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Liberty User Manual

1. 6 Bro qe i o LE 11 Diesel Engine 11 MOtOr C 11 Air Storage 11 RevolveAir Fill Station 11 Purification System 12 RET 12 Optional Equipment 12 Flood Light Assembly 12 Cold Weather 12 High Pressure Hose Reel 12 Smart Fill Auto Cascade Filling System 12 4 Starting and Operating the Liberty System 15 Working with Compressed Air 15 Positioning the Unit for Operation 16 Pre Operation Checks 16 Operation of the Compressor 22 Main Control Panel 22 Diesel Engine Control Panel 23 Using Diesel Engine Power 24 Using Electric Power 25 Operating the Compressor 26 Compressor Stage Readings 28 Information Button saci etm beo Deni 29 Service Notifications 29 System Tolerances and Overrides 30 Use of the Purge 30 OVOITIC
2. e Hours Remaining on Purifier Filters HRS MIN Air Sample Due MM DD YY e CO Sensor Installation Date MM DD YY DP Sensor Installation Date MM DD YY e Time Remaining for Compressor Service HRS e Carbon Monoxide Calibration Due MM DD YY After the complete sequence select REPEAT to start the sequence or EXIT Liberty Trailer Operating Instructions 4 Starting and Operating Service Notifications The system will light the SERVICE light on the X4 Con troller panel when one of the service requirements is due The operator should report any approaching service requirements to the System Administrator in a timely manner so that the necessary service can be scheduled and performed SERVICE SHUTDOWN The X4 Controller tracks the primary Service intervals for several important service functions including e Total Hours of operation time e Hours since last compressor service e Hours remaining on Purifier Filters e When the next Air Sample is due e When the next Carbon Monoxide Calibration is due system will light the SERVICE light on the X4 Controller panel when one of these service require ments is due The operator must report any Service Due notifications to the System Administrator in a timely manner so that the necessary service can be scheduled and performed Refer to the Service Schedule section of Chapter 7 OPERATOR MAINTENANCE CHECKS for details of the service acti
3. 31 System Shutdown 32 Liberty Trailer Operating Instructions Liberty Trailer Operating Instructions SCOTT P N 595132 01 REVE 7 12 5 Charging Breathing Air Cylinders 99 Cylinder Inspection 36 Fill Pressure Adjustment Cylinder Mounting and Charging 39 Cylinder Charging 40 Alternate Charging Procedure 42 Manually Charging Storage Cylinders 42 6 Additional 43 Low Pressure Air Supply Operation 43 Auxiliary Generator Operation 4 4 Flood Light Installation and Operation 45 Raising the Flood Light Tower 46 Cold Weather Package 47 High Pressure Hose Reel 48 7 Operator Maintenance Checks 51 Service Schedules 51 Condensate Container 52 NC ML 53 53 Clutch Adjustment Procedure 99 Manually Activating the Air Clutch 95 Remote Air Intake Valve 56 Check Trailer Tires 56 8
4. i 1 LJ 4 M J 14 E m m m tore F nsnm tnc am em mm SHS LBS 0309 G76 AC Power Input for electric motor power switch N WARNING Be sure that the input electrical power supply is correct for the Liberty System to be powered All electrical supply wiring must be performed by a qualified electrician and conform to the National Electric Code and must comply with all State and local codes and regulations including proper ground ing of the equipment Verify that the power supply connector matches the receptacle on the Liberty unit and is correct voltage amperage and phase for the specific requirements of the trailer Verify the correct compressor rotation before operation Use of incorrect electrical power input may permanently damage the equipment and could cause serious injury or death to the user Liberty Trailer Operating Instructions Turn the external power source ON wall mounted FOR DIESEL OPERATION TURN TO OFF FOR ELECTRICAL OPERATION TURN TO ON 5 Standing at the main control panel turn the power mode selector switch on the instrument panel toward ELECTRIC Mode Selector Emergency SHS LBS 0308 G25NC Shutdown Button 6 Turnthe red Emergency Shutdown button clockwise to verify that it is released popped out 7 X4 Controller will go through its System Boot for 15 seconds 8 Verify the correct compressor rotation bef
5. 33 4 Starting and Operating 34 NOTES Liberty Trailer Operating Instructions GC Liberty Trailer Operating Instructions 5 Charging Breathing Air Cylinders The process for charging breathing air cylinders includes Refer to the guidelines listed in Working with Compressed Air at the beginning of Chapter 4 Cylinder Inspection Fill Pressure Adjustment Cylinder Mounting and Charging N DANGER If any air leak is noted or the Liberty Trailer mobile breathing air system does not operate as described in this manual immediately terminate use of the equipment and consult with a certified service tech nician before proceeding Use of malfunctioning equipment may create circumstances resulting in serious personal injury or death N DANGER Do not refill any cylinder that is damaged or not within the prescribed hydrostatic test date as determined by the appropriate US Department of Transportation DOT specification or the applicable DOT exemp tion or in accordance with the appropriate Transport Canada TC Permit of Equivalent Level of Safety Damaged cylinders may suddenly leak or rupture if charged with compressed air Failure to inspect for damage and to empty the air from damaged cylinders may result in personal injury or death Liberty Trailer Operating Instructions N DANGER When charging more than one breathing air cylinder together charge only cylinders that have the same pressur
6. 6 18 Compressor Air Inlet Filter 7 19 Compressor 20 Coolant Fill Rotary Disconnect Switch 8 9 ASME Storage Cylinders 21 Flood Light Tower Mast 3 under chassis 1 inside enclosure 10 Lifting Eye Tie Down 11 Spare Tire Optional 22 Air Storage Isolation Valve 23 Optional Hose Reels Liberty Trailer Operating Instructions 3 Features Figure 3 4 Liberty II Additional Views N errre eu HAN a Er ee WIN V Het 9 NOS 5 I KE pests WS d UT iA 8550 NET TI 54 SHS LBS 0309 G129 1 Top Storage Optional 6 Surge Brake Actuator 2 Trailer Jack Assembly 7 Spare Tire Optional 3 Parking Brake 8 RevolveAir Fill Station 4 Flood Light Assembly 9 ASME Storage Cylinders 5 Remote Air Intake 3 under chassis 1 inside enclosure Liberty Trailer Operating Instructions 9 3 Features Figure 3 5 Simplified System Diagram AAR AMA A 7 LOW PRESSURE LOW PRESSURE CLUTCH CONTROL 1ST LT 8 PANEL AIR 2ND STAGE INTAKE 3RD STAGE AMI 4TH STAGE 2 COMPRESSOR GAUGE PANEL FILTER T RS INTERCOOLER COMPRESSOR AWS DRIVE SYSTEM 5 07 ELECTRIC 4 STAGE MOTOR COMPRESSOR CLUTCH AFTER COOLER TO 2ND 110 amp 220V GENERATOR AC OUTLETS STAGE B 3 SOL
7. LTH amp SAFETY 50 50 1 Flow Control Dial 2 Flow Adjustment Eye Liberty Trailer Operating Instructions When the system reaches maximum pressure the compressor will run in a cool down cycle for 2 minutes During this time the compressor will run unloaded while draining the moisture separators and cooling down the compressor stages After the cool down cycle the compressor will stop If you are using the diesel power the clutch will deactivate to stop the compressor The engine will drop down to idle speed If the generator switch is ON the engine will continue at running speed Operating the Compressor continued on the next page 27 4 Starting and Operating Operating the Compressor Continued 8 Ifthe X4 Controller is in AUTO mode the compressor will restart when pressure drops approximately 500 psi below maximum system pressure If the storage pressure was already FULL when the system was started the display will say Storage Full and the compressor will still restart automatically when the pressure drops If you are using the diesel power in the AUTO mode the compressor will only restart if the engine is still running N DANGER NEVER attempt to perform service inside the trailer while the compressor system is in use in the AUTO mode When the compressor system is in the AUTO mode the compressor will restart when the storage pressure drops approximately 500 psi below maxi mum press
8. Liberty Trailer Operating Instructions 77 9 Towing the Liberty Trailer Safety First Basic Tire Maintenance Continued 1 5 9 3 Additional Information on Light Truck Tires Tires for light trucks have other markings besides those found on the sidewalls of passenger tires Please refer to Load the following diagram LT The LT indicates the tire is for light trucks or trailers ST An ST is an indication the tire is for trailer use only Max Load Dual kg Ibs at kPa psi Cold This information indicates the maximum load and tire pressure when the tire is used as a dual that is when four tires are put on each rear axle a total of six or more tires on the vehicle Max Load Single kg Ibs at kPa psi Cold This information indicates the maximum load and tire pressure when the tire is used as a single Load Range amp inflation when This information identifies the tire s load carrying capabilities used as a single and its inflation limits 1 6 Tire Safety Tips Preventing Tire Damage Slow down if you have to go over a pothole or other object the road Do not run over curbs or other foreign objects in the roadway and try not to strike the curb when parking Tire Safety Checklist Check tire pressure regularly at least once a month including the spare Inspect tires for uneven wear patterns on the tread cracks foreign objects or other signs of wear or trauma Remo
9. Sidewall separation The parting of the rubber compound from the cord material in the sidewall Special Trailer ST tire The ST is an indication the tire is for trailer use only Test rim The rim on which a tire is fitted for testing and may be any rim listed as appropriate for use with that tire Tread That portion of a tire that comes into contact with the road Tread rib A tread section running circumferentially around a tire Tread separation Pulling away of the tread from the tire carcass Treadwear indicators TWI The projections within the principal grooves designed to give a visual indication of the degrees of wear of the tread Vehicle capacity weight The rated cargo and luggage load plus 68 kilograms 150 16 times the vehicle s designated seating capacity Vehicle maximum load on the tire The load on an individual tire that is determined by distributing to each axle its share of the maximum loaded vehicle weight and dividing by two Vehicle normal load on the tire The load on an individual tire that is determined by distributing to each axle its share of the curb weight accessory weight and normal occupant weight distributed in accordance with Table of CRF 49 571 110 and dividing by 2 Weather side The surface area of the rim not covered by the inflated tire Wheel center member In the case of a non pneumatic tire assembly incorporating a wheel a mechanical device which attaches either integ
10. Check all other engine and auxiliary systems clutch adjustments etc The air quality produced by the LIBERTY System should be checked regularly at the following intervals Every thirty 30 days Calibrate the carbon Monoxide Monitor using SCOTT Test Kit P N AB16 0533 Take an air sample to verify air quality meets or exceeds CGA Grade E breathing air An air sample is required after any service to the system that effects the breathing air path that is from the air purifier filters on For example changing the air filters would require taking an air sample To maintain compliance some regulatory standards require an air sample taken BEFORE one 1 week maximum and AFTER purifier service Other major compressor maintenance is required at specific time intervals depending on the make and model of the compressor The operator should keep the System Administrator informed as to the total compressor run time so these maintenance tasks can be scheduled 51 7 Operator Maintenance Checks Condensate Container If operating the compressor for an extended period of time be aware of the level of condensate in the condensate container The condensate container should be drained every 10 hours of operation 1 Remove the container from under the compressor frame and pour condensate out from the hose connection spout N DANGER NEVER perform service on this equipment unless the electric power is switche
11. Liberty Trailer Mobile Breathing Air Systems Operating Instructions To reduce the risk of fire electrical shock injury to persons or damage when using this equipment follow basic precautions including the following 1 Read and follow ALL user instructions and recommended procedures and safety precautions as provided in this manual Failure to do so could result in serious injury or death Read and follow all DANGER WARNING and CAUTION statements in this instruction Failure to do so could result in serious injury or death These statements use the following pattern DANGER Danger is used to indicate the presence of a hazard that will cause severe personal injury death or sub stantial equipment damage if the warning is ignored WARNING Warning is used to indicate the presence of a hazard which may cause severe personal injury or substan tial component damage if the warning is ignored CAUTION Caution is used to indicate the presence of a hazard which can cause minor personal injury or component damage if the warning is ignored NOTE Notes are used to notify the operator of installa tion operation or maintenance information that is important but not hazard related Do not operate this equipment while under the influence of drugs alcohol or any medications or substances which may affect vision dexterity or judgment Users of this equipment must be in good physical and mental health in order to operate saf
12. System Administrator Responsibilities 57 Modify System Settings 57 Perform System Service 58 Calibrate the CO Monitor 59 9 Towing the Liberty System Trailer 61 Towing 2 61 Brake Actuator Systems 62 Hitching the Trailer 63 General Towing Guidelines 64 Unhitching the Trailer 64 Trailer Lifting Eyes Tie Downs 64 Tire Safety Information 65 10 ao zo ORE TERR ERR 79 Maintenance Record 82 List of Figures Figure 3 1 Liberty Single Axle Top View 6 Figure 3 2 Liberty Additional Views 7 Figure 3 3 Liberty Il Tandem Axle Top View 8 Figure 3 5 Simplified System Diagram 10 Figure 8 1 Trailer Hitch and Actuator 59 Safety Notations The following types of safety notations are used throughout this manual Observe all safety notations Failure to observe safety N DANGER Danger is used to indicate the presence of a hazard that will cause severe personal injury death or sub stantial equipment damage if the warning is ignored N WARNIN
13. 0 PPM Calibration in Process gas cylinders from the Calibration Kit a Remove the dust cap from the Calibration Port on the X4 Control Panel Connect the 0 PPM CO Zero Gas Cylinder to the Calibration Port and OPEN the cylinder valve Time Remaining XX Seconds This process will take 60 seconds When prompted for the next step CLOSE the Zero Gas cylinder valve and disconnect the cylinder from the Calibration Port Perform System Service Calibrating the CO Monitor continued on the next page 59 Liberty Trailer Operating Instructions 8 System Administrator Responsibilities Perform System Service Calibrating the CO Monitor Continued e Connect the 20 PPM CO Cylinder to the Calibration Port on the X4 Control Panel and OPEN the cylinder valve N CAUTION THREAD THE HOSE CONNECTION CAREFULLY ONTO THE CALIBRATION PORT DO NOT CROSS THREAD OR FORCE WHICH MAY CAUSE DAM AGE TO THE CONNECTOR AND RESULT IN INAC CURATE CALIBRATION SERVICE SHUTDOWN LTH amp SAFETY 1 Calibration Port 2 Flow Control Dial 3 Air Flow Adjustment Eye f Adjust the Flow Meter to 50 50 with the Flow Control knob and select NEXT F2 button The display will ask If Flow Indicator is at 50 50 Level Press CAL Button Select CAL F2 button h Display will read 20 PPM Calibration in Process Time Remaining XX Seconds This process will take 60 seconds i After the 60 seconds the displ
14. Maintenance checks operator maintenance procedures 51 Maintenance procedures battery 53 belts 53 clutch adjustment 55 condensate container 52 remote air intake valve 55 Manual control valve operation 42 Mode selector switch location 23 Oil level engine checking 19 Operating guidelines pre operating checks 18 system tolerances and overrides 30 working with compressed air 15 Options cold weather package 12 flood light assembly 12 high pressure hose reel 12 Smart Fill Auto Cascade Filling System 12 P Parts ordering 4 Pre operation checks 18 Precautions See also Safety Notations compressed air 15 RevolveAir Fill Station description 13 operation 32 37 S Safety labels 3 working with compressed air 15 Safety labels 3 Safety notations 2 Storage cylinder pressure gauge location 23 37 Liberty Trailer Operating Instructions 5 Storage cylinders ASME description 11 System tolerances and overrides 30 System Administrator Responsibilities 57 Modify System Settings 57 Perform System Service 58 Calibrate the CO Monitor 59 T Tires checking 56 maintenance 56 Tire Safety Information 65 Towing brake actuator 62 GVWR 61 hitching the trailer 63 safety chain installation 63 Towing procedures 61 Trailer hitching 63 lifting 64 safety chains 63 tie down 65 towing 61 unhitching the tow vehicle 64 Trailer jack assembly operation 63 Trailer lifting eyes description 64 V Valv
15. damage may occur to the generator and or the loads Do not use the generator to power equipment which may be sensitive to voltage or frequency Hz fluctuations Operation of the generator for unintended uses may result in damage to the generator or the loads and may lead to serious injury or death N CAUTION Do not use the power outlets when the generator switch is OFF The outlets will not remain powered if the engine idles down when the compressor clutch disengages Failure to follow this instruction may lead to equipment or component damage due to an interrupted power supply Chapter 4 To activate the generator turn the generator toggle switch to the ON position When the engine is ON and the compressor is running the generator is ON and the power outlets are active regardless of the generator switch setting When the GENERATOR ONLY SHS LBS 0308 G135NC Generator Voltmeter top and Toggle Switch generator switch is ON and the compressor is not running the engine will maintain the proper speed to run the generator and to power the outlets When the generator switch is OFF the engine will idle when the compressor clutch disengages Generator Operation Check Monitor the generator voltmeter while the generator is in operation The voltage reading should be close to 120 V If the reading drops below 115 VAC the generator may be overloaded Check the loads be ing powered by the generator If the voltage dro
16. wrapped or reinforced by ply cords and that is shaped to fit the rim Bead separation This is the breakdown of the bond between components in the bead Bias ply tire A pneumatic tire in which the ply cords that extend to the beads are laid at alternate angles substantially less than 90 degrees to the centerline of the tread Carcass The tire structure except tread and sidewall rubber which when inflated bears the load Chunking The breaking away of pieces of the tread or sidewall Cold inflation pressure The pressure in the tire before you drive Cord The strands forming the plies in the tire Cord separation The parting of cords from adjacent rubber compounds Cracking Any parting within the tread sidewall or inner liner of the tire extending to cord material CT A pneumatic tire with an inverted flange tire and rim system in which the rim is designed with rim flanges pointed radially inward and the tire is designed to fit on the underside of the rim in a manner that encloses the rim flanges inside the air cavity of the tire Curb weight The weight of a motor vehicle with standard equipment including the maximum capacity of fuel oil and coolant and if so equipped air conditioning and additional weight optional engine Extra load tire A tire designed to operate at higher loads and at higher inflation pressures than the corresponding standard tire Groove The space between two adjacent tread ribs Gross Axl
17. 66 Liberty Trailer Operating Instructions 9 Towing the Liberty Trailer Steps for Determining Correct Load Limit Trailer Continued 1 1 1 Trailers 10 000 Pounds GVWR or Less Locate the statement The weight of cargo should never exceed XXX kg or XXX Ibs on your vehicle s placard See figure 1 1 This figure equals the available amount of cargo and luggage load capacity Determine the combined weight of luggage and cargo being loaded on the vehicle That weight may not safely exceed the available cargo and luggage load capacity The trailer s placard refers to the Tire Information Placard attached adjacent to or near the trailer s VIN Certification label at the left front of the trailer 1 1 2 Trailers Over 10 000 Pounds GVWR 1 2 Note These trailers are not required to have a tire information placard on the vehicle Determine the empty weight of your trailer by weighing the trailer using a public scale or other means This step does not have to be repeated Locate the GVWR Gross Vehicle Weight Rating of the trailer on your trailer s VIN Certification label Subtract the empty weight of your trailer from the GVWR stated on the VIN label That weight is the maximum available cargo capacity of the trailer and may not be safely exceeded Steps for Determining Correct Load Limit Tow Vehicle Locate the statement The combined weight of occupants and cargo should never exceed XXX Ibs on your vehicle s pl
18. ASCOTT trained and certified operator must monitor the sys tem gauges at all times and take immediate action to guard against equipment failure This equipment is intended for providing breathable air to save lives Failure to monitor the system may lead to permanent equipment damage serious personal injury or death N WARNING Hearing protection may be required when using the LIBERTY Trailer compressor system for extended periods of time Refer to the personal safety guide lines or requirements of your organization Exposure to high sound levels may cause temporary or per manent hearing loss in some individuals 22 Main Control Panel The main control panel is located at the rear of the unit above the charge chamber accessible via the control panel access door The control panel contains controls for operating the system and for regulating breathing air cylinder charging Follow the directions on the X4 Controller display screens You will be instructed to either press one of the buttons on the keypad START OPERATE PURGE etc or one of the Function buttons directly below a selection on the display F1 F2 or F3 Before operating the Liberty mobile breathing air system the operator must be familiar with the location and func tion of all controls and gauges on the main control panel A label on the back of the control panel access door provides summarized instructions for operation The operator must be trained in the
19. Failure to follow this warning can lead to personal injury or damage to the equipment 5 Tighten the tower s T handle clamp located just below the tower assembly 6 Loosen the five 5 tower mast screws 7 Connect the flood light power cord SHS LBS 0309 G72 Flood Light Assembly Storage 1 Flood Light Assembly 2 Safety Pin N WARNING Floodlight lamps become very hot when in use DO NOT touch the floodlights place flammable material over the floodlights or store floodlights during or immediately after use Allow lights to cool down before handling Failure to follow this warning can lead to damage to the equipment personal injury or death Continued on the next page Liberty Trailer Operating Instructions 45 6 Additional Features Flood Light Operation Continued 8 Standing at the main control panel with the engine running turn ON the generator switch Then turn ON the flood light toggle switch GENERATOR ONLY SHS LBS 0308 G131NC Flood Light Switch top and Generator Switch Raising the Remote Air Inlet Flood Light Tower 46 Before raising the tower look for any overhead obstructions power lines tree limbs etc Relocate the trailer if necessary Loosen the five 5 tower mast screws Pull out on the Tower Control knob on the main control panel Turn the knob slowly clockwise to raise the tower Stop turning the knob when the desired height is reached When t
20. Rated power 46 9 max hp at 3000 RPM Oil capacity 5 8 quarts Fuel _ Diesel Motor Fuel Electric Motor Voltage Avail 208 230 380 415 or 460 Type 3 phase Amperage 60 amp Frequency 90 60 Hz Purification System Model 65AL4 Processing capacity 84 000 SCF Working pressure 6000 psi Filter life 50 hrs Generator Rating 0 7 2 Kw Maximum 30 amp 240 V Liberty Trailer Operating Instructions System Operation The production of high pressure breathing air can be divided into four categories Compression accomplished by a multi stage compressor assembly Purification accomplished by mechanical filtration and chemical purification Storage accomplished in ASME storage cylinders Handling and Charging accomplished with equipment used to connect and fill the breathing air cylinders The compressor is powered with either an electric motor or a diesel engine Electric power is suitable for inside use such as in fire stations or hangers diesel power must only be used outdoors Power is delivered to the compressor via vee belts and an air actuated clutch Air is compressed to the maximum system pressure in four stages Compressed air then passes through a series of purification filters to maintain CGA Grade D E breathing air Regular certification of the breathing air quality is the responsibility of the
21. air pressure is fully charged approximately 120 psi start the engine and operate the system in a normal manner Refer to the starting and operating procedure in Chapter 4 Allow the ASME storage receivers to reach 300 to 500 psi before removing the breathing air cylinder Close the breathing air cylinder valve SLOWLY open the bleed valve approximately 1 8 to 1 4 turn When air has stopped escaping turn the charge adapter clockwise to release the cylinder Recharge the breathing air cylinder according to Chapter 5 Charging Breathing Air Cylinders Allow the storage system to fully recharge before shutting down Liberty Trailer Operating Instructions 7 Operator Maintenance Checks Remote Air Intake Valve The remote air intake located on the tower assembly receives a certain degree of moisture from the ambient air depending on precipitation and humidity levels SHS LBS 0309 G104 Remote Air Intake Drain Valve Drain this valve daily if operating the unit in rainy or humid conditions The valve is accessible from the rear of the unit below the main control panel N DANGER Always apply the parking brake and chock the trailer wheels while performing maintenance checks If the trailer begins to roll unexpectedly severe personal injury death or permanent damage to equipment can result 55 7 Operator Maintenance Checks Check the Trailer Tires Optimum operating tire pressure is as follows LI
22. also Improve vehicle handling Help protect you and others from avoidable breakdowns and accidents Improve fuel economy ncrease the life of your tires This booklet presents a comprehensive overview of tire safety including information on the following topics Basic tire maintenance Uniform Tire Quality Grading System Fundamental characteristics of tires Tire safety tips Use this information to make tire safety a regular part of your vehicle maintenance routine Recognize that the time you spend is minimal compared with the inconvenience and safety consequences of a flat tire or other tire failure Tire Safety Information Continued on following page 72 Liberty Trailer Operating Instructions 9 Towing the Liberty Trailer 1 5 Safety First Basic Tire Maintenance Properly maintained tires improve the steering stopping traction and load carrying capability of your vehicle Under inflated tires and overloaded vehicles are a major cause of tire failure Therefore as mentioned above to avoid flat tires and other types of tire failure you should maintain proper tire pressure observe tire and vehicle load limits avoid road hazards and regularly inspect your tires 1 5 1 Finding Your Vehicle s Recommended Tire Pressure and Load Limits Tire information placards and vehicle certification labels contain information on tires and load limits These labels indicate the vehicle manu
23. as fire stations or hangers Diesel power must only be used outdoors where sufficient ventilation is available SHS LBS 0309 G55 IMPORTANT Follow ALL recommended procedures and safety precautions as provided in this manual N WARNING ALWAYS follow all Federal State and local codes for set up and use of this equipment Failure to adhere to Federal State and local codes during set up and use of this equipment may permanently damage the equipment and could cause serious injury or death to the user Liberty Trailer Operating Instructions Federal State and local codes mandate many safety precautions and procedures for the handling and production of breathable air Consult State and local occupational health and industrial safety ordinances for additional requirements N DANGER Before initial operation this equipment must be set up and checked by a SCOTT Safety authorized ser vice technician Do not operate if the equipment has not been prepared by a SCOTT authorized service technician Use of this equipment without proper set up may result in serious personal injury death or permanent equipment damage N DANGER Training is required before use of this equipment Improper use of this equipment may result in seri ous injury or death Improper use includes but is not limited to use without adequate training disregard of the warnings and instructions contained herein and failure to inspect and maintain t
24. at 208 230 VAC All electrical supply wiring must be performed by a qualified electrician and conform to the National Electric Code and must comply with all State and local codes and regulations including proper grounding of the equipment Liberty Trailer Operating Instructions 3 Features Purification System The breathing air purification system is rated for 6000 psi working pressure to purify up to 84 000 SCF of air per chemical cartridge set based on 70 F 21 C inlet temperature The system purifies the pressurized breathing air using a series of filters and desiccant driers to remove airborne foreign particles oil and moisture and chemical catalysts to neutralize chemicals and odors prior to the air entering the storage cylinders Two of the Four Air Purifiers Air Storage System The air storage system on the Liberty consists of two ASME storage cylinders while the Liberty II includes four ASME storage cylinders Each cylinder has the capacity to store 454 standard cubic feet SCF at 5000 psi or 525 SCF at 6000 psi These cylinders do not require hydrostatic testing The SCOTT Smart Fill auto cascade cylinder filling system is available as an option ONLY on the LIBERTY mobile breathing air system SHEL ES aA ASME Storage Cylinders Liberty 1 11 3 Features Generator The generator provides 7 2 kw single phase power to four 120 VAC 15 amp outlets and one 220 VAC 30 amp outlet Because
25. corner of the main control panel The indicator lights on the top of the control panel provide warnings for vari ous engine operating conditions 1 Engine Key 2 Low Fuel Warning Light not used 3 Warning for Indicator Light Failure 4 Low Engine Oil Pressure Warning Light 5 High Engine Temperature Warning Light 6 Alternator Warning Light 7 Auxiliary Shut Down not used 8 Glow Plug 9 Inlet Air Restriction Warning Light 10 Auxiliary Shut Down not used Liberty Trailer Operating Instructions 9 Emergency Shutdown 10 Compressor Pressure Gauge 11 Fill Pressure Regulator 12 Storage Cylinder Pressure Gauge 13 Breathing Air Cylinder Pressure Gauge 14 Fill Control Valve 15 Auxiliary Air Outlet Diesel Engine Control Panel 23 4 Starting and Operating Using Diesel Engine Power 1 Follow the instructions in Pre Operation Checks and Positioning the Unit for Operation 2 Open the right side trailer door and locate the Rotary Disconnect Switch at the right front corner of the trailer Turn the Rotary Disconnect Switch to the OFF position Close the trailer door D J OFF FOR DIESEL POWER FOR DIESEL OPERATION TURN TO FOR ELECTRICAL OPERATION TURN 3 Standing at the main control panel turn the mode selector switch toward ENGINE Mode Selector Emergency Shutdown Button 4 Turnthe red Emergency S
26. five seconds and reenter password 6 Thedisplay will say CHANGE USER PASSWORD Select YES F1 button If you select NO F3 button you will proceed to the OVERRIDE FEATURE below 7 Enter a six digit number made up of 1 s 2 s and or 3 s by pressing the F1 F2 and or F3 buttons below the display Keep a record of your new password in a safe place When finished press the START button on the keypad 8 The display will ask you to reenter the new password and press the START button on the keypad again If the second entry matches the first the display will say PASSWORD WAS SUCCESSFULLY CHANGED PRESS CONTINUE You will proceed to the OVERRIDE Feature below Modify System Settings continued on next page 57 8 System Administrator Responsibilities Modify System Settings continued Overrides The OVERRIDE capability is password protected and may be DISABLED or ENABLED as determined by the system Administrator who has the responsibility for main tenance of this equipment The X4 Controller includes limited shutdown override capability for high dew point high air temperature high carbon monoxide levels and low oil level or pressure Override allows the operator to continue running the system in an out of tolerance condition up to a maximum preset tolerance or for one hour whichever occurs first The System Administrator must decide whether to DIS ABLE or ENABLE the Override function Disabling the Over
27. for Maintaining Proper Tire Pressure Step 1 Locate the recommended tire pressure on the vehicle s tire information placard certification label or in the owner s manual Step 2 Record the tire pressure of all tires Step 3 If the tire pressure is too high in any of the tires slowly release air by gently pressing on the tire valve stem with the edge of your tire gauge until you get to the correct pressure Step 4 If the tire pressure is too low note the difference between the measured tire pressure and the correct tire pressure These missing pounds of pressure are what you will need to add Step 5 Ata service station add the missing pounds of air pressure to each tire that is under inflated Step 6 Check all the tires to make sure they have the same air pressure except in cases in which the front and rear tires are supposed to have different amounts of pressure If you have been driving your vehicle and think that a tire is under inflated fill it to the recommended cold inflation pressure indicated on your vehicle s tire information placard or certification label While your tire may still be slightly under inflated due to the extra pounds of pressure in the warm tire it is safer to drive with air pressure that is slightly lower than the vehicle manufacturer s recommended cold inflation pressure than to drive with a significantly under inflated tire Since this is a temporary fix don t forget to recheck a
28. handle on the right side of the chamber YELLOW lock bars NOT showing N DANGER NEVER fill cylinders at a rate higher than the rate established by your respiratory protection program or in certain circumstances the DOT or TC Scott recommends that the flow rate not exceed 1500 PSIG Minute for most cylinder and valve assemblies Filling at too high a rate may result in catastrophic failure of the cylinder leading to serious personal injury or death N CAUTION Practice caution when rotating the turntable Catch ing fingers hands hair articles of clothing or other objects in the door may result in personal injury or damage to the fill station 6 Rotate the turntable 180 until it clicks into position 9 SCOTT recommends fill rate of 1500 psi minute unless otherwise specified by the cylinder manufacturer the DOT or TC or your respiratory protection program At this fill rate a 4500 psi rated cylinder will charge in approximately 3 to 3 1 2 minutes Adjust the fill rate as follows a Slowlyturnthe Fill Control Valve counterclockwise to increase the rate at which the cylinders are filled b Watch the pressure reading on the Breathing Air Cylinder Gauge Ifthe fill rate is too high turn the Fill Control Valve fully clockwise to decrease the flow then slowly turn the Fill Control Valve counterclockwise to adjust to the proper rate d Once fill pressure and fill rate are set for charging cylinders
29. of the same pressure rating these settings should not be changed However the fill rate adjustment may need to be readjusted as the supply pressure may change Rotating the RevolveAir Turntable 7 Close and lock the charging chamber door The door is locked when the YELLOW bar is visible above the door frame 8 The cylinders will immediately begin charging Check the Breathing Air Cylinder Gauge on the main control panel for the pressure reading of the cylinders being charged 40 Liberty Trailer Operating Instructions 5 Charging Breathing Cylinders Remove the charged breathing air cylinders as follows Y gn 12 Use the chamber lock handle to release the turntable N C A U 10 N to access the breathing air cylinders 13 Close the cylinder valves on the mounted breathing NEVER use a wrench or other tool to tighten the air cylinders bleed valves or cylinder adapters Excessive force 14 Slowly open the bleed valve to vent the air lines to will damage the sealing surfaces and result in cyl the cylinders If the air does not stop venting verify inder leakage that the cylinder valves are closed 15 Hold the cylinder in place and turn the charge adapter clockwise to remove the cylinder Handle 10 While the breathing air cylinders are being filled the charged cylinder caretully inside the charge chamber mount the second set 16 After all breathing air cylinders are charged allow the of cylinders on the rigid a
30. pneumatic tools must be added after the auxiliary low pressure outlets Failure to follow this precau tion may contaminate air supply which can result in personal injury or death ee er i Low Pressure Supply 43 6 Additional Features Auxiliary Generator Operation The generator provides power to one 1 220 VAC single phase 30 amp socket and four 4 120 VAC single phase 15 amp sockets The 220 VAC socket is mounted on the back of the generator the 120 VAC sockets are located on the remote panel above the trailer tongue The generator can be used for the flood light assembly additional portable lighting or for electric power tools To use the generator start the engine according to the Starting and Operating section of this manual in N WARNING DO NOT overload the generator The generator is intended for loads like power hand tools and ad ditional lighting Check the voltage and amperage requirements for the loads being powered to verify that the loads will not exceed the power output of the generator Do not use the generator to power a fixed installation or to supply power to another vehicle Operation of the generator for unintended uses may result in damage to the generator or the loads and may lead to serious injury or death N WARNING The power output of the generator is dependent on the speed of the engine If the engine speed does not remain constant for any reason
31. source wall mounted switch b Disconnect the power source connection from the front of the trailer and stow the power cable 12 Before towing or moving the trailer remove the wheel chocks raise the trailer jack assembly remove the wheel and release the parking brake by raising the handle Refer to the towing instructions in Chapter 8 of this manual Liberty Trailer Operating Instructions 4 Starting and Operating Emergency Shutdown In case of emergency push in the red Emer gency Shutdown button This will automatically stop the compressor The diesel engine will idle down if the generator switch is OFF or will maintain generator speed if the generator switch is ON The engine will continue to run until the ignition key is turned OFF The compressor will be locked out and unavailable for four 4 minutes after the Emergency Shutdown button is pushed ENGINE GENERATOR CHARGE STATION COMPRESSOR FILL PRESSURE STORAGE PRESSURE REGULATOR PRESSURE BREATHING AIR a CYLINDER PRESSURE LIBERTY SERIES Emergency Shutdown Button N WARNING Use of the Emergency Shutdown button will stop the compressor immediately without the benefits of a two minute cool down cycle In the Emergency Shutdown mode the compressor will be locked out and unavailable for four 4 minutes Repeated use of the Emergency Shutdown will result in residual moisture in the system which may result in serious damage to the equipment
32. the operator in case of a cylinder failure If a cylinder ruptures the chamber vents release expanded air through the bottom grating RevolveAir Fill Station Liberty Trailer Operating Instructions 3 Features 13 3 Features NOTES 14 Liberty Trailer Operating Instructions GC Liberty Trailer Operating Instructions 4 Starting and Operating the Liberty System Introduction The operator of the Liberty Mobile Breathing Air System must be fully trained before operating the equipment The operator is responsible for e Proper positioning of the trailer before use e Pre Operational Checks e _ Safe operation of the compressor including checking all installed system monitors such as CO or dew point e Reporting any service notices for routine maintenance or any notices for out of tolerance conditions e Responding properly to any out of tolerance conditions that may occur e Proper shutdown of the equipment and preparation for transport The operator must be trained in charging breathing air cylinder as well as the hazards of working with compressed air The System Administrator who has the responsibility for setup and maintenance of this equipment must inform the operator what features have been ENABLED and are available to the operator including System Overrides N DANGER Training is required before use of this equipment Improper use of this equipment may result in seri ous injur
33. the vehicle when a tire rotates the tire must be properly balanced This balance is achieved by positioning weights on the wheel to counterbalance heavy spots on the wheel and tire assembly A wheel alignment adjusts the angles of the wheels so that they are positioned correctly relative to the vehicle s frame This adjustment maximizes the life of your tires These adjustments require special equipment and should be performed by a qualified technician 1 5 8 Tire Repair The proper repair of a punctured tire requires a plug for the hole and a patch for the area inside the tire that surrounds the puncture hole Punctures through the tread can be repaired if they are not too large but punctures to the sidewall should not be repaired Tires must be removed from the rim to be properly inspected before being plugged and patched Safety First Basic Tire Maintenance Continued on following page Liberty Trailer Operating Instructions 75 9 Towing the Liberty Trailer Safety First Basic Tire Maintenance Continued 1 5 9 Tire Fundamentals Federal law requires tire manufacturers to place standardized information on the sidewall of all tires This information identifies and describes the fundamental characteristics of the tire and also provides a tire identification number for safety standard certification and in case of a recall 1 5 9 1 Information on Passenger Vehicle Tires Please refer to the following diagram P The P
34. use of the Liberty mobile breathing air system The operator must also read and understand all procedures included in this manual prior to operating the mobile breathing air system During operation the X4 Controller will display service notices regarding required service activities such as Compressor Service or replacement of the Purifying Filters The operator is responsible for notifying the Sys tem Administrator of any messages or alerts regarding service or maintenance requirements N DANGER Training is required before use of this equipment Improper use of this equipment may result in seri ous injury or death Improper use includes but is not limited to use without adequate training disregard of the warnings and instructions contained herein and failure to inspect and maintain this equipment Liberty Trailer Operating Instructions ENGINE GENERATOR T Qp ENGINE OFF ELECTRIC 4 Starting and Operating CHARGE STATION COMPRESSOR FILL PRESSURE STORAGE PRESSURE REGULATOR 44 PRESSURE 12 BREATHING AIR CYLINDER PRESSURE LL CONTROL AUXILIARY OUTLET gS 15 LIBERTY SERIES ABL18016 Main Control Panel 1 Diesel Engine Control Panel 2 Diesel Engine Hour meter 3 Generator Switch 4 Generator Voltmeter 5 Flood Light Switch 6 Tower Control 7 Mode Selector Switch 8 X4 Controller Diesel Engine Control Panel The diesel engine control panel is located on the upper left
35. 22 Heater Drape Locking Tab 47 6 Additional Features High Pressure Hose Reel At the hose reel control panel 1 Verify that the ASME storage cylinders are at Available as Liberty option only an optimal pressure for intended use of the high There must be at least two people operating the hose pressure hose reel assembly one to monitor the hose reel control panel 2 Op the fill control assembly verify that the Bleed while the other manages the hose reel connection and Valve and the Fill Control Valve are both closed breathing air supply hose 3 On the Hose Reel Control panel open the Fill Supply Valve Use the Pressure Regulator to set the output pressure suitable for the high pressure air receiver N DANGER ALWAYS make sure that the auxiliary air outlet is con nected with suitable high pressure hose or piping to a suitable receiver or apparatus designed to accept a high pressure air source Inappropriate use of this equipment may cause equipment damage or failure and can lead to serious personal injury N DANGER NEVER use the Fill Control Assembly to charge an SCBA air cylinder while the SCBA is being worn unless there is a compelling reason to assume the risk of injury is there is a component failure during the filling process NEVER use the Fill Control Assembly to charge an SCBA air cylinder while the SCBA is being worn in Hose Reel Control Panel an atmosphere that is IDLH Immediatel
36. BERTY two wheels 80 psi LIBERTY II four wheels 65 psi 56 i SHS LBS 0308 G43 Tire Air Pressure Check See Item Verify that the tires and rims are correct for the trailer LIBERTY two wheels LT 245 75 R16 LIBERTY Il four wheels ST 225 75 R15 Replacement tires must be the same size and load rating as the original equipment The rims must be the original alloy rims supplied with the traileror SCOTT approved replacements Do not substitute rims or tires for the original equipment Periodically check the torque of the wheel lug nuts The torque should be set to 85 foot pounds Use the lug nut tightening pattern below when checking the torque and when replacing a wheel after tire repair Wheel Lug Nut Tightening Pattern NOTES Liberty Trailer Operating Instructions GC Liberty Trailer Operating Instructions 8 System Administrator Responsibilities The System Administrator who has responsibility for this equipment has certain responsibilities and tasks beyond the normal Operator Maintenance Access to these is protected by a USER PASSWORD in the X4 Controller The responsibilities and tasks include To Modify System Settings Changing the USER PASSWORD Enabling or Disabling the Override function To Perform System Service Recording the date of an approved Breathing Air Sample Calibrating the Carbon Monoxide CO monitor The System Administrator must be thoroughly famil
37. ENOID x VALVE PURIFIER 110 220V AC AUTO DUMP VALVE CONDENSATE COLLECTOR 2 RELIEF MAIN CONTROL PANEL GAARD S ATIAN uw pet PRIORITY COMPRESSOR PRIORITY STORAGE VALVE PRESSURE VALVE PRESSURE 4 EO n i 1 1 gt 52 gt CHECK A O PURIFICATION VALVE L SYSTEM E T gt 538 CHECK 1 VALVE VALVE E Ee gy PRESSURE d aim 502 REGULATOR AIR STORAGE TANKS T CHARGE 55 CONTROL SEAL OFFS 2 TANKS ON LIBERTY I GAUGE a TWO 4 TANKS ON LIBERTY II ABS PRESSURE po RELIEF DRAIN VALVE STORAGE L CONTROL gt FRAGMENTATION CHARGE ISOLATION VALVE lt WITH BURST DISK DRAIN VALVE 40 Liberty Trailer Operating Instructions Compressor The Liberty Trailer mobile breathing air system is equipped with a heavy duty four stage air cooled compressor Stage and discharge pressures are indicated on the compressor gauge panel An air circulating fan mounted on the flywheel is used to blow cooling air through the four stage air coolers and over the compressor head cooling fins Air passing through the air coolers serves to lower the air temperature to increase compressor efficiency and condense and rem
38. ER The misuse of compressed air can cause severe injury or death Take every precaution in the use of compressed air Always remember to release all residual air pressure from the compressor system before repairing or doing maintenance work 15 4 Starting and Operating Positioning the Unit for Operation 1 Locate the unit in an area upwind from any airborne contaminants smoke exhaust dust chemical vapors etc A contaminated atmosphere places an abnormal load on the air inlet filter purifiers and compressor which will result in compressor wear and additional maintenance When operating outdoors with the diesel engine locate the unit away from any overhead obstacles that could interfere with the Remote Air Intake when it is extended Also locate the unit away from possible sources of air contamination such as smoke or exhaust from another vehicle Excessive contaminants in the air may result in more rapid depletion of the filtration system or could cause an increase in critical contaminants like Carbon Monoxide For Diesel operation DO NOT locate the trailer indoors in partly enclosed areas like open garages near open windows doors vents where the ee exhaust from the engine will create a hazard E d rl PPP Wrong LEAD CLOG Cah Pes N DANGER 1 Remote Air Intake Extended Never op
39. Fill Control Assembly 4 Open the valve on the receiver The Regulated Pressure Gauge on the Fill Control Assembly will register the existing pressure in the receiver Liberty Trailer Operating Instructions 49 6 Additional Features NOTES 50 Liberty Trailer Operating Instructions GC Liberty Trailer Operating Instructions 7 Operator Maintenance Checks Operator Maintenance Checks To ensure reliability of the system the operator is responsible for observing the unit during operation and performing necessary maintenance checks as described in this section N WARNING Do not perform maintenance tasks beyond the scope of this manual unless authorized as a SCOTT trained and certified service technician Performing service procedures without proper training may lead to permanent equipment damage or personal injury The operator should perform the following checks each time the LIBERTY System is used or at least once a week WITH THE SYSTEM OFF Check all Fluid levels compressor oil engine oil coolant etc Check the Belt condition and tension Check the Tire pressure Check for loose components Check the Remote Air Intake tower drain valve WITH THE SYSTEM RUNNING Runthe compressor system to operating temperature approximately 30 minutes and verify operation of the auto drain operation If the system fails to pass any of the tests within this manual DO NOT USE Remo
40. G Warning is used to indicate the presence of a hazard which may cause severe personal injury or substan tial component damage if the warning is ignored N CAUTION Caution is used to indicate the presence of a hazard which can cause minor personal injury or component damage if the warning is ignored NOTE Notes are used to notify the operator of installa tion operation or maintenance information that is important but not hazard related notations could cause damage to the equipment or may result in serious injury or death 2012 SCOTT Safety SCOTT the SCOTT SAFETY Logo Scott Health and Safety LIBERTY Trailer and Smart Fill are registered and or unregistered marks of Scott Technologies Inc or its affiliates 2 Liberty Trailer Operating Instructions GC Liberty Trailer Operating Instructions 2 Introduction Congratulations on purchasing a SCOTT Safety Liberty Trailer mobile breathing air system This manual provides instructions for the safe operation of your equipment The Liberty Trailer mobile breathing air system is in tended for use in charging breathing air cylinders The system is designed to purify air to meet and exceed recognized breathing air standards as specified by the Compressed Gas Association CGA G 7 1 and National Fire Protection Association NFPA 1989 Both an electric motor and a diesel engine are provided to power the compressor Electric power is suitable for indoor use such
41. L when the engine is hot Fuel Fill N CAUTION Use diesel fuel ONLY Gasoline or other liquid fuel in the diesel engine will cause serious damage to engine components and to the fuel system ANDEROL 500 is a registered trademark of ANDEROL Inc East Hanover NJ 2 XL 700 is a registered trademark of Ingersoll Rand Company Montvale NJ Liberty Trailer Operating Instructions 4 Starting and Operating N WARNING Keep diesel fuel away from heat sparks flames or other sources of ignition while filling the tank DO NOT fill the fuel tank while the engine is running or when it is hot DO NOT overfill the tank ALWAYS wipe up any fuel spills Diesel fuel is a flammable liquid Failure to follow this warning can lead to seri ous personal injury and or equipment damage 4 Check the compressor oil level Check the compressor oil level prior to each use Remove the oil fill cap and check the oil level reading on the dipstick Replenish as necessary using only Anderol 500 oil or XL 700 oil available from your local SCOTT Safety distributor USE OF APPROVED COMPRESSOR LUBRI CATING OIL For compressor lubricating oil SCOTT Safety recommends the use of either of the following e ANDEROL 500 e 7002 SHS LBS 0309 G95 1 Compressor Oil Fill dipstick 2 Compressor Oil Drain Cap N CAUTION Do not operate the compressor without lubricant or with inadequate or excessive lubricant Failu
42. Operating To verify that the moisture separators are operating properly press the DRAIN button on the controller This will activate a fifteen 15 second drain cycle to remove condensation from the moisture separators Check the Compressor Stage Gauges to verify that they all drop pressure and recover pressure simultaneously The compressor will automatically activate a fifteen second drain cycle at regular intervals to remove condensation However a manual fifteen second drain cycle can be activated at any time by pressing the DRAIN button on the controller Pressing STOP will activate a cool down cycle and stop the compressor Observe the X4 Controller display for system condition warnings NOTE Continue to monitor the unit during operation noting the Compressor Pressure and Storage Pressure The X4 Controller will shut down the compressor if operational tolerances exceed factory set limits See the System Tolerances and Overrides section of this instruction gauge readings Also monitor the Compressor Stage Gauge Readings as instructed on Page 26 of this instruction When the system pressure reaches approximately 2500 psi adjust the Flow Control to obtain a 50 50 red green reading This provides the correct sample flow rate to the carbon monoxide monitor and dew point monitor SERVICE SHUTDOWN START STOP OVER CALIBRATION FLOW FLOW C PORT ONTROL METER ADJUST ovsar 1 eB 2
43. acard Determine the combined weight of the driver and passengers who will be riding in your vehicle Subtract the combined weight of the driver and passengers from XXX kilograms or XXX pounds The resulting figure equals the available amount of cargo and luggage capacity For example if the XXX amount equals 1400 Ibs and there will be five 150 Ib passengers in your vehicle the amount of available cargo and luggage capacity is 650 Ibs 1400 750 5 x 150 650 Ibs Determine the combined weight of luggage and cargo being loaded on the vehicle That weight may not safely exceed the available cargo and luggage capacity calculated Step 4 If your vehicle will be towing a trailer load from your trailer will be transferred to your vehicle Consult the tow vehicle s manual to determine how this weight transfer reduces the available cargo and luggage capacity of your vehicle Tire Safety Information Continued on following page Liberty Trailer Operating Instructions 67 9 Towing the Liberty Trailer Tire Safety Information Continued 1 3 Glossary Of Tire Terminology Accessory weight The combined weight in excess of those standard items which may be replaced of automatic transmission power steering power brakes power windows power seats radio and heater to the extent that these items are available as factory installed equipment whether installed or not Bead The part of the tire that is made of steel wires
44. adapter N WARNING Always keep the Charge Adapter covered and protected from dirt and damage until ready for use Any contamination on the Charge Adapter could be transferred to the breathing air supply Contamination of the breathing air supply could lead to in serious injury or death SHS LBS 0309 G123 Fill Control Assembly Fill Control Valve Regulated Pressure Gauge Bleed Valve Charge Adapter CGA 702 shown others are available Rewinding the High Pressure Hose 1 Verify that the fill control assembly is completely detached from the receiver or apparatus Y W A RNING 2 Push the red REWIND button on the control panel The hose reel should automatically turn rolling in the extended hose Exercise caution when handling the Fill Control As sembly Do not drop or drag the Fill Control Assembly Keep dirt and moisture away from the outlet and the threads of the charge adapter If the Fill Control As sembly or high pressure hose is damaged DO NOT USE Have the equipment repaired by a SCOTT certified service technician Failure to follow this warning can result in further equipment damage or may cause personal injury or death N WARNING Keep hands and other objects clear from the hose reel during operation Never operate the hose reel with the protective guard removed Moving parts on the reel can crush extremities and cause serious personal injury 3 Attach the receiver to the Charge Adapter on the
45. ailer hitch When facing the control panel on the BACK of the trailer the RIGHT side of the trailer is to the operator s right and the LEFT side to the operator s left 1 Main Control Panel 2 RevolveAir Fill Station 3 Remote Air Intake 4 Purifier Chambers 5 Diesel Fuel Tank 6 20 HP Electric Motor 7 Auxiliary Generator 8 Rotary Disconnect Switch 9 Lifting Eye Tie Down 10 Spare Tire Optional 11 12 13 14 15 16 17 18 19 20 21 22 eT SHS LBS 0308 G18 Surge Brake Actuator Trailer Jack Assembly Parking Brake 12 VDC Battery 44 HP Diesel Engine Condensate Container Compressor Air Inlet Filter Air Compressor Air Storage Isolation Valve Coolant Fill Flood Light Tower Mast ASME Storage Cylinders 2 Liberty Trailer Operating Instructions 3 Features Figure 3 2 Liberty 1 Additional Views IN L v j CHE Dr xs W mimi H T lt O i L e L UNE P 1 4 2 N NEN UNES i NL E o SHS LBS 0309 G128 1 Parking Brake 6 ASME Storage Cylinders 2 2 Trailer Jack Assembly 7 Spare Tire Optional 3 Surge Brake Actuator 8 Main Control Panel 4 Flood Light Tower Optional 9 RevolveAir Fill Station 5 Remote Air Intake Liberty Trai
46. an lead to personal injury or damage to the equipment 6 Loosen the flood light T handle clamp located just below the tower assembly Holding the flood light assembly remove the safety pin Remove the flood light assembly from the unit and stow in the front SHS LBS 0308 G24NC 3 If using diesel power also turn the ignition switch of the unit For more information refer Flood Light OFF Installation and Operation in Chapter 6 4 Ifin use turn the generator toggle switch OFF 7 Atthe fill station install the charge adapter seal caps and hand tighten the bleed valve GENERATOR 1 Charge Adapters SHS LBS 0309 G130NC 2 Bleed Valve 32 Liberty Trailer Operating Instructions 8 Lock the charging chamber door by operating the handle on the right side of the chamber YELLOW lock bars showing Charging Chamber Locked YELLOW bar visible around door N CAUTION Use caution when rotating the turntable Catching fingers hands hair articles of clothing or other objects in the door may result in personal injury or damage to the fill station 9 Close the main control panel door above the fill station 10 Close and secure all the latches on the side access doors and on any optional storage on the LIBERTY Il Some models have a TWO position rubber strap latches USE THE STRAP SECOND POSITION TO SECURE THE DOORS FOR HIGHWAY DRIVING 11 If using external electrical power a Turn OFF the external power
47. at the positive and negative leads are properly connected and that the terminals are free from corrosion SHS LBS 0309 G70 1 Positive Cable 2 Negative Cable Liberty Trailer Operating Instructions 7 Operator Maintenance Checks NOTE The battery is automatically recharged by the sys tem during normal operation However the battery may need recharging if the diesel engine or electri cal power is not used for a long period of time 1 To charge the battery disconnect the battery prior to charging Disconnect the GROUND cable first 2 Disconnect the positive cable 3 Charge the battery using a standard 12 Volt automotive battery charger Follow the instructions provided with the battery charger Contact a SCOTT certified and trained technician for battery service and maintenance Belts Check the tension and condition of all belts including the compressor engine and generator belts Belts should be flexible when applying pressure to the center of the span length to deflect 5 16 to 3 8 inch from normal position Contact a SCOTT certified and trained technician for drive belt service and maintenance SHS LBS 0309 G90 Compressor Drive Belt 53 7 Operator Maintenance Checks Clutch Adjustment Procedure When diesel engine power is used an air actuated clutch provides power to the compressor The air pressure is drawn from the air storage cylinders The clutch circuit is designed to operate at 115 to 120 p
48. ay will read Calibration Complete DONE Close the 20 PPM CO cylinder valve and disconnect the cylinder from the Calibration Port Replace the dust cap on the Calibration Port 60 Select DONE F2 button The X4 Controller will exit the Perform System Service and return the display to the start up screen that says SCOTT Safety 800 247 7257 CONTINUE as when first starting the compressor system If you select NO F3 button to the CO Calibration the X4 Controller will exit the Perform System Service and return the display to the start up screen that says SCOTT Safety 800 247 7257 CONTINUE as when first starting the compressor system Liberty Trailer Operating Instructions GC Liberty Trailer Operating Instructions 9 Towing the Liberty Trailer Figure 9 1 Trailer Hitch and Actuator with Pintle Ring Hitch shown 3 Towing Pre Checks Verify that the Shutdown tasks have been performed according to the OPERATING THE COMPRESSOR section of this instruction Refer to the Tire Safety Information part of this section for additional information about tires and trailer safety Verify your vehicle s GVWR Verify that the towing vehicle is rated equal or greater than the trailer Gross Vehicle Weight Rating GVWR The Liberty single axle trailer is capable of being towed by any vehicle rated for 6 000 Ibs or more The Liberty II tandem axle can be towed by vehicles rated for 8 000 Ibs or more The Liberty T
49. by a SCOTT certified service technician Use of damaged equipment without proper repair and inspection will void the warranty and may result in serious personal injury death or permanent equipment damage Additional Information lf you have any questions or concerns regarding use of this equipment contact your authorized SCOTT distributor or contact SCOTT at 1 800 247 7257 or 704 291 8300 outside the continental United States or visit our web site at www scottsafety com Routine Maintenance The reliable operation of this equipment depends on proper care and routine maintenance The operator must be trained by an authorized SCOTT Safety technician in the proper operation of the mobile breathing air system The operator must read understand and adhere to all safety precautions and pre operation tasks as described in this manual All scheduled maintenance beyond the scope of this manual must be noted by the operator to be performed by a SCOTT trained and certified service technician A Maintenance Record page is provided in this instruction When ordering spare parts note the compressor system serial number This information will avoid delays and the possibility of incorrect parts being provided The breathing air system serial number is stamped on the system identification tag If needed the compressor serial number is stamped on a metal plate attached to the crankcase of the compressor To order replacement compone
50. ce they have some mud and snow capability Speed Rating The speed rating denotes the speed at which a tire is designed to be driven for extended periods of time The ratings range from 99 miles per hour mph to 186 mph These ratings are listed below Note You may not find this information on all tires because it is not required by law Safety First Basic Tire Maintenance Continued on following page 76 Liberty Trailer Operating Instructions 9 Towing the Liberty Trailer Safety First Basic Tire Maintenance Continued Letter Rating Speed Rating Q R S U H VAC W Y For tires with a maximum speed capability over 149 mph tire manufacturers sometimes use the letters ZR For those with a maximum speed capability over 186 mph tire manufacturers always use the letters ZR U S DOT Tire Identification Number This begins with the letters DOT and indicates that the tire meets all federal standards The next two numbers or letters are the plant code where it was manufactured and the last four numbers represent the week and year the tire was built For example the numbers 3197 means the 31st week of 1997 The other numbers are marketing codes used at the manufacturer s discretion This information is used to contact consumers if a tire defect requires a recall Tire Ply Composition and Materials Used The number of plies indicates the number of layers of rubber coated fabric in the tire In general th
51. center Any product returned to SCOTT shall be sent FOB destination to Scott Safety Attn Warranty Claim Department 4320 Goldmine Road Monroe NC 28111 This warranty does not apply to any malfunction of or damage to these products resulting from accident alteration misuse or abuse which includes and is not limited to failure to perform preventative maintenance recommended by SCOTT THIS WARRANTY IS MADE IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE IN ADDITION SCOTT EXPRESSLY DISCLAIMS ANY LIABILITY FOR SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES IN ANY WAY CONNECTED WITH THE SALE OR USE OF SCOTT SAFETY PRODUCTS AND NO OTHER FIRM OR PERSON IS AUTHORIZED TO ASSUME SUCH LIABILITY SCOTT 5 1 Contents IMPORTANT SAFETY INSTRUCTIONS Warranty ete 1 Safety 2 2 ED 3 Safety Labels 1 3 Reporting Safety Defects 4 Additional Information 4 Routine Maintenance 4 3 U u co 5 General 5 System Operation 5 Liberty Trailer Illustrations
52. d OFF at the main terminal the diesel engine is turned OFF the compressor is completely stopped and all residual air pressure has been released from the system Follow the recom mendations of your safety procedures the OSHA 2 Dispose of condensate according to hazardous Lock Out Tag Out procedures waste regulations 3 Replace the container and reconnect the hose connection spout N CAUTION N DANGER Compressor condensate contains lubricating oil Always apply the parking brake and chock the trailer and or substances which must be disposed of in wheels while performing maintenance checks If the accordance with local State and Federal laws and trailer begins to roll unexpectedly severe personal regulations injury death or permanent damage to equipment can result Condensate Container 52 Liberty Trailer Operating Instructions Battery N WARNING Always wear eye protection when working around batteries to prevent the risk of personal injury due to explosion or contact with sulfuric acid N WARNING Batteries may contain explosive gases When servic ing batteries do not smoke or work near sparks or flames to avoid the risk of personal injury N CAUTION ALWAYS disconnect the battery cables as instructed before charging the battery Never boost or charge the battery with the cables connected Failure to follow this instruction may lead to damage to the computerized controller Ensure th
53. dapters on the outside compressor to continue running to refill the storage of the charge chamber Be sure to hand tighten system the bleed valve and to open the breathing air 17 Replace the charge adapter plug cylinder valve s NOTE High pressure charging causes a rise in cylinder temperature As the cylinder cools the pressure gauge will show a decrease in pressure This is normal After cooling cylinders may be placed back in the fill station and topped off to full pressure Bleed Valve 11 When the Breathing Air Cylinder pressure gauge reaches the pre set charge pressure open the chamber lock with the operating handle This will automatically stop the cylinder charging process Liberty Trailer Operating Instructions 41 5 Charging Breathing Cylinders Alternate Charging Procedure Charging Breathing Air Cylinders directly from the compressor If the storage tanks are not adequately charged to fill breathing air cylinders the breathing air cylinders will be charged directly from the compressor 1 Begin the cylinder charging process in this chapter beginning with Cylinder Inspection 2 When the breathing air cylinders are fully charged allow the system to replenish the storage tanks 42 Liberty Trailer Operating Instructions GC Liberty Trailer Operating Instructions 6 Operation of Liberty System Additional Features Low Pressure Air Supply Operation The auxiliary low p
54. e and or serious personal injury N WARNING Consult the manufacturer s material safety data sheets MSDS for any chemicals or fluids used in the operation of this equipment Failure to do so may result in exposure to toxic chemicals leading to serious personal injury 18 1 Check the engine oil level Check engine oil level prior to each use Remove the dipstick and check the oil level as indicated Replenish as necessary The grade of oil depends on atmospheric conditions e SAE 40 above 68 F 20 C e SAE 20 from 32 F 0 C to 68 F 20 C e SAE 10 from 4 F 20 C to 32 F 0 C e SAE 5 below 4 F 20 C SHS LBS 0309 G89 1 Engine oil fill 2 Engine oil dipstick 2 Check the engine coolant level Ensure that the coolant covers the core tubes Replenish with 50 50 ethylene glycol and water mixture Periodically check the engine radiator for dust buildup insects or other debris Use a brush or low pressure air under 30 psi to dislodge SHS LBS 0309 G127 1 Engine Coolant Fill 2 Radiator Fins Liberty Trailer Operating Instructions 3 Check the Diesel Engine fuel level The fuel gauge is located on the left side of the unit when facing the main control panel SHS LBS 0309 G66 Fuel Gauge The fuel tank fill cap is located on the right side of the unit To replenish fuel remove the fuel filler cap and fill the fuel tank with standard diesel motor fuel DO NOT FIL
55. e of this equipment Use of the Purge When the CO or dew point readings approach or reach a shutdown the Purge function can be used to expel suspect air after the air purifiers before it goes into the storage cylinders To activate the Purge cycle press the PURGE button on the X4 Controller keypad and follow the instructions on the display The Purge light on the panel will go on and the air in the purifiers will be vented to the atmosphere SERVICE SHUTDOWN OVER MUTE RIDE The display will continue to show CO and dew point levels and will let you know when they are back in an accept able range The Purge cycle will NOT end automatically unless the CO AND the dew point levels are below the alarm levels You must press the STOP button and follow the instructions on the display to end the Purge cycle and return to normal operation The operator must continue to watch the CO dew point and temperature readings for indications that conditions may again approach or reach out of tolerance levels NOTE DO NOT use the Purge Cycle to attempt to dry out the air when the dew point readings are already out of tolerance Liberty Trailer Operating Instructions Overrides The X4 Controller also includes limited shutdown override capability for high dew point high air temperature high carbon monoxide levels and low oil level or pressure Override allows the system to continue running out of tolerance up to a maximum pr
56. e Weight Rating The maximum weight that any axle can support as published on the Certification VIN label on the front left side of the trailer Actual weight determined by weighing each axle on a public scale with the trailer attached to the towing vehicle Gross Vehicle Weight Rating The maximum weight of the fully loaded trailer as published on the Certification VIN label Actual weight determined by weighing trailer on a public scale without being attached to the towing vehicle Glossary Of Tire Terminology Continued on following page 68 Liberty Trailer Operating Instructions 9 Towing the Liberty Trailer Glossary Of Tire Terminology Continued Hitch Weight The downward force exerted on the hitch ball by the trailer coupler Innerliner The layer s forming the inside surface of a tubeless tire that contains the inflating medium within the tire Innerliner separation The parting of the innerliner from cord material in the carcass Intended outboard sidewall The sidewall that contains a white wall bears white lettering or bears manufacturer brand and or model name molding that is higher or deeper than the same molding on the other sidewall of the tire or the outward facing sidewall of an asymmetrical tire that has a particular side that must always face outward when mounted on a vehicle Light truck LT tire Atire designated by its manufacturer as primarily intended for use on lightweight trucks or multipurp
57. e fill station finger tight one bleed valve on each side of the fragmentation chamber door DO NOT use tools to tighten 1 Charge Adapters 2 Bleed Valve 8 Make sure all four of the cylinder charge adapters are closed and secure two on each side of the chamber door Hand tighten turning counterclockwise DO NOT use tools 9 Close the charging chamber and lock with the operating handle YELLOW locking bars appearing around the turntable 10 Open the Fill Control valve 1 8 to 1 2 turn counterclockwise 38 BREATHING AIR CYLINDER PRESSURE SHS LBS 0308 G26NC 1 Fill Control Valve 2 Fill Pressure Regulator Charging Chamber Locked YELLOW bar visible around door Liberty Trailer Operating Instructions 11 Slowly turn the Fill Pressure Regulator knob clockwise until the Breathing Air Cylinder Gauge shows the target maximum fill pressure for the selected breathing air cylinder s Make sure that the pressure used to charge the cylinder is not higher than the pressure rating on the cylinder NOTE Always adjust the Fill Pressure Regulator on the oressure rise If the fill pressure is accidentally set too high and must be reduced first turn the knob counterclockwise to at least 500 psi below the desired setting Turn the knob again clockwise to ensure an accurate fill pressure setting N DANGER Never set the fill pressure higher than the maximum pressure rating for the b
58. e greater the number of plies the more weight a tire can support Tire manufacturers also must indicate the materials in the tire which include steel nylon polyester and others Maximum Load Rating This number indicates the maximum load in kilograms and pounds that can be carried by the tire Maximum Permissible Inflation Pressure This number is the greatest amount of air pressure that should ever be put in the tire under normal driving conditions 1 5 9 2 UTQGS Information Treadwear Number This number indicates the tire s wear rate The higher the treadwear number is the longer it should take for the tread to wear down For example a tire graded 400 should last twice as long as a tire graded 200 Traction Letter This letter indicates a tire s ability to stop on wet pavement A higher graded tire should allow you to stop your car on wet roads in a shorter distance than a tire with a lower grade Traction is graded from highest to lowest as AA A and Temperature Letter This letter indicates a tire s resistance to heat The temperature grade is for a tire that is inflated properly and not overloaded Excessive speed under inflation or excessive loading either separately or in combination can cause heat build up and possible tire failure From highest to lowest a tire s resistance to heat is graded as or C Safety First Basic Tire Maintenance Continued on following page
59. e rating Failure to follow this instruction can result in cylinder failure and lead to equipment dam age serious personal injury or death N DANGER In certain circumstances the Department of Trans portation DOT or Transport Canada TC may establish a maximum fill rate for particular cylinders NEVER fill cylinders at a rate higher than the DOT or TC restrictions for the cylinders being filled Filling at a rate higher than established restrictions may result in catastrophic failure of the cylinder leading to serious personal injury or death N DANGER When charging 75 minute 5500 PSI cylinders there must be NO cylinders mounted on the outside of the RevolveAir door When charging any other size cylinder there must be NO 75 minute 5500 PSI cylinders mounted on the outside of the RevolveAir door Failure to obey these warnings may result in serious injury or death N DANGER Air pressure increases as temperature increases When charging cylinders in temperatures below freezing 32 F 0 C frequently check air pressure and release excess pressure as the cylinder warms to normal room temperature Failure to do so will cause cylinders to be in an overcharge condition increasing the risk of cylinder failure and leading to personal injury or death 5 Charging Breathing Cylinders Cylinder Inspection Refer to the guidelines listed in Working with Compressed Air at the beginning of Chapter 4 Refe
60. ehicle The safety chains must not drag on the ground but should be long enough to allow for tight turns Continued on the next page 63 Liberty Trailer Operating Instructions 9 Towing the Liberty Trailer General Towing Guidelines Maintain safe towing speed Always drive at a safe speed relative to conditions and ensure your speed is slow enough to allow for emergency braking Recommended maximum safe speed for towing is 55 mph Avoid loose gravel rocks and holes when towing They can be dangerous for equipment operation or movement Do not use the trailer to transport anything except as designed Use the optional SCBA storage rack on the LIBERTY II only for that purpose N DANGER DO NOT use the trailer to transport anything except as designed Optional SCBA storage is to be used only for that purpose Overloading the trailer with other equipment or material may result in brake or tire failure which can result in serious injury or death Unhitching the Trailer 1 Apply the trailer parking brake and chock the wheels 2 Lower the trailer jack assembly Replace the wheel and secure with the retaining pin 3 Disconnect the power cable from the vehicle s towing device Secure the power cable to the trailer frame 4 Remove the tow hitch from the trailer hook 5 Remove the chains and break away cable from the towing vehicle and secure them to the trailer frame 64 Trailer Lifting Eyes Tie Downs T
61. ehicle or hitch with an inadequate rating increases the risk of hitch failure leading to potential equipment damage severe personal injury or death Standard features with either hitch include safety chains with hooks DOT lighting and connector reflectors electric brakes break away switch mechanical parking brake fenders rear bumper and front lift jack Liberty Trailer Operating Instructions 9 Towing the Liberty Trailer Hitching the Trailer 7 Attach the actuator s break away cable securely to 1 While preparing the unit for towing set the trailer the tow vehicle at one of the safety chain connection parking brake and chock the wheels to keep the points NOT TO THE SAFETY CHAIN trailer from rolling 8 Check that the break away switch and cable are 2 Rollup the insulating drape blanket Stow the flood positioned properly If the switch is not set properly light assembly and external power cord due to the cable being pulled during use it MUST 3 Close all access panels including the control panel be reset before towing The break away system door The side access panels use rubber strap should only be engaged if both the tow hitch and latches with two settings Use the tighter setting for safety chains have failed highway driving 9 Connect the power cable to the tow vehicle power 4 Confirm that the towing vehicle and towing hitch are source Check the operation of all tail lights on the correctly rated to tow the t
62. ely Do not use this equipment when fatigue prevents safe operation Stay alert when operating this equipment Inattention or carelessness while operating this equipment may result in serious injury or death Training is required before use of this equipment Improper use may result in serious injury or death Improper use includes but is not limited to use without adequate training disregard of the warnings and instructions contained herein use of the equipment for purposes not included in these instructions and failure to inspect and maintain the equipment All electrical connections shall be installed by a qualified electrician in accordance with applicable electrical codes and shall include proper grounding of the equipment 10 11 12 13 14 15 16 17 IMPORTANT SAFETY INSTRUCTIONS All service must be performed by qualified trained technicians When servicing disconnect power from the equipment and follow all necessary Lock Out Tag Out procedures and safety procedures Hot surfaces can cause serious injury Allow the equipment to cool before servicing Establish a schedule for performing routine maintenance as outlined in these instructions Refer to the Material Safety Data Sheet MSDS for instructions on the safe handling of any chemicals used in the maintenance or servicing of this equipment Before towing the trailer be sure all accessory equipment is properly stowed and all covers and doors a
63. erate the Diesel Engine indoors in partly 2 Access Doors Closed and Secured enclosed areas like open garages or near open win dows doors or vents The Diesel Engine produces Carbon Monoxide a poisonous gas you cannot see or smell which can reach hazardous levels very quickly Always operate the Diesel Engine outside with the exhaust directed away from places where there are people Failure to do so can result in seri Ous injury or death N WARNING Before raising the remote air inlet flood light tower ALWAYS check for any overhead obstructions power lines tree limbs etc Failure to do so may result in damage to the unit and or personal injury Relocate the trailer if necessary A tower cover bag with retainer strap is provided to protect the air inlet flood light tower from dirt and moisture when not in use This cover must be removed before operating the compressor system to permit air to flow into the air intake When operating indoors with the electric power it is not necessary to extend the remote air intake but it N CAUTION is still necessary to remove the tower cover Never allow the compressor to operate at a tilt level 2 Position the unit on level ground with a higher than 15 from any direction At levels outside maximum 15 tilt level from any direction Use this range compressor oil will not distribute properly the crank on the trailer jack assembly to adjust the resulting in serious damage to the comp
64. erride capability Operating the Compressor continued on the next page 31 4 Starting and Operating Operating the Compressor Continued System Shutdown 4 Lower the remote air inlet tower by turning the Tower Control knob counterclockwise N CAUTION N DANGER Always allow the compressor to fully charge the DO NOT move the unit with the remote air inlet flood light tower extended The extended tower may be damaged leading to potential equipment failure or serious personal injury storage system unload and cool down before final shutdown Failure to do so can lead to premature wear and or damage to the compressor and its components If the flood light tower is in use be sure to turn off the flood light toggle switch Step on the unit rear 1 Allow the compressor to fully charge the storage bumper to reach above the control panel and unplug system go through its cool down cycle and stop the power cord 2 Turn the selector switch OFF Depending on which mode of operation you were using this will a Cutoff power to the electric motor b Shut down the diesel engine N WARNING Exercise caution when stepping on the rear bumper to access the flood light tower To avoid the risk of falling make sure the trailer park brake is ON and the wheels are chocked DO NOT step on fenders or climb onto the trailer higher than the bumper Use extra caution during icy or wet conditions Failure to follow this warning c
65. es air storage isolation valve 6 charge adapter bleed valve 31 38 39 fill control valve 23 remote air intake valve 55 storage refill manual control valve 42 X X4 Controller location 23 maintenance interval checking 29 INFO button 29 operation 26 system run time checking 29 Liberty Trailer Operating Instructions 10 Index 81 Maintenance Record im T8 i i k T a T n 11 T T T T IN T IT LE n IT i H H H E n H a Liberty Trailer Operating Instructions SCOTT SAFETY Monroe Corporate Center 5 PO Box 569 S AF Monroe NC 28111 1 800 247 7257 A Tyco International Company Fax 704 291 8330 www scottsafety com Scott Safety ISO 9001 REGISTERED P N 595132 01 REVF 03 14 Printed in USA 2012 SCOTT Safety SCOTT the SCOTT SAFETY Logo Scott Health and Safety LIBERTY Trailer and Smart Fill are registered and or unregistered marks of Scott Technologies Inc or its affiliates
66. eset tolerance or for one hour whichever occurs first The OVERRIDE capability is password protected and may be ENABLED or DIS ABLED as determined by the System Administrator who has the responsibility for maintenance of this equipment SERVICE SHUTDOWN SERVICE The operator must be trained as to whether the override capability is ENABLED and how to use it N WARNING ONLY use the system override capability in the event of an extreme emergency or to save a life During an override condition the operator must monitor the system at all times Operating the system beyond factory set parameters may lead to irreparable com ponent damage and or personal injury in the case of system failure Liberty Trailer Operating Instructions 4 Starting and Operating If the Override capability is ENABLED press the OVER RIDE key on the X4 Controller to engage the override during a shutdown condition As long as the maximum preset tolerance is not reached the override will stay in effect for one 1 hour After the one hour the system will again go into a shutdown condition NOTE Once the OVERRIDE key is pressed the Override will stay in effect for the full hour even if the com pressor is restarted The operator may again press the OVERRIDE key for an additional one hour of operation After three 3 hours in the override condition the override capability will be DISABLED and the password is required to re enable the ov
67. facturer s information including Recommended tire size Recommended tire inflation pressure Vehicle capacity weight VCW the maximum occupant and cargo weight a vehicle is designed to carry A Front and rear gross axle weight ratings GAWR the maximum weight the axle systems are designed to carry Both placards and certification labels are permanently attached to the trailer near the left front 1 5 2 Understanding Tire Pressure and Load Limits Tire inflation pressure is the level of air in the tire that provides it with load carrying capacity and affects the overall performance of the vehicle The tire inflation pressure is a number that indicates the amount of air pressure measured in pounds per square inch psi a tire requires to be properly inflated You will also find this number on the vehicle information placard expressed in kilopascals kpa which is the metric measure used internationally Manufacturers of passenger vehicles and light trucks determine this number based on the vehicle s design load limit that is the greatest amount of weight a vehicle can safely carry and the vehicle s tire size The proper tire pressure for your vehicle is referred to as the recommended cold inflation pressure As you will read below it is difficult to obtain the recommended tire pressure if your tires are not cold Because tires are designed to be used on more than one type of vehicle tire manufacturers list
68. he 3 phase heater receptacle located on the front sub panel above the trailer tongue For best results allow the heater to operate overnight before starting the engine or compressor The drape may be used for additional insulation while the engine and compressor are running or while transporting the trailer However only extend or adjust the drape while the compressor or engine are NOT in operation Unroll the drape and use the locking tabs to position the drape against the enclosure grating N DANGER Do not extend or adjust the drape while the com pressor engine or motor are in operation ALWAYS keep the unit screen in place and the access doors closed during compressor operation The compres sor and engine contain fast moving parts that can Cause serious personal injury if they disengage or are obstructed N DANGER Air pressure increases as temperature increases When charging cylinders in temperatures below freezing 32 F 0 C frequently check air pressure and release excess pressure as the cylinder warms to normal room temperature Failure to do so will cause cylinders to be in an overcharge condition increasing the risk of cylinder failure and leading to personal injury or death Liberty Trailer Operating Instructions 6 Additional Features SHS LBS 0309 G120 120 VAC Heater Receptacle Actual Location May Vary M SHS LBS 0309 G121 Heater Drape Extended SHS LBS 0309 G1
69. he flood lights are not in use and the diesel engine is OFF be sure to lower the flood light tower before moving the trailer To lower turn the control knob FULLY counterclockwise N DANGER DO NOT raise the flood light assembly unless the parking brake is ON handle down trailer wheels are chocked the diesel engine is turned OFF and the compressor is completely stopped The com pressor and engine contain moving parts that can cause serious personal injury death or permanent equipment damage if they accidentally engage or are obstructed N DANGER Before raising the remote air inlet flood light tower ALWAYS check for any overhead obstructions power lines tree limbs etc Failure to do so may result in damage to the unit and or serious injury or death Relocate the trailer if necessary N CAUTION DO NOT move the unit with the remote air inlet flood light tower extended The extended tower may be damaged during transport leading to potential equipment failure DOWN UP TOWER CONTROL SHS LBS 0308 G28NC Tower Control Knob Liberty Trailer Operating Instructions Cold Weather Package The Liberty Trailer mobile breathing air system may be equipped with an optional cold weather package for operating in temperatures below 40 F 4 The heater element should be activated prior to starting the engine or the compressor To activate the heater connect a 120 VAC power source to t
70. he same size and load rating as the original equipment The rims must be the original alloy rims supplied with the trailer or SCOTT approved replacements Do not substitute rims or tires for the original equipment Periodically check the torque of the wheel lug nuts The torque should be set to 85 foot pounds Use the lug nut tightening pattern below when checking the torque and when replacing a wheel after tire repair Wheel Lug Nut Tightening Pattern Liberty Trailer Operating Instructions 4 Starting and Operating NOTES Liberty Trailer Operating Instructions 21 4 Starting and Operating Operation of the Compressor System A 4 cylinder diesel engine serves as the primary source of power for the compressor system The system also includes an electric induction motor that can operate the compressor without the diesel engine The next sections discuss preparation for use with diesel or electric Opera tion of the compressor system is much the same for both regardless of the power source The operator must never leave the LIBERTY Mobile Breathing Air System unattended while the compressor system is operating or in use Hearing protection may be required when using the LIBERTY Trailer compressor system for extended pe riods of time Refer to the personal safety guidelines or requirements of your organization N DANGER NEVER leave the mobile breathing air system un attended while the compressor is in use
71. he trailer assembly is fitted with lifting eyes tie downs on each corner The eyelets are suitable for use as tie downs during shipping in a container or via tractor trailer N WARNING NEVER use the lifting eyes tie downs to tow the Liberty Trailer assembly Use these fittings only to lift the unit with a crane or to tie down the unit during transport Using these fittings for any other purpose can cause serious personal injury or permanent equipment damage Lifting the trailer with the four eyelets may only be done in a vertical direction with the use of spreader bars to maintain a vertical pull on the eyelets It is not acceptable to lift the unit without spreader bars The eyelets are not suitable for lifting from a single apex Attach a properly rated hook or clevis to each eyelet SHS LBS 0308 G42 Trailer Lifting Eye Tie Down Liberty Trailer Operating Instructions 9 Towing the Liberty Trailer Tire Safety Information This portion of the User s Manual contains tire safety information as required by 49 CFR 575 6 Section 1 1 contains Steps for Determining Correct Load Limit Trailer Section 1 2 contains Steps for Determining Correct Load Limit Tow Vehicle Section 1 3 contains a Glossary of Tire Terminology including cold inflation pressure maximum inflation pressure recommended inflation pressure and other non technical terms Section 1 4 contains information from the NHTSA broch
72. hing air requirements for your respiratory protection program This will automatically set the current date as the air sample service date If you select NO F3 button you will proceed to the CO Calibration procedure below N WARNING 8 System Administrator Responsibilities N CAUTION THREAD THE HOSE CONNECTION CAREFULLY ONTO THE CALIBRATION PORT DO NOT CROSS THREAD OR FORCE WHICH MAY CAUSE DAM AGE TO THE CONNECTOR AND RESULT IN INAC CU RATE CALIBRATION SERVICE SHUTDOWN Follow the CARBON MONOXIDE Calibration proce dure carefully Improper calibration of the CARBON MONOXIDE MONITOR could result in operating the CALIBRATION PORT 1 system outside the applicable standards or codes which may lead to serious injury or death 1 Calibration Port To Calibrate the Carbon Monoxide CO Monitor 2 Flow Control Dial 1 After the Air Sample section the display will ask you 3 Air Flow Adjustment Eye if a CO Calibration is to be performed at this time For this you must have the SCOTT CO Calibration b Adjust the Flow Meter to 50 50 with the Flow Kit P N AB16 0533 Control knob and select NEXT F2 button 2 Ifyou select YES F1 button you will be prompted c The display will ask If Flow Indicator is at 50 50 to perform the steps of the CO Calibration using the Level Press CAL Button Select CAL F2 button 0 PPM CO Zero Gas and 20 PPM CO calibration d Display will read
73. his equipment Safety Labels Note the safety labels that are affixed to certain components of the unit as a reminder of important safety precautions Always read and understand all safety labels prior to operating the unit Safety labels should never be removed defaced or covered Read and follow all safety labels on the unit SHS LBS 0308 G47 3 2 Introduction Reporting Safety Defects If you believe that your vehicle has a defect which could cause a crash or could cause injury or death you should immediately inform the National Highway Traffic Safety Administration NHTSA in addition to notifying SCOTT Safety If NHTSA receives similar complaints it may open an investigation and if it finds that a safety defect exists in a group of vehicles it may order a recall and remedy campaign However NHTSA cannot become involved in individual problems between you your dealer or SCOTT Technologies To contact NHTSA you may either call the Vehicle Safety Hotline toll free at 1 888 327 4236 TTY 1 800 424 9153 go to http www safercar gov or write to Administrator NHTSA US Department of Transportation 1200 New Jersey Avenue SE Washington DC 20590 You can also obtain other information about motor vehicle safety from http www safercar gov N DANGER DO NOT operate this unit if it has been involved in an accident unless the compressor system and the entire trailer has been thoroughly inspected
74. hutdown button clockwise to verify that it is released popped out 5 the ignition key to the pre start position Wait for the glow plug light to go out 6 Turn the ignition key to START 7 Ifthe engine does not start initially turn the key back to the OFF position repeat steps 5 and 6 8 Release the ignition key switch when the engine starts 9 Letthe engine idle for 2 or 3 minutes before operating the compressor The X4 Controller will go through its System Boot for 15 seconds 10 Before starting the compressor with the diesel engine ALWAYS REMOVE THE AIR INLET COVER BAG AND FULLY EXTEND THE REMOTE AIR INLET ABOVE THE DIESEL ENGINE FUMES Failure to do so will contaminate compressor air and deteriorate the purification system Refer to the following section 24 N WARNING Before starting the compressor with the diesel en gine ALWAYS remove the air inlet cover bag and fully extend the remote air inlet above the diesel engine fumes Failure to do so will contaminate com pressor air and deteriorate the purification system Raising the Remote Air Inlet Flood Light Tower 1 Before raising the tower look for any overhead obstructions power lines tree limbs etc Relocate the trailer if necessary DANGER Before raising the remote air inlet flood light tower ALWAYS check for any overhead obstructions power lines tree limbs etc Failure to do so may result in damage to the unit and or serio
75. iar with starting and operating the Breathing Air Compressor system according to the Operator s Instructions provided with the system These tasks can only be accessed when the compressor system is powered up but the compressor itself is not running Follow the prompts on the display screen for each operation Remember you can press BACK at any time to return to the previous display Modify System Settings USER PASSWORD and OVERRIDE Feature To Change the USER PASSWORD 1 the LIBERTY Trailer using either the Diesel Power or Electric Power according to the STARTING AND OPERATING section of this instruction 2 After the X4 Controller completes the system boot the display will say Press F2 Button Below to Begin Press the F2 key directly below the X4 Controller digital display 3 display will show the current Service Due dates and say Push Operate Info or Service Press SERVICE on the keypad Remember you can press BACK at any time to return to the previous display 4 Select Modify System Settings F1 Liberty Trailer Operating Instructions 5 You will be asked to enter the USER PASSWORD The display will show a 1 above F1 a 2 above F2 and a 3 above SERVICE SHUTDOWN STOP The factory installed password is 111111 To enter this press the F1 button six times If you enter the wrong password the display will say Invalid Password Wait for
76. iber overwrap must be tested in accordance with the DOT or TC exemption status up to the maximum life of fiber overwrapped cylinders which at the time of the publication of this instruction is 15 years from the date of manufacture 36 The date of manufacture marked on the cylinder is also the date of the first hydrostatic test See the example cylinder stamp in the illustration below 10 1 2 3 SHS HAC 0311 G163 Cylinder Date of Manufacture 1 Month 2 Manufacturer or Tester stamp 3 Year It is the responsibility of your organized respiratory protection program to arrange for visual inspection and hydrostatic testing of cylinders by a licensed retester Visually inspect cylinder and valve assembly for physical damage such as dents or gouges in metal or in composite wrapping Cylinders which show physical damage or exposure to high heat or flame such as paint turned brown or black decals charred or missing pressure gauge lens melted or elastomeric bumper distorted and cylinders which show evidence of exposure to chemicals such as discoloration cracks in the cylinder or the composite wrapping peeling of the outer layers of the composite wrapping and or bulging of the cylinder wall shall be removed from service and emptied of compressed air Always check the pressure rating of the selected breathing air cylinder s to be filled The rated pressure usually follows the DOT or TC material identification a
77. ice See the chapter Optional Features for more information on operating the Cold Weather Package High Pressure Hose Reel Low Pressure Hose Reel The high pressure hose reel and the low pressure hose reel are only available on the Liberty models See the chapter Additional Features for more information on operating the optional hose reel Smart Fill Auto Cascade Filling System The SCOTT Smart Fill auto cascade cylinder filling system is available as an option ONLY on the LIBERTY mobile breathing air system With a SCOTT Smart Fill Auto Cascade system pressure sensing valves automatically select the air supply from each of the storage cylinders The system opens and closes the storage cylinders to efficiently use all the available air to fill the SCBA air cylinders The operation of the SCOTT Smart Fill Auto Cascade system does not require additional tasks or adjustments by the operator If the operator chooses to turn OFF the compressor after filling the storage and then fill the SCBA cylinders the SCOTT Smart Fill Auto Cascade system will provide the maximum number of fills before turning the compressor back ON Liberty Trailer Operating Instructions RevolveAir Fill Station The RevolveAir Fill Station consists of a total containment chamber a turntable with four charging adapters a flow control valve throttle an interlock safety valve and two bleed valves The charging chamber is designed to protect
78. indicates the tire is for passenger vehicles Next number This three digit number gives the width in millimeters of the tire from sidewall edge to sidewall edge In general the larger Radial Rim diameter code Ratio of height to width aspect ratio Nominal width of tire in millimeters Load index amp speed symbol U S DOT tire identification number car tire Severe snow conditions the number the wider the tire Next number This two digit number known as the aspect ratio gives the tire s ratio of height to width Numbers of 70 or lower indicate a short sidewall for improved steering response and better Max overall handling on dry pavement nflation R The stands for radial Radial ply construction of tires has been the industry standard for the past 20 years and temperature grades Next number This two digit number is the wheel or rim diameter in inches If you change your wheel size you will have to purchase new tires to match the new wheel diameter Next number This two or three digit number is the tire s load index It is a measurement of how much weight each tire can support You may find this information in your owner s manual If not contact a local tire dealer Note You may not find this information on all tires because it is not required by law M S The M S or M S indicates that the tire has some mud and snow capability Most radial tires have these markings hen
79. k when filled would weigh about 800 pounds If more cargo is being transported water can be off loaded to keep the total amount of cargo added to the vehicle within the limits of the GVWR so as not to overload the vehicle Understanding this flexibility will allow you the owner to make choices that fit your travel needs When loading your cargo be sure it is distributed evenly to prevent overloading front to back and side to side Heavy items should be placed low and as close to the axle positions as reasonable Too many items on one side may overload a tire The best way to know the actual weight of the vehicle is to weigh it at a public scale Talk to your dealer to discuss the weighing methods needed to capture the various weights related to the trailer This would include the weight empty or unloaded weights per axle wheel hitch or king pin and total weight Excessive loads and or under inflation cause tire overloading and as a result abnormal tire flexing occurs This situation can generate an excessive amount of heat within the tire Excessive heat may lead to tire failure It is the air pressure that enables a tire to support the load so proper inflation is critical The proper air pressure may be found on the certification VIN label and or on the Tire Placard This value should never exceed the maximum cold inflation pressure stamped on the tire Steps for Determining Correct Load Limit Trailer Continued on following page
80. ler Operating Instructions A i L Yl i 22214 it SASS x L SA rF amp e a AT hemes gt Oe uu uo et omues 2 b one SHS LBS 0308 G9 3 Features Figure 3 3 Liberty Tandem Axle Top View In this manual the FRONT ofthe trailer is the trailer hitch The Liberty II trailer is 76 inches wide and 90 inches high If equipped with the pintle ring hitch the trailer length When facing the control panel on the BACK of the trailer the RIGHT side of the trailer is to the operator s right and the LEFT side to the operator s left equals 192 inches The trailer with the 2 5 16 ball coupler hitch as shown is 194 inches long LA gt SS gt PER L A 24 ASAN Mum mS mmy 4 2 L2I 2 2 mmmmmmmmm 12 Surge Brake Actuator Main Control Panel 1 2 13 Trailer Jack Assembly 14 Parking Brake RevolveAir Fill Station Remote Air Intake 3 15 12 VDC Battery Purifier Chambers 4 16 44 HP Diesel Engine Diesel Fuel Tank 5 17 Condensate Container 20 HP Electric Motor Auxiliary Generator
81. maintenance interval checking 29 INFO button 29 operation 26 system run time checking 29 Coolant checking 18 Customer Service contact information 4 Diesel engine description 11 operation 24 Electric motor description 11 operation 25 Emergency shutdown reset button location 23 operation 24 33 Engine Control Panel 23 glow plug 23 indicator lights 23 Engine diesel coolant 18 description 11 fuel level 18 hour meter 23 oil level 17 operation 24 Engine key location 23 Engine start control panel location 23 79 10 Index Features 5 43 Fill control valve location 23 Fill pressure regulator location 23 Flood light assembly description 12 installation 45 operation 45 storage 45 Flood light switch location 23 Flood light tower control location 23 Fuel level 18 G Gauges breathing air cylinder pressure 23 compressor pressure 23 compressor stage gauges 28 fuel level 18 storage cylinder pressure gauge 23 37 Generator operation 44 Generator switch location 23 Generator voltmeter location 23 Glow plug location 23 GVWR 61 High pressure hose reel description 12 operation 48 High temperature shut down light location 23 L Liberty features 5 illustration top view 6 illustrations additional views 7 Liberty II illustration top view 8 10 illustrations additional views 9 80 L Low oil pressure shut down light 23 warning light 23 Low pressure air supply operation 43
82. mbly is used to support the trailer only during operation and must be raised and the wheel removed for towing refer to the instructions provided in this chapter 61 9 Towing the Liberty Trailer Brake Actuator Systems NOTE Brake actuator models may be mechanically or battery powered depending upon selected options Before operating the brake actuator review care fully the brake actuator operation manual provided with your unit SHS LBS 0309 G106 Mechanical Brake Actuator 1 Mechanical Brake Actuator 2 Break Away Switch 3 Break Away Cable 4 Brake Fluid Reservoir SHS LBS 0309 G105 Battery Powered Brake Actuator 1 Brake Actuator 6 Bleeder Dust Cap Output Port Battery Connection 2 Actuator Battery 7 3 Break Away Cable 8 4 Break Away Switch 5 Brake Fluid Fill 62 N DANGER power wash the actuator unit Internal rosion may result and cause brake failure which can result in Severe personal injury or death Care should be taken to protect the unit from direct spray when washing the trailer Hitching the Trailer to a Tow Vehicle The Liberty Trailers are available with either a 2 5 16 inch ball coupler or 3 inch pintle ring hitch In either case the towing vehicle the towing vehicle must have at least a Class IV hitch N WARNING NEVER use a vehicle with insufficient towing ca pacity or a hitch that does not meet at least Class IV requirements Using a v
83. n only receive breathing air through the CGA fitting will not work for this procedure Before performing this procedure ensure that the breathing air cylinder to be used has been inspected according to the Cylinder Inspection procedure Chapter 5 1 At the fill station remove one of the adapter caps and attach a charged cylinder to the charge adapter Hand tighten the connector turning counterclockwise DO NOT use tools 2 Verify that the cap is secure on the unused adapter 3 Hand tighten the bleed valve and open the breathing air cylinder valve located on the top of the mounted cylinder 4 Open the charging chamber door by operating the handle on the right side of the chamber Rotate the turntable 180 until it clicks into position N CAUTION Practice caution when rotating the turntable Catch ing fingers hands hair articles of clothing or other objects in the door may result in personal injury or damage to the fill station 5 Close and lock the chamber door The door is locked when the YELLOW bar is visible above the door frame Liberty Trailer Operating Instructions 11 12 13 Open the Fill Control valve on the control panel BREATHING AIR CYLINDER PRESSURE SHS LBS 0308 G26NC 1 Fill Control Valve 2 Fill Pressure Regulator If air is heard escaping from the Fill Pressure Regulator turn the knob clockwise until the leaking stops When the low
84. nd adjust the tire s pressure when you can obtain a cold reading Safety First Basic Tire Maintenance Continued on following page 74 Liberty Trailer Operating Instructions 9 Towing the Liberty Trailer Safety First Basic Tire Maintenance Continued 1 5 5 Tire Size To maintain tire safety purchase new tires that are the same size as the vehicle s original tires or another size recommended by the manufacturer Look at the tire information placard the owner s manual or the sidewall of the tire you are replacing to find this information If you have any doubt about the correct size to choose consult with the tire dealer 1 5 6 Tire Tread The tire tread provides the gripping action and traction that prevent your vehicle from slipping or sliding especially when the road is wet or icy In general tires are not safe and should be replaced when the tread is worn down to 1 16 of an inch Tires have built in treadwear indicators that let you know when it is time to replace your tires These indicators are raised sections spaced intermittently in the bottom of the tread grooves When they appear even with the outside of the tread it is time to replace your tires Another method for checking tread depth is to place a penny in the tread with Lincoln s head upside down and facing you If you can see the top of Lincoln s head you are ready for new tires 1 5 7 Tire Balance and Wheel Alignment To avoid vibration or shaking of
85. nts call 1 800 247 7257 or contact an authorized SCOTT Safety distributor SHS LBS 0309 G49 Compressor System Serial Number Liberty Trailer Operating Instructions GC Liberty Trailer Operating Instructions 3 Features General The Liberty mobile breathing air system is a self contained trailer mounted breathing air system The Liberty Trailer models have similar features with respect to equipment operation controls and overall assembly All are equipped with a diesel engine and an electric motor to power a four stage reciprocating air compressor The compressor is designed for continuous operation and is available with maximum system pressure of 6000 psi The trailer is available with a single axle Liberty 1 or double axle Liberty The Liberty II includes two additional ASME storage cylinders and an optional overhead compartment to hold breathing air cylinders The standard Liberty Trailer trailer is equipped with hydraulic surge brakes Additional options include electric brakes a high pressure hose reel a flood light assembly and a Cold Weather Package for operation in cold temperatures as well as other special purpose features Air Compressor Stages 4 Operating pressure 6000 psi Rotation Counterclockwise Oil capacity 5 0 quarts Required oil Anderol 500 or Ing Rand XL 700 Diesel Engine Cylinders 4
86. ny gauge does not reach its pressure reading notify your SCOTT authorized service technician During a fifteen second drain cycle or a two 2 minute cool down cycle the five gauges should all drop pressure simultaneously If one gauge does not drop along with the others notify your SCOTT authorized service technician After a fifteen second drain cycle or an automatic restart all five gauges should return to their stage pressures together Liberty Trailer Operating Instructions Information Button After initial system boot the operator may press the INFO button on the X4 Controller to access current Run Time and Schedule information for the compressor system NOTE The INFO function is not available when the com pressor 1 operating 1 Power up the system using either the diesel or electric power 2 After the X4 Controller completes the system boot the display will say Press F2 Button Below to Begin Press the F2 key directly below the X4 Controller digital display 3 display will show the current Service Due dates and say Push Operate Info or Service Press INFO on the keypad Remember you can press BACK at any time to return to the previous display SERVICE SHUTDOWN 4 Press the F1 button under NEXT to see the available screens The sequence of displays is as follows e Total Hours of Compressor Run Time HRS MIN e Output Air Temp CO Level Dew Point e Hour Meter HRS
87. or lubrication problem in the compressor Determine the cause of the problem as soon as possible e High CO may indicate the presence of a source of vehicle exhaust in proximity to the compressor air intake e High dew point may indicate moisture accumulation in the air intake residual moisture in the system from non use of the compressor a problem with the condensation drain system or a need to replace the purification filters The X4 Controller displays readings for the discharge outlet temperature the CO level and the dew point while the compressor is running The operator must watch these readings for indications that conditions may ap proach out of tolerance levels The system PURGE can be used at any time and may correct some temporary out of tolerance conditions 30 When the readings reach ALARM levels the operator has the option to Purge the suspect air which may cor rect the problem or to keep operating the compressor When the readings reach the SHUTDOWN levels the operator must select OVERRIDE to continue producing air for a limited time Again use of the PURGE may cor rect some temporary out of tolerance conditions and prevent another Shutdown warning The Overrides should only be used in emergency situ ations where there is a compelling reason to continue producing breathing air such as to save a life The Override capability must be ENABLED by the System Administrator who has the responsibility for maintenanc
88. ore operation Rotation should be counterclockwise when facing the compressor fan See the arrows on the compressor belt guard If the rotation is incorrect DO NOT use the power source until the phasing has been modified by a certified electrical technician After modification recheck the rotation PROCEED TO THE OPERATING THE COMPRESSOR SECTION OF THIS INSTRUCTION 25 4 Starting and Operating Operating the Compressor 1 After the X4 Controller completes the system boot the display will say Press F2 Button Below to Begin Press the F2 key directly below the X4 Controller digital display SERVICE SHUTDOWN 2 Thedisplay will show the current Service Due dates and say Push Operate Info or Service Press OPERATE on the keypad Remember you can press BACK at any time to return to the previous display 3 display will read AUTO or MANUAL Select by pressing the key below the desired mode AUTO F1 Key recommended for on site operation when a constant supply of compressed air is needed In this mode the unit will automatically restart when system pressure drops approximately 500 psi below the maximum pressure MANUAL F3 Key used for a single compression cycle In this mode the unit will bring the ASME storage cylinders up to maximum system pressure but will not automatically restart as the pressure is depleted The unit must be restarted when storage pressure has dropped below a
89. ose passenger vehicles Load rating The maximum load that a tire is rated to carry for a given inflation pressure Maximum load rating The load rating for a tire at the maximum permissible inflation pressure for that tire Maximum permissible inflation pressure The maximum cold inflation pressure to which a tire may be inflated Maximum loaded vehicle weight The sum of curb weight accessory weight vehicle capacity weight and production options weight Measuring rim The rim on which a tire is fitted for physical dimension requirements Pin Weight The downward force applied to the 5th wheel or gooseneck ball by the trailer kingpin or gooseneck coupler Non pneumatic rim mechanical device which when non pneumatic tire assembly incorporates a wheel supports the tire and attaches either integrally or separably to the wheel center member and upon which the tire is attached Non pneumatic spare tire assembly A non pneumatic tire assembly intended for temporary use in place of one of the pneumatic tires and rims that are fitted to a passenger car in compliance with the requirements of this standard Non pneumatic tire A mechanical device which transmits either directly or through a wheel or wheel center member the vertical load and tractive forces from the roadway to the vehicle generates the tractive forces that provide the directional control of the vehicle and does not rely on the containment of any gas or fluid for pro
90. ove water and oil vapor between stages prior to entering the purification system Moisture separators continuously remove moisture from the compressor intercooler and aftercooler air circuits During normal operation the dump solenoid valves are activated automatically every 15 minutes The condensate container collects the moisture drained from the moisture separators The operator must empty the container after every 10 hours of operation Diesel Engine The 4 cylinder liquid cooled diesel engine is rated at 44 maximum HP at 3000 RPM and is powered by a 12 volt DC starter generator and battery The engine powers the compressor via an air actuated clutch and vee belts Engine controls are located on the main control panel and include a keyed start switch indicators for charging oil pressure glow plug and safety shut down Never operate the Diesel Engine indoors in partly enclosed areas like open garages or near open windows doors or vents The Diesel Engine produces Carbon Monoxide a poisonous gas you cannot see or smell which can reach hazardous levels very quickly Always operate the Diesel Engine outdoors with the exhaust blowing away from places where there are people Failure to do so can result in serious injury or death Electric Motor An electric induction motor also powers the compressor The motor is available as 208 230 380 or 460 VAC 3 phase with either 50 or 60 Hz operation and requires 60 amps service
91. ps below 115 VAC OR rises above 129 VAC with acceptable loads there may be a problem with the engine speed In this case turn OFF the generator and have the system checked by a SCOTT certified repair technician Liberty Trailer Operating Instructions 6 Additional Features Flood Light Installation and Operation IMPORTANT If using the optional flood light install the unit BE FORE starting the compressor Follow all instruc tions included in this section The flood light assembly is stored in the front of the compressor system enclosure Suspended from a metal beam above the battery To install the flood light assembly 1 Apply the parking brake handle down and chock the trailer wheels 2 Support the flood light assembly and remove the safety pin from the beam 3 access to the light tower step up on the unit rear bumper above the control panel SHS LBS 0309 G110 Flood Light Assembly Installed 1 Flood Light Assembly 2 Tower Mast Screws Total of 5 3 Flood Light Power Cord N WARNING 5 T Handle Clamp 4 Slide the light assembly into the light tower mast Insert the safety pin Exercise caution when stepping on the rear bumper to access the flood light tower To avoid the risk of falling make sure the trailer park brake is ON and the wheels are chocked DO NOT step on fenders or climb onto the trailer higher than the bumper Use extra caution during icy or wet conditions
92. r to current applicable publications on compressed gas cylinder inspection available from Compressed Gas Association Inc 1725 Jefferson Davis Hwy Suite 1004 Arlington VA 22202 703 412 0900 for a detailed explanation of cylinder inspection procedures Check the latest cylinder hydrostatic test date to ensure it is current All breathing air cylinders must be visually inspected regularly and hydrostatically tested by a licensed cylinder retester in accordance with the appropriate US Department of Transportation DOT specification or applicable DOT exemption or in accordance with the appropriate Transport Canada TC Permit of Equivalent Level of Safety 1 TC SU 5134 3107 DOT E 10915 4500 LUXFER REE 150 AIR Luxfer L87G 2 mss Do not fill if damage has caused strand unraveling Elastic Expansion Range 50 150 cc MADE IN USA 60 MINUTES SHS HAC 0401 G249 Cylinder Identification and Pressure Rating 1 Transport Canada Identification and Rating 310 bar 2 Department of Transportation DOT Identification and Pressure Rating 4500 psi For a complete listing of retest date requirements for SCOTT Safety breathing air cylinders refer to the current revision of Safety Precautions for AIR PAK Cylinders SCOTT P N 89080 01 This publication is included in the literature provided with your breathing air system or upon request from SCOTT Safety Composite cylinders those cylinders utilizing f
93. railer and that the trailer trailer hitch is properly and securely attached to the tow 10 Perform a final inspection to ensure that all items vehicle on the unit are secure and prepared for transit 5 Attach the trailer to the tow vehicle The hitch 11 Turn the trailer jack crank to raise the front wheel must be installed so that the trailer tongue is level Pull out the retaining pin and remove the wheel horizontal when coupled to the tow vehicle Stow the wheel for transport 12 Remove the wheel chocks and disengage the parking brake N WARNING Do not allow anyone to stand between the trailer and the towing vehicle when attaching the trailer hitch Failure to follow this warning can lead to severe personal injury 6 The trailer is equipped with safety chains that must be attached to the tow vehicle s hitch Crisscross the chains under the trailer tongue as shown in Figure 8 1 If the tow vehicle does not provide safety chain connection points have appropriate ones added by a reputable hitch installer N DANGER SAFETY CHAINS ARE REQUIRED to be installed when towing the Liberty unit Attach the safety chains SE as instructed in this manual to guard against personal 1 Trailer Jack Crank injury death or equipment damage in the event of alee semis separation from the tow vehicle Be sure that the safety chains are short enough so that the break away cable is NOT engaged if the trailer separates from the v
94. railers are available with either a 2 5 16 inch ball coupler or 3 inch pintle ring hitch In either case the towing vehicle must have at least a Class IV hitch Check the condition of the trailer tires Check pressure on both trailer tires and the spare tire Verify adequate tire tread and that the lug nuts are tight Optimum operating tire pressure is as follows LIBERTY I two wheels 80 psi LIBERTY II four wheels 65 psi Liberty Trailer Operating Instructions Tow Vehicle Brake Actuator Tow Hitch Safety Chains Break Away Cable Break Away Switch Brake Power Cable Trailer Jack Crank Parking Brake SHS LBS 0308 G22 Before towing verify that the trailer brakes parking brake and brake actuator are operating correctly IMPORTANT Prior to using the brake actuator carefully review and understand the guidelines in the brake actuator operators manual provided with your unit Check that the actuator brake fluid reservoir is three quarters full of DOT 3 or DOT 4 brake fluid Do not allow brake fluid to contact painted surfaces since it will damage the finish Wipe any spills immediately and wash the area with water Check for fluid leaks and have the system repaired as needed Examine the actuator for wear corrosion or other damage Have the brake system repaired as needed Verify that the brake lights are operating properly Before towing raise the trailer jack assembly and remove the wheel The trailer jack asse
95. rally or separably to the non pneumatic rim and provides the connection between the non pneumatic rim and the vehicle or in the case of a non pneumatic tire assembly not incorporating a wheel a mechanical device which attaches either integrally or separably to the non pneumatic tire and provides the connection between tire and the vehicle Wheel holding fixture The fixture used to hold the wheel and tire assembly securely during testing Tire Safety Information Continued on following page Liberty Trailer Operating Instructions 71 9 Towing the Liberty Trailer 1 4 Tire Safety Everything Rides On It The National Highway Traffic Safety Administration NHTSA has published a brochure DOT HS 809 361 that discusses all aspects of Tire Safety as required by CFR 575 6 This brochure is reproduced in part below It can be obtained and downloaded from NHTSA free of charge from the following web site http www nhtsa dot gov cars rules TireSafety ridesonit tires index html Studies of tire safety show that maintaining proper tire pressure observing tire and vehicle load limits not carrying more weight in your vehicle than your tires or vehicle can safely handle avoiding road hazards and inspecting tires for cuts slashes and other irregularities are the most important things you can do to avoid tire failure such as tread separation or blowout and flat tires These actions along with other care and maintenance activities can
96. re closed and secure Follow all applicable codes and laws when towing the trailer Be sure all trailer towing equipment is operational and in good condition Follow all use and safety guidelines for parking and using the trailer including proper location adequate clearances above and around the trailer and securing the wheels before beginning use of the trailer Moving parts can cause serious injury Be sure all guards and covers are in place and secure before starting the unit Never operate the Diesel Engine indoors in partly enclosed areas like open garages or near open windows doors or vents The Diesel Engine produces Carbon Monoxide a poisonous gas you cannot see or smell which can reach hazardous levels very quickly Always operate the Diesel Engine outside with the exhaust blowing away from places where there are people Failure to do so can result in serious injury or death High pressure air is dangerous Handle the high pressure air connections and hoses with care to prevent serious injury or death The air produced by this equipment must be recertified periodically as meeting CGA Grade D or better breathing quality air Regular recertification to this standard is the responsibility of the user If you have any questions or concerns regarding the installation use or maintenance of this equipment contact your authorized SCOTT dealer or distributor or contact SCOTT at 1 800 247 7257 or 704 291 8300 outside the con
97. re to lubricate properly can cause components to lock up and lead to permanent equipment damage Pre Operation Checks Continued on the next page 19 4 Starting and Operating Pre Operation Checks Continued 5 Check the oil level in the clutch oil reservoir To replenish clutch oil twist off the oil reservoir Fill with Air Tool Oil SCOTT P N AB311128 and replace the reservoir 4 i SHS LBS 0310 G132 Clutch Lubricant Reservoir Always replace the access screen and close the access doors before starting the compressor to protect users from the moving parts of the compressor and engine B beu 1 s GR x SHS LBS 0309 G91NC Screen shown in proper position during compressor operation N DANGER ALWAYS keep the unit screen in place and the ac cess doors closed during compressor operation The compressor and engine contain fast moving parts that can cause serious personal injury if they disengage or are obstructed 20 Check the condition of the trailer tires and pressure rating Optimum operating tire pressure is as follows LIBERTY I two wheels 80 psi LIBERTY II four wheels 65 psi SHS LBS 0308 G43 Tire Air Pressure Check See Item 6 Verify that the tires and rims are correct for the trailer LIBERTY two wheels LT 245 75 R16 LIBERTY II four wheels ST 225 75 R15 Replacement tires must be t
98. reathing air cylinders to be filled Filling breathing air cylinders beyond their maximum pressure rating may result in serious damage to the cylinder or cylinder valve A dam aged cylinder may rupture and can cause serious personal injury or death Liberty Trailer Operating Instructions 5 Charging Breathing Air Cylinders Cylinder Mounting and Charging The following method fills breathing air cylinders using the stored air until the breathing air cylinder and storage pressure balance Then the compressor automatically completes filling the cylinder to the pre selected pressure 1 Charge Adapters 2 Bleed Valve 1 Slowly open the bleed valve to vent any residual pressure When all air stops escaping hand tighten the bleed valve DO NOT use tools to tighten 2 Remove one ofthe adapter caps and attach a cylinder to the charge adapter Turn counterclockwise to tighten Hand tighten the connector DO NOT use tools to tighten 3 charge two cylinders remove the plug from the other charge adapter and mount the second cylinder Hand tighten the charge adapter NOTE Never leave an unused charge adapter open When charging only one cylinder verify that the cap is secure on the unused adapter 4 Open the valves located on the top of the mounted cylinders Continued on the next page 39 5 Charging Breathing Cylinders Cylinder Charging Continued 5 Open the charging chamber door lock with the
99. ressor and front to back tilt level its components 3 Always apply the parking brake handle down and chock the trailer wheels when the unit is in operation 16 Liberty Trailer Operating Instructions 4 Starting and Operating Parking Brake On SHS LBS 0308 G45NC Lever Down and Locked N DANGER Always apply the parking brake and chock the trailer wheels while performing pre operation checks and while the unit is in operation If the trailer begins to roll unexpectedly serious personal injury death and permanent damage to equipment can result Liberty Trailer Operating Instructions 17 4 Starting and Operating Pre Operation Checks NOTE Perform all pre operation checks prior to starting or transporting the unit Also see the Operator Mainte nance Checks section of this instruction N DANGER NEVER perform service on this equipment unless the electric power is switched OFF at the main terminal the diesel engine is turned OFF the compressor is completely stopped and all residual air pressure has been released from the system Follow the recom mendations of your safety procedures or the OSHA Lock Out Tag Out procedures N WARNING All scheduled maintenance beyond the scope of this manual must be performed ONLY by a SCOTT trained and certified service technician Unauthor ized maintenance or service without proper training can void the warranty lead to permanent equipment damag
100. ressure outlets located at the front of the trailer may be used to supply respirators or pneumatic tools Always follow the guidelines in this section regarding auxiliary air outlet use Refer to Working with Compressed Air in Chapter 4 before operating the low pressure air supply Read and follow all guidelines included in these sections NOTE The low pressure air supply is breathing air quality and is NOT lubricated Refer to the user instructions for the supplied air respirators and or pneumatic tools before use N DANGER If the low pressure air supply outlets are used for pneumatic tools DO NOT use the outlets to supply respirators unless the outlets are cleaned and the air quality from the outlets is verified as acceptable according to ANSI CGA specification G 7 1 Grade D or better Lubricants from the pneumatic tools or tool air lines may contaminate the low pressure air supply outlets for breathing air usage which can result in serious injury or death to respirator users Liberty Trailer Operating Instructions N DANGER NEVER use hoses to supply respirator air if they have been used to supply air to pneumatic tools The pneumatic tool hoses may be contaminated with lubricant making them unsuitable for supplying breathing air N DANGER If the Liberty breathing air system is used to supply air for pneumatic tools the air supply must still be maintained to breathing air standard Lubrication for the
101. ride function assures the System Ad ministrator that the breathing air produced by the system will always fall within the established limits Enabling the Override function permits the Operator to continue producing breathing air in the event of a life threatening emergency where breathing air is required and it is determined to accept the associated risks N WARNING ONLY use the system override capability in the event of an extreme emergency or to save a life During an override condition the operator must monitor the system at all times Operating the system beyond factory set parameters may lead to irreparable com ponent damage and or personal injury in the case of system failure The operator must be trained as to whether the Override capability is DISABLED or ENABLED If the Override is ENABLED the Operator must be trained in its use 58 Enable Disable the OVERRIDE Feature 1 After Password section the display will tell you whether the OVERRIDE Feature is ENABLED or DISABLED and ask you if you want to change the setting The factory default setting is for the OVERRIDE Feature to be DISABLED 2 f you select YES F1 button the setting will be switched to the opposite setting from ENABLED to DISABLED or from DISABLED to ENABLED 3 Ifyou select NO button the setting will stay as it was originally displayed 4 The X4 Controller will exit the Modify System Settings and return the display to the sta
102. rt up screen that says SCOTT Safety 800 247 7257 CONTINUE as when first starting the compressor system Perform System Service Record Air Sample Date and Calibrate the CO Monitor To Record the Current Air Sample Date 1 Powerupthe LIBERTY Trailer using either the Diesel Power or Electric Power according to the STARTING AND OPERATING section of this instruction 2 After the X4 Controller completes the system boot the display will say Press F2 Button Below to Begin Press the F2 key directly below the X4 Controller digital display 3 display will show the current Service Due dates and say Push Operate Info or Service Press SERVICE on the keypad Remember you can press BACK at any time to return to the previous display Select Perform System Service SERVICE SHUTDOWN Liberty Trailer Operating Instructions You will be asked to enter the USER PASSWORD The display will show 1 above F1 a 2 above F2 and a 3 above The factory installed password is 111111 To enter this press the F1 button six times If you have changed the password already enter your new password If you enter the wrong password the display will say Invalid Password Wait for five seconds and reenter password The display will say Was an Air Sample Taken Since the Last Compressor Operation Select YES F1 button if an air sample has been taken and certified to meet the breat
103. s shown in the illustration at the left In some circumstances the Department of Transportation or Transport Canada may establish a maximum fill rate for certain cylinders If you have any questions as to restrictions on the cylinders you are charging contact the DOT or TC N DANGER In certain circumstances the Department of Trans portation DOT or Transport Canada TC may establish a maximum fill rate for particular cylinders NEVER fill cylinders at a rate higher than the DOT or TC restrictions for the cylinders being filled Filling at a rate higher than established restrictions may result in catastrophic failure of the cylinder leading to serious personal injury or death Liberty Trailer Operating Instructions Fill Pressure Adjustment If the cylinder is not damaged and the hydrostatic test date is current proceed to charge the cylinder The first step is to set the target fill pressure for the cylinder s as instructed in this section N DANGER NEVER MIX RATINGS When charging more than one breathing air cylinder together charge only cyl inders that have the same pressure rating Failure to follow this instruction can result in failure of the cylinder or cylinder valve and can lead to equipment damage serious personal injury or death 1 Check the pressure rating of the selected breathing air cylinder s See Cylinder Inspection on page 32 2 When charging more than one cylinder verify
104. s more than understanding the load limits of the tires alone On all trailers there is a Federal certification VIN label that is located on the forward half of the left road side of the unit This certification VIN label will indicate the trailer s Gross Vehicle Weight Rating GVWR This is the most weight the fully loaded trailer can weigh It will also provide the Gross Axle Weight Rating GAWR This is the most a particular axle can weigh If there are multiple axles the GAWR of each axle will be provided If your trailer has a GVWR of 10 000 pounds or less there is a vehicle placard located in the same location as the certification label described above This placard provides tire and loading information In addition this placard will show a statement regarding maximum cargo capacity Cargo can be added to the trailer up to the maximum weight specified on the placard The combined weight of the cargo is provided as a single number In any case remember the total weight of a fully loaded trailer can not exceed the stated GVWR For trailers with living quarters installed the weight of water and propane also need to be considered The weight of fully filled propane containers is considered part of the weight of the trailer before it is loaded with cargo and is not considered part of the disposable cargo load Water however is a disposable cargo weight and is treated as such If there is a fresh water storage tank of 100 gallons this tan
105. si maintained by a low air pressure regulator located behind the clutch control panel on the left hand side of the unit when facing the main control panel In colder climates 40 4 or colder the clutch may disengage as air pressure is decreased Adjust the low air pressure valve regulator to increase the clutch air supply Do not exceed 120 psi The clutch may engage too quickly and make a screeching noise during engagement Adjust the Clutch Throttle Valve for smooth engagement The valve is set with a slotted screw with a lock nut The factory setting is 1 turns Open Loosen the lock nut and adjust the screw with a flat blade screwdriver Re tighten the lock nut when finished T Throttle Valve Air Pressure Valve behind panel SHS LBS 0310 G133 Clutch Adjustment If adjusting the pressure regulator cannot attain adequate pressure for operation contact a SCOTT certified service technician for assistance 54 Manually Activating the Air Clutch When using diesel engine power the required air pressure for clutch operation is normally drawn from air in the ASME storage cylinders The clutch will not operate if stored air pressure is too low In this case an alternate method is to activate the clutch using air supply of a charged breathing air cylinder NOTE This procedure only works with a breathing air cylinder which both receives AND expels air from the CGA fitting Cylinders with valves that ca
106. that all cylinders are of the same pressure rating If they are different sort them by their rating and only charge cylinders together that have the same rating NEVER MIX RATINGS 3 Observe the Storage Cylinder Pressure Gauge Verify that the compressor or storage pressure is equal to or slightly greater than the fill pressure of the selected breathing air cylinder BREATHING AIR CYLINDER PRESSURE SHS LBS 0308 G26 2NC 1 Fill Control Valve 2 Fill Pressure Regulator 3 Storage Cylinder Pressure Gauge Liberty Trailer Operating Instructions 5 Charging Breathing Air Cylinders If storage pressure is too low allow the compressor system to continue to charge the storage cylinders If necessary refer to Manually Charging Storage Cylinders at the end of this chapter Unlock the fragmentation chamber door lock by operating the handle on the right side of the chamber Charging Chamber Unlocked YELLOW lock bars NOT showing Close the Fill Control Valve by turning the valve fully clockwise Turn the Fill Pressure Regulator fully counterclockwise until the Breathing Air Cylinder Pressure Gauge reads zero 0 Continued on the next page 37 5 Charging Breathing Cylinders N CAUTION NEVER use a wrench or other tool to tighten the bleed valves or cylinder adapters Excessive force will damage the sealing surfaces and result in cyl inder leakage 7 Close both bleed valves on th
107. the maximum permissible inflation pressure on the tire sidewall This number is the greatest amount of air pressure that should ever be put in the tire under normal driving conditions Safety First Basic Tire Maintenance Continued on following page Liberty Trailer Operating Instructions 73 9 Towing the Liberty Trailer Safety First Basic Tire Maintenance Continued 1 5 3 Checking tire Pressure It is important to check your vehicle s tire pressure at least once a month for the following reasons Most tires may naturally lose air over time Tires can lose air suddenly if you drive over a pothole or other object or if you strike the curb when parking With radial tires it is usually not possible to determine under inflation by visual inspection For convenience purchase a tire pressure gauge to keep in your vehicle Gauges can be purchased at tire dealerships auto supply stores and other retail outlets The recommended tire inflation pressure that vehicle manufacturers provide reflects the proper psi when a tire is cold The term cold does not relate to the outside temperature Rather a cold tire is one that has not been driven on for at least three hours When you drive your tires get warmer causing the air pressure within them to increase Therefore to get an accurate tire pressure reading you must measure tire pressure when the tires are cold or compensate for the extra pressure in warm tires 1 5 4 Steps
108. the generator drive pulley is separate from the pulleys that run the compressor electrical power can be provided without running the compressor MER EERE IOS ILL SHS LBS 0309 G126 120V AC Outlets 2 Located on the trailer tongue Generator 220V AC Connection Never operate the Diesel Engine indoors in partly enclosed areas like open garages or near open windows doors or vents The Diesel Engine produces Carbon Monoxide a poisonous gas you cannot see or smell which can reach hazardous levels very quickly Always operate the Diesel Engine outside with the exhaust blowing away from places where there are people Failure to do so can result in serious injury or death 12 Optional Equipment Flood Light Assembly The flood light tower assembly has four 300 watt lights to provide on the scene lighting for safer working conditions The tower has a 15 foot above ground reach controllable via air power The lighting assembly plugs into the 120 VAC socket activated by a switch on the control panel Cold Weather Package An optional Cold Weather Package is available for operating the Liberty breathing air system in temperatures below 40 F 4 The heater element is powered using 120 VAC and consists of a compressor crankcase heater engine water jacket heater a compressor dump block blanket heater and an enclosure drape for additional insulation during serv
109. tinental United States or visit our web site at www scottsafety com SAVE THESE INSTRUCTIONS GC Liberty Trailer Operating Instructions Limited Warranty SCOTT SAFETY Limited Warranty on Scott LIBERTY TRAILER Breathing Air Compressor and Fill Station System Products Scott Technologies Inc d b a Scott Safety SCOTT warrants its LIBERTY TRAILER BREATHING AIR COMPRESSOR AND FILL STATION SYSTEM PRODUCTS to be free from defects in workmanship and materials for a period of two 2 years from the date of original manufacture by SCOTT This warranty applies to all components of these products except expendable components such as oil or oil filters SCOTT s obligation under this warranty is limited to replacement or repair at SCOTT s option of these products when shown to be defective in either workmanship or materials Only SCOTT personnel or when directed by SCOTT SCOTT authorized agents are permitted to perform warranty obligations This warranty does not apply to defects or damage caused by repairs of or alterations to the LIBERTY TRAILER BREATHING AIR COMPRESSOR AND FILL STATION SYSTEM PRODUCTS made by owner or any third party unless expressly permitted by SCOTT product manuals or by written authorization from SCOTT To obtain performance under this warranty and as a condition precedent to any duty of SCOTT the purchaser must present such products to SCOTT a SCOTT authorized distributor or a SCOTT authorized service
110. ure This can happen at any time without warning Failure to observe this warning could result in serious injury or death Operational Checks The operator must monitor the mobile breathing air system at all times during operation See the sec tions Compressor Stage Gauge Readings and System Tolerances and Overrides If all Compressor Operating Parameters in tolerance the system is ready to fill breathing air cylinders Proceed to Chapter 5 Charging Breathing Air Cylinders 28 Compressor Stage Gauge Readings Each of the four compression stages operates in a spe cific range of pressure to build to the maximum output pressure The compressor stage gauges are located on the front of the compressor inside the system enclosure The operator must check these gauges periodically while the compressor is running to verify that the compressor is operating properly Each stage is equipped with a suitable pressure relief safety valve designed to protect the compressor 1 First Stage Pressure Gauge 2 Second Stage Pressure Gauge 3 Third Stage Pressure Gauge 4 Fourth Stage Pressure Gauge 5 Purifier Coalescer Gauge Note the following stage pressure readings when the compressor reaches its maximum pressure 6000 psi compressor If system pressure is not building properly check all four pressure gauge readings on the Compressor Stage Pressure Panel and the fifth Purifier Coalescer pressure gauge If a
111. ure entitled Tire Safety Everything Rides On It This brochure as well as the preceding subsections describes the following items Tire labeling including a description and explanation of each marking on the tires and information about the DOT Tire Identification Number TIN Recommended tire inflation pressure including a description and explanation of Cold inflation pressure Vehicle Placard and location on the vehicle Adverse safety consequences of under inflation including tire failure Measuring and adjusting air pressure for proper inflation Tire Care including maintenance and safety practices Vehicle load limits including a description and explanation of the following items A Locating and understanding the load limit information total load capacity and cargo capacity B Calculating total and cargo capacities with varying seating configurations including quantitative examples showing illustrating how the vehicles cargo and luggage capacity decreases as combined number and size of occupants increases This item is also discussed in Section 3 C Determining compatibility of tire and vehicle load capabilities D Adverse safety consequences of overloading on handling and stopping on tires Liberty Trailer Operating Instructions 65 9 Towing the Liberty Trailer 1 1 Steps for Determining Correct Load Limit Trailer Determining the load limits of a trailer include
112. us injury or death Relocate the trailer if necessary 2 If the optional Flood Light for the Air Intake Tower is installed refer to the complete Flood Light Installation and Operation section of Chapter 6 Additional Features in this instruction 3 Remove the air inlet cover bag 4 Loosen the five 5 tower mast screws 5 Pull out on the Tower Control knob on the main control panel Turn the knob slowly clockwise to raise the tower Stop turning the knob when the desired height is reached DOWN UP TOWER CONTROL 6 When the flood lights are not in use and the diesel engine is OFF be sure to lower the flood light tower before moving the trailer To lower turn the control knob FULLY counterclockwise PROCEED TO THE OPERATING THE COMPRESSOR SECTION OF THIS INSTRUCTION Liberty Trailer Operating Instructions SHS LBS 0308 G28NC Using Electric Power 1 2 3 Follow the instructions in Pre Operation Checks and Positioning the Unit for Operation Connect a suitable electrical power source to the power input See the label at the input connector or the System Identification Tag for the required power 4 Starting and Operating Open the right side trailer door and locate the Rotary Disconnect Switch at the right front corner of the trailer Turn the Rotary Disconnect Switch to the ON position Close the trailer door Source i i
113. usable level 26 SERVICE SHUTDOWN START 4 For normal operation select AUTO The following screen will appear SERVICE SHUTDOWN Press the START button to turn the compressor ON When using ELECTRIC power verify the correct com pressor rotation before operation Rotation should be counterclockwise when facing the compressor fan See the arrows on the compressor belt guard If the rotation is incorrect DO NOT use the power source until the phas ing has been modified by a certified electrical technician After modification recheck the rotation N CAUTION When powering the compressor with the external electrical power source verify the correct compres sor rotation before operation Rotation should be counterclockwise when facing the compressor fan See the arrows on the compressor belt guard If the rotation is incorrect DO NOT use the power source until the phasing has been modified by a certified electrical technician After modification recheck the rotation Liberty Trailer Operating Instructions X4 Controller display will show the compressor dis charge temperature F carbon monoxide concentration CO and dew point level DP of the discharge air Refer to the System Tolerances and Overrides section on Page 28 If any of the Compressor Operating Parameters are out of tolerance run a Purge cycle as instructed in the Use of the Purge section of this instruction 4 Starting and
114. user After the air has been compressed and purified it is directed either to the ASME storage cylinders or the breathing air cylinders depending on control panel settings The moisture traps are automatically drained after every 15 minutes of compressor operation The condensate discharge is directed to a container that must be manually drained after several hours of operation When the discharge pressure reaches the maximum preset level the compressor is unloaded The moisture traps open and the compressor continues to run without compressing air for two 2 minutes Prior to stopping the compressor automatically drains all accumulated moisture while it cools down preventing compression cylinder rust This also provides for an unloaded compressor restart The compressor system can be run in AUTO or MANUAL mode as selected via the control panel In AUTO mode the compressor automatically restarts when storage pressure drops approximately 500 psi below the maximum system pressure When in MANUAL mode the compressor stops after purging and must be restarted manually 3 Features Liberty Trailer Illustrations Figure 3 1 Liberty 1 Single Axle Top View The Liberty I trailer is 76 inches wide 90 inches high If equipped with the pintle ring hitch as shown the trailer length equals 174 inches The trailer with the 2 5 16 ball coupler hitch is 176 inches long In this manual the FRONT of the trailer is the tr
115. ve bits of glass and foreign objects wedged in the tread Make sure your tire valves have valve caps E Check tire pressure before going on a long trip Do not overload your vehicle Check the Tire Information and Loading Placard or User s Manual for the maximum recommended load for the vehicle Maximum load amp inflation when used as a dual Severe snow conditions Load inflation limits 78 Liberty Trailer Operating Instructions GC Liberty Trailer Operating Instructions 10 Index A Additional Features 43 Air supply low pressure 43 storage 11 Analog hour meter engine location 23 ASME storage cylinders description 11 Auxiliary air outlet location 43 operation 43 Brake actuator 62 Breathing air cylinders charging 35 filling from Compressor 42 inspection 36 pressure rating 37 Carbon monoxide monitor flow control 27 Charging chamber locked 38 unlocked 37 Clutch troubleshooting 54 Cold weather package description 12 47 Compressor correct rotation checking 26 description 11 oil level 19 serial number 4 Compressor pressure gauge location 23 Compressor system description 5 features 5 maximum tilt level 16 operating procedures 15 operation AUTO or MANUAL mode 26 Liberty Trailer Operating Instructions Compressor system cont preparing for operation 18 shutdown 32 starting the compressor diesel engine power 24 electric power 25 Controller X4 location 23
116. ve from service and tag for repair by authorized personnel NOTE SCOTT recommends that the compressor system should be operated for at least thirty 30 minutes once a week to maintain optimum performance and to identify any problems Liberty Trailer Operating Instructions Service Schedules Maintenance and service procedures for the Liberty Trailer breathing air system must be performed by a SCOTT trained and certified service technician The operator is responsible for monitoring the compressor run time and notifying the System Administrator when the intervals of fifty 50 and one hundred 100 hours occur The compressor run time and service due information is available from the X4 Controller using the Information Button INFO as described in Chapter 4 STARTING AND OPERATING After every fifty 50 hours of compressor running time the following maintenance should be performed by a trained technician Replace the Air Purifier elements Change the break in compressor oil perform subsequent oil changes every one hundred 100 hours of compressor run time Check the tightness of all major fasteners including Head Bolts valve retainers mounting bolts etc After every one hundred 100 hours of compressor running time the following maintenance should be performed by a trained technician Replace the air intake filter element Change the engine crankcase oil Check the Auto Drain system
117. viding those functions Glossary Of Tire Terminology Continued on following page Liberty Trailer Operating Instructions 69 9 Towing the Liberty Trailer Glossary Of Tire Terminology Continued Non pneumatic tire assembly A non pneumatic tire alone or in combination with a wheel or wheel center member which can be mounted on a vehicle Normal occupant weight This means 68 kilograms 150 lbs times the number of occupants specified in the second column of Table of 49 CFR 571 110 Occupant distribution The distribution of occupants in a vehicle as specified in the third column of Table of 49 CFR 571 110 Open splice Any parting at any junction of tread sidewall or innerliner that extends to cord material Outer diameter The overall diameter of an inflated new tire Overall width The linear distance between the exteriors of the sidewalls of an inflated tire including elevations due to labeling decorations or protective bands or ribs Ply A layer of rubber coated parallel cords Ply separation A parting of rubber compound between adjacent plies Pneumatic tire A mechanical device made of rubber chemicals fabric and steel or other materials that when mounted on an automotive wheel provides the traction and contains the gas or fluid that sustains the load Production options weight The combined weight of those installed regular production options weighing over 2 3 kilograms 5 16 in e
118. vities required at prescribed service intervals Operating the Compressor continued on the next page 29 4 Starting and Operating Operating the Compressor Continued System Tolerances and Overrides The X4 Controller monitors certain system conditions during compressor operation including the following e Compressor oil level or pressure is measured within the compressor e Compressor discharge air temperature F is measure at the final stage outlet of the compressor e Carbon Monoxide CO is measured after the final air purifier e Dew Point level DP is measured after the final air purifier The system will alarm if conditions approach out of tolerance limits and will subsequently shutdown the compressor when the limits are exceeded When the compressor shuts down the diesel engine will continue to run at a slow idle Compressor Operating Parameters down Maximum Air temperature 550 Carbon Monoxide CO 30 ppm These are the factory pre set alarm and shutdown set points Other set points may be programmed by the System Administrator An out of tolerance condition indicates a problem or potential problem with the compressor system that must be checked and corrected as soon as possible Low compressor oil level or pressure indicates insufficient oil to operate the compressor High compressor discharge air temperature may indicate a high ambient air temperature condition OR a cooling
119. xcess of those standard items which they replace not previously considered in curb weight or accessory weight including heavy duty brakes ride levelers roof rack heavy duty battery and special trim Radial ply tire A pneumatic tire in which the ply cords that extend to the beads are laid at substantially 90 degrees to the centerline of the tread Recommended inflation pressure This is the inflation pressure provided by the vehicle manufacturer on the Tire Information label and on the Certification VIN tag Reinforced tire Atire designed to operate at higher loads and at higher inflation pressures than the corresponding standard tire Rim A metal support for a tire or a tire and tube assembly upon which the tire beads are seated Rim diameter This means the nominal diameter of the bead seat Rim size designation This means the rim diameter and width Rim type designation This means the industry of manufacturer s designation for a rim by style or code Glossary Of Tire Terminology Continued on following page 70 Liberty Trailer Operating Instructions 9 Towing the Liberty Trailer Glossary Of Tire Terminology Continued Rim width This means the nominal distance between rim flanges Section width The linear distance between the exteriors of the sidewalls of an inflated tire excluding elevations due to labeling decoration or protective bands Sidewall That portion of a tire between the tread and bead
120. y Dangerous 1 Hose Reel to Life or Health where the respirator is required to 2 support life NEVER use the Fill Control Assembly to charge an 3 Pressure Regulator SCBA air cylinder while the SCBA is being worn if 4 Regulated Pressure Gauge the SCBA or the cylinder is known or suspected of 5 having been dropped exposed to direct flame im pingement or damaged in any way Failure to observe these warnings may result in seri ous injury or death Fill Supply Valve Hose Reel Rewind Button N WARNING Keep hands and other objects clear from the hose reel during operation Never operate the hose reel with the protective guard removed Moving parts on the reel can crush extremities and cause serious personal injury 48 Liberty Trailer Operating Instructions 6 Additional Features At the fill control assembly 5 To supply high pressure breathing air to the receiver SLOWLY turn the Fill Control Valve on the Fill Control Assembly Monitor the gauge until it reaches the intended maximum pressure required 1 Verify that the air receiver is suitable for breathing air at the pressure to be supplied 2 Extend the hose to reach the air receiver using care to keep the Charge Adapter clean and protected from damage 6 When finished completely close the Fill Control Valve and the valve on the receiver 7 remove the receiver first open the bleed valve When air stops escaping remove the receiver from the
121. y or death Improper use includes but is not limited to use without adequate training disregard of the warnings and instructions contained herein and failure to inspect and maintain this equipment Liberty Trailer Operating Instructions Working with Compressed Air High pressure air can be dangerous NEVER tighten loosen or adjust any type of fitting that is under pressure NEVER adjust a safety relief valve The valve is installed to prevent overloading the air compressor and related system components Interfering with this setting can result in serious damage or injury NEVER perform any service on this equipment unless the electric power is switched OFF at the main terminal the diesel engine is turned OFF and cooled the compressor is completely stopped and all residual air pressure has been released from the system Follow the recommenda tions of the OSHA Lock Out Tag Out procedures or your organization s safety procedures NEVER pass in front of an air outlet when compressed air is being released High pressure air could cause injury NEVER attempt to straighten or reuse bent tubes or utilize any damaged fittings NEVER charge a breathing apparatus or ASME storage cylinder beyond the rated working pressure NEVER fill a breathing air cylinder that has not been inspected according to this instruction and verified to be acceptable for filling REMEMBER Compressed air can kill Treat it with respect N DANG

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