankshaft needs to be repaired If the engine block is repairable and or the crankshaft is repairable the overhaul cost should be between 40 percent and 50 percent of the cost of a new engine with a similar exchange core This lower cost can be attributed to three aspects e Specially designed Caterpillar engine features e Caterpillar dealer exchange components e Caterpillar Inc remanufactured exchange components Overhaul Recommendation To minimize downtime Caterpillar Inc recommends a scheduled engine overhaul by your Caterpillar dealer before the engine fails This will provide you with the best cost value relationship Note Overhaul programs vary according to the engine application and according to the dealer that performs the overhaul Consult your Caterpillar dealer for specific information about the available overhaul programs and about overhaul services for extending the engine life If an overhaul is performed without overhaul service from your Caterpillar dealer be aware of the following maintenance recommendations Rebuild or Exchange Cylinder Head Assembly Oil Pump and Fuel Transfer Pump These components should be inspected according to the instructions that are found in various Caterpillar reusabil
146. ting SMCS Code 1000 7405 Inspect the steps the handholds and the work area before mounting the engine Keep these items clean and keep these items in good repair Mount the engine and dismount the engine only at locations that have steps and or handholds Do not climb on the engine and do not jump off the engine Face the engine in order to mount the engine or dismount the engine Maintain a three point contact with the steps and handholds Use two feet and one hand or use one foot and two hands Do not use any controls as handholds Do not stand on components which cannot support your weight Use an adequate ladder or use a work platform Secure the climbing equipment so that the equipment will not move Do not carry tools or supplies when you mount the engine or when you dismount the engine Use a hand line to raise and lower tools or supplies 102704618 Before Starting Engine SMCS Code 1000 NOTICE For initial start up of a new or rebuilt engine and for start up of an engine that has been serviced make provision to shut the engine off should an overspeed occur This may be accomplished by shutting off the air and or fuel supply to the engine Overspeed shutdown should occur automatically If automatic shutdown does not occur press the emergency stop button in order to cut the fuel and or air to the engine Inspect the engine for potential hazards Before starting the engine ensure that no one is on
147. tion 7 g00702022 Caterpillar equipment and replacement parts that are shipped from Caterpillar are asbestos free Caterpillar recommends the use of only genuine Caterpillar replacement parts Use the following guidelines when you handle any replacement parts that contain asbestos or when you handle asbestos debris Use caution Avoid inhaling dust that might be generated when you handle components that contain asbestos fibers Inhaling this dust can be hazardous to your health The components that may contain asbestos fibers are brake pads brake bands lining material clutch plates and some gaskets The asbestos that is used in these components is usually bound in a resin or sealed in some way Normal handling is not hazardous unless airborne dust that contains asbestos is generated If dust that may contain asbestos is present there are several guidelines that should be followed Never use compressed air for cleaning Avoid brushing materials that contain asbestos Avoid grinding materials that contain asbestos Use a wet method in order to clean up asbestos materials A vacuum cleaner that is equipped with a high efficiency particulate air filler HEPA can also be used Use exhaust ventilation on permanent machining jobs Wear an approved respirator if there is no other way to control the dust 10 Safety Section Burn Prevention SEBU8327 e Comply with applicable rules and regulations for the work place In
148. to relieve pressure 2 Maintain the coolant level within 13 mm 0 5 inch of the bottom of the filler pipe If the engine is equipped with a sight glass maintain the coolant level to the correct level in the sight glass 3 Clean the cooling system filler cap and inspect the gasket If the gasket is damaged discard the old filler cap and install a new filler cap If the gasket is not damaged use a suitable pressurizing pump in order to pressure test the filler cap The correct pressure is stamped on the face of the filler cap If the filler cap does not retain the correct pressure install a new filler cap 4 Inspect the cooling system for leaks 102603581 Cooling System Coolant Sample Level 1 Obtain SMCS Code 1350 008 1395 008 1395 554 7542 Note Obtaining a Coolant Sample Level 1 is optional if the cooling system is filled with Cat ELC Extended Life Coolant Cooling systems that are filled with Cat ELC should have a Coolant Sample Level 2 that is obtained at the recommended interval that is stated in the Maintenance Interval Schedule Note Obtain a Coolant Sample Level 1 if the cooling system is filled with any other coolant instead of Cat ELC This includes the following types of coolants e Commercial long life coolants that meet the Caterpillar Engine Coolant Specification 1 Caterpillar EC 1 e Cat DEAC Diesel Engine Antifreeze Coolant e Commercial heavy duty coolant antifreeze
149. ty and in the performance of commercially available oils Caterpillar makes the following recommendations e Cat DEO Diesel Engine Oil 10W 30 e Cat DEO Diesel Engine Oil 15W 40 Caterpillar multigrade DEO is formulated with the correct amounts of detergents dispersants and alkalinity in order to provide superior performance in Caterpillar Diesel Engines Caterpillar multigrade DEO is available in various viscosity grades that include SAE 10W 30 and SAE 15W 40 To choose the correct viscosity grade for the ambient temperature see Table 3 Multigrade oils provide the correct viscosity for a broad range of operating temperatures Multigrade oils are effective in maintaining low oil consumption and low levels of piston deposits 34 Maintenance Section Refill Capacities SEBU8327 Caterpillar multigrade DEO can be used in other diesel engines and in gasoline engines See the engine manufacturer s guide for the recommended specifications Compare the specifications to the specifications of Caterpillar multigrade DEO The current industry standards for Caterpillar DEO are listed on the product label and on the data sheets for the product Consult your Caterpillar dealer for part numbers and for available sizes of containers Note Caterpillar SAE 15W 40 multigrade DEO exceeds the performance requirements for the following API classifications Cl 4 CH 4 CG 4 CF 4 and CF The Caterpillar multigrade DEO exceeds the r
150. uld minimize operating costs through cost avoidances resulting from reductions in unscheduled downtime and failures Maintenance Intervals Perform maintenance on items at multiples of the original requirement Each level and or individual items in each level should be shifted ahead or back depending upon your specific maintenance practices operation and application We recommend that the maintenance schedules be reproduced and displayed near the engine as a convenient reminder We also recommend that a maintenance record be maintained as part of the engine s permanent record See the section in the Operation and Maintenance Manual Maintenance Records for information regarding documents that are generally accepted as proof of maintenance or repair Your authorized Caterpillar dealer can assist you in adjusting your maintenance schedule to meet the needs of your operating environment Overhaul Major engine overhaul details are not covered in the Operation and Maintenance Manual except for the interval and the maintenance items in that interval Major repairs are best left to trained personnel or an authorized Caterpillar dealer Your Caterpillar dealer offers a variety of options regarding overhaul programs If you experience a major engine failure there are also numerous after failure overhaul options available from your Caterpillar dealer Consult with your dealer for information regarding these options SEBU8327 5 F
151. ure Remove the cooling system filler cap Note Drain the coolant into a suitable clean container The coolant can be reused 3 Drain the coolant from the cooling system to a level that is below the hose that is being replaced 4 Remove the hose clamps 5 Disconnect the old hose 6 Replace the old hose with a new hose 7 Install the hose clamps with a torque wrench Note Refer to the Specifications SENR3130 Torque Specifications in order to locate the proper torques 8 Refill the cooling system 9 Clean the cooling system filler cap Inspect the cooling system filler cap s gaskets Replace the cooling system filler cap if the gaskets are damaged Install the cooling system filler cap 10 Start the engine Inspect the cooling system for leaks i02708037 Overhaul Considerations SMCS Code 7595 043 Reduced hours of operation at full load will result in a lower average power demand A decreased average power demand should increase both the engine service life and the overhaul interval The need for an overhaul is generally indicated by increased fuel consumption and by reduced power The following factors are important when a decision is being made on the proper time for an engine overhaul e The need for preventive maintenance e The quality of the fuel that is being used e The operating conditions e The results of the S O S analysis Oil Consumption as an Overhaul Indicator Oil consumpt
152. using an external electrical source to start the engine turn the generator set control switch to the OFF position Turn all electrical accessories OFF be fore attaching the jump start cables Ensure that the main power switch is in the OFF posi tion before attaching the jump start cables to the en gine being started 1 Turn the start switch on the stalled engine to the OFF position Turn off all the engine s accessories 2 Connect one positive end of the jump start cable to the positive cable terminal of the discharged battery Connect the other positive end of the jump start cable to the positive cable terminal of the electrical source 3 Connect one negative end of the jump start cable to the negative cable terminal of the electrical source Connect the other negative end of the jump start cable to the engine block or to the chassis ground This procedure helps to prevent potential sparks from igniting the combustible gases that are produced by some batteries 4 Start the engine 5 Immediately after the engine is started disconnect the jump start cables in reverse order After jump starting the alternator may not be able to fully recharge batteries that are severely discharged The batteries must be replaced or charged to the proper voltage with a battery charger after the engine is stopped Many batteries which are considered unusable are still rechargeable Refer to Operation and Maintenance Manual Batt
153. y wires or cables that are smaller than the recommended gauge Do not bypass any fuses and or circuit breakers Arcing or sparking could cause a fire Secure connections recommended wiring and properly maintained battery cables will help to prevent arcing or sparking Inspect all lines and hoses for wear or for deterioration The hoses must be properly routed The lines and hoses must have adequate support and secure clamps Tighten all connections to the recommended torque Leaks can cause fires Oil filters and fuel filters must be properly installed The filter housings must be tightened to the proper torque DO Illustration 10 g00704059 Use caution when you are refueling an engine Do not smoke while you are refueling an engine Do not refuel an engine near open flames or sparks Always stop the engine before refueling DIO Illustration 11 900704135 12 Safety Section Crushing Prevention and Cutting Prevention SEBU8327 Gases from a battery can explode Keep any open flames or sparks away from the top of a battery Do not smoke in battery charging areas Never check the battery charge by placing a metal object across the terminal posts Use a voltmeter or a hydrometer Improper jumper cable connections can cause an explosion that can result in injury Refer to the Operation Section of this manual for specific instructions Do not charge a frozen battery This may cause an explosion

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