Page 3: Table Of Contents
Quick Table of Contents PART 1: INTRODUCTION.................1 PART 2: CAB AND FRAME ACCESS..............6 PART 3: GETTING TO YOUR ENGINE............10 PART 4: CONTROLS AND DISPLAYS............15 PART 5: SEAT AND RESTRAINT SYSTEMS..........57 PART 6: DRIVER’S CHECKLIST..............69 PART 7: STARTING & OPERATING THE VEHICLE........73 PART 8: MAINTENANCE AND SERVICE..
Page 5: Part 1: Introduction
PART 1: INTRODUCTION How To Find What You Want PART 1: INTRODUCTION This manual contains useful information for the safe and All information contained in this manual is based on the lat- efﬁcient operation of your Model 320. It also provides in- est production information available at the time of publica- formation on maintaining your vehicle in the best condition, tion.
Page 6 Additional Sources of Information PART 1: INTRODUCTION So if you want information on brakes, for example, just look Maintenance Manuals. If you do decide to do any com- under Brake in the Subject Index. You’ll ﬁnd all the pages plex repair work, you’ll need the Peterbilt Maintenance listed where brakes or braking are discussed.
Page 7 PART 1: INTRODUCTION Warnings Your new Peterbilt also contains a copy of the Truck WARNING: Driver’s Handbook, published by the American Trucking Association. Refer to it for important information on driving When you see this symbol & word, the message that fol- your vehicle.
Page 8 Vehicle Safety PART 1: INTRODUCTION NOTE: duty to do so. Inspect the vehicle according to"PART 6: DRIVER’S CHECKLIST". Gives you information we feel you’d like to have. It could WARNING! Do not drink and drive. Your re- have to do with care of your vehicle or with driving more ﬂexes, perceptions, and judgment can be af- efﬁciently: fected by even a small amount of alcohol.
Page 9 PART 1: INTRODUCTION Vehicle Safety time of manufacture. However, even with these safety must be operated within the range of its mechanical capa- features, continued safe and reliable operation depends bilities and the limits of its load ratings. See the axle and tire greatly upon regular vehicle maintenance.
Page 10: Part 2: Cab And Frame Access
PART 2: CAB AND FRAME ACCESS PART 2: CAB AND FRAME ACCESS Be careful whenever you get into or out of your vehicle’s cab. Always maintain at least three points of contact with your hands on the grab handles and your feet on the steps. WARNING! Jumping out of the cab or getting into the cab without proper caution is danger- ous.
Page 11 PART 2: CAB AND FRAME ACCESS Door Lock and Keys 02872 02873 Three points of contact as you climb up or down Three points of contact as you step in or out Door Lock and Keys Doors can be locked from the inside by using the lock but- ton.
Page 12 Climbing Onto the Deck Plate PART 2: CAB AND FRAME ACCESS icy, or if you step in oil, fuel, or grease. Keep WARNING! To lessen the chance and/or sever- steps clean. Always maintain at least three ity of personal injury in case of an accident, al- points of contact between your hands and ways lock the doors while driving.
Page 13 PART 2: CAB AND FRAME ACCESS Front Cab Guard/Ladder Front Cab Guard/Ladder WARNING! The optional front cab guard/ladder is used on front-load- • Do not climb on the cab roof. The cab roof ing refuse vehicles to protect the cab from damage and to is not a slip-resistant surface and is not stand on in order to remove debris from above the cab.
Page 14: Part 3: Getting To Your Engine
Cab Tilting PART 3: GETTING TO YOUR ENGINE PART 3: GETTING TO YOUR ENGINE Cab Tilting • Perform work only when the cab is in the me- chanically locked position or in the full tilt po- sition. WARNING! You can be seriously injured by the •...
Page 15 PART 3: GETTING TO YOUR ENGINE Raising the Cab Raising the Cab • Straighten the front wheels before tilting the cab or cab/tire damage could occur. An independent hydraulic system raises and lowers the The following cab tilting instructions are labelled and in- cab.
Page 16 Raising the Cab PART 3: GETTING TO YOUR ENGINE 02874 02875 Handle in "Raise" Position Locking Bar in Anchored Position 7. Attach pump handle to the pump and pump to raise the 8. Place the control valve handle in the “Lower” position cab (the latch hooks will release automatically when and allow the cab to settle down slightly on the locking pump is actuated).
Page 17 PART 3: GETTING TO YOUR ENGINE Lowering the Cab 02876 Handle in "Lower" Position 02877 Cab in Full Tilt Position Lowering the Cab 1. Place the control valve handle in the "Raise" position and pump until the locking bar can be removed from the anchor and fastened in its stored position.
Page 18 Lowering the Cab PART 3: GETTING TO YOUR ENGINE 02878 02879 Locking Bar In Stored Position Upper and Lower Rear Cab Mount 3. Allow at least 20 seconds after the cab touches down CAUTION: Do not try to pump the cab down for the full spring force to develop in the latch hooks in or hold it down with hydraulic force.
Page 19: Part 4: Controls And Displays
PART 4: CONTROLS AND DISPLAYS Your Instrument Panel PART 4: CONTROLS AND DISPLAYS This part explains the location of the various features on We have tried to describe all the most common features your vehicle and describes their function. For information and controls available, so your vehicle may not have some on using these features in driving, see the paragraphs that of the ones that appear in this section.
Page 20 Your Instrument Panel PART 4: CONTROLS AND DISPLAYS LEFT SIDE Turn Signal/Hazard Flasher 15. Panel Light Knob 16. Speedometer w/ Message Accelerator Pedal Center (SMC) Brake Pedal 17. Primary Air Pressure High Beam Switch 18. Fuel Clutch Pedal 19. Transmission Oil Temp. Ignition Key Switch 20.
Page 21 PART 4: CONTROLS AND DISPLAYS Warning Alarms RIGHT SIDE Turn Signal/Hazard Flasher Secondary Air Pressure Transmission Controls 10. Starter Switch Parking Brake Valve 11. Stop Switch Horn Button 12. Primary Air Pressure Windshield Washer 13. Engine Oil Pressure Reservoir 14. Safety Chain Working Brake Switch 15.
Page 22 Warning Alarms PART 4: CONTROLS AND DISPLAYS NOTE: In addition to the warning messages men- NOTE: tioned in this part - if any of the following conditions • Warning messages from system alarms with an occur after startup and self-test, the multiplex in- audible alarm can be temporarily overridden by strumentation system should be serviced pressing the Reset switch.
Page 23 PART 4: CONTROLS AND DISPLAYS Warning Alarms • If the odometer is displayed, continue with the Display Activation Gauge LED Buzz Deactivation start-up procedure. Condition Display IM DIAG System Fault None None • If a warning message is displayed instead of the odometer, it is being generated by the multiplex in- IM LIN System Fault...
Page 24 Turn Signal and Indicator Lights PART 4: CONTROLS AND DISPLAYS Steering Column-Mounted Controls Display Activation Gauge LED Buzz Deactivation Condition Display Turn Signal and Indicator Lights System Fault None None TRANTMP Main Main TRAN OK transmission Transmission temperature Temperature is high 02882 Turn Signal The turn signal body is mounted on the left side of the steer-...
Page 25 PART 4: CONTROLS AND DISPLAYS High Beam Headlights other vehicle could run into you if you do not set your ﬂashers. Always move the vehicle a safe NOTE: The ignition key must be turned to ON for distance off the road when stalled or stopped the signal/switch to operate.
Page 26 Trailer Brake Hand Valve PART 4: CONTROLS AND DISPLAYS Trailer Brake Hand Valve 02885 Trailer Brake Hand Valve 02884 High Beam Headlight Switch Button If your vehicle is a tractor, it will be equipped with a trailer brake hand valve. This hand valve provides air pressure to apply the trailer brakes only.
Page 27 PART 4: CONTROLS AND DISPLAYS Electric Horn WARNING! It is dangerous to use air-applied trailer brakes for parking or holding a vehicle. Air system pressure can bleed down and re- lease the brakes. You could have a vehicle roll- away resulting in an accident. You or others could be badly injured.
Page 28 Ignition Switch PART 4: CONTROLS AND DISPLAYS Dash-Mounted Features – Emergency hazard ﬂasher – Auxiliary power Keys and Locks – Dome light The same key operates the ignition and opens the doors. This is the key position that will stop the engine from the Frame-mounted tool box locks and locking fuel tank caps left-hand drive station.
Page 29 PART 4: CONTROLS AND DISPLAYS Manual Override for Engine Shutdown Starter Button Pushing this button at the right-hand drive station stops the engine. Manual Override for Engine Shutdown 02887 With the ignition switch ON, pushing this button at the right- hand drive station will perform the same function as turning the key to the START position at the left-hand drive station.
Page 30 Panel Light Knob PART 4: CONTROLS AND DISPLAYS Headlights daytime running lights are turned off automatically while the parking brake is engaged. If the headlamp switch is turned on, the DRL system is overridden & headlamps operate normally. Panel Light Knob 02890 The headlights are controlled by the control panel switch(es) showing the above symbol.
Page 31 PART 4: CONTROLS AND DISPLAYS Fog/Driving Lights Switch ID and Clearance Lights Switch Fog/Driving Lights Switch 02892 These are the amber lights on top of your cab, the lights on the front and sides of the trailer and the red lights on the rear of a truck or trailer.
Page 32 Windshield Wipers and Washers PART 4: CONTROLS AND DISPLAYS Dome Light Switch Wiper To turn on the wiper(s), rotate the knob(s) clockwise. As the knob is rotated, the speed of the wiper increases. To turn off the wiper, rotate the knob counterclockwise. Washer To use the washer, push the button on the control panel showing this symbol.
Page 33 PART 4: CONTROLS AND DISPLAYS Air Suspension Deﬂate Switch (Dump Valve) allows the air in the suspension to be exhausted. The pur- CAUTION: Do not use antifreeze or engine pose of this feature is to allow you to lower your tractor to coolant in the windshield washer reservoir—...
Page 34 Air Suspension Deﬂate Switch (Dump Valve) PART 4: CONTROLS AND DISPLAYS Engine Fan Switch WARNING! Do not work on the fan with the en- gine running. Anyone near the engine fan when it turns on could be badly injured. If it is set at ON, it will turn on any time the ignition key switch is turned to the ON position.
Page 35 PART 4: CONTROLS AND DISPLAYS Mirror Heat Switch Power Mirror Switch change lanes. Remember that other objects are closer than they may appear. NOTE: The Power Mirror Switch does not control the adjustment of the convex mirrors Mirror Heat Switch 03024 The power mirror control controls the adjustment of the right or left outside mirrors, depending on the option se-...
Page 36 Engine Brake PART 4: CONTROLS AND DISPLAYS Cruise Control Switch you to lose control of the vehicle resulting in an injury accident. The master switch turns the cruise control ON or OFF. The second switch allows you to SET the desired speed or RE- NOTE: Cruise control functions and features may SUME the desired speed after the cruise control function vary depending upon which engine you have.
Page 37 PART 4: CONTROLS AND DISPLAYS Interaxle Differential Lock Switch Interaxle Differential Lock Switch When an engine brake is energized, the power-producing diesel engine is converted into a power-absorbing air com- pressor to retard the vehicle. • The brake is energized whenever the driver’s foot is completely removed from the accelerator pedal.
Page 38 Fifth Wheel Lock (Slider Adjustment) Switch PART 4: CONTROLS AND DISPLAYS for highway speeds. There is a guard over this switch to WARNING! Placing the differential lock in the prevent you from accidentally changing speeds. “LOCK” position while your wheels are spin- For information on how to operate your two-speed rear axle ning could cause loss of control or axle dam- properly and safely, see "PART 7: STARTING &...
Page 39 PART 4: CONTROLS AND DISPLAYS Parking Brake Valve and Trailer Air Supply Valve Parking Brake Valve and Trailer Air By placing the switch in the unlock position, you can slide the ﬁfth wheel to various positions to adjust weight distribu- Supply Valve tion.
Page 40 Heating And Air Conditioning Controls PART 4: CONTROLS AND DISPLAYS If your vehicle is a tractor, a red, octagonal-shaped knob WARNING! Stopping with the parking brake will be next to the parking brake valve on the right-hand controls can cause a sudden wheel lock-up, control panel.
Page 41 PART 4: CONTROLS AND DISPLAYS Heating And Air Conditioning Controls CAUTION: Never idle your vehicle for prolonged NOTE: Do not stay in the vehicle with the engine periods of time if you sense that exhaust fumes running or idling for more than 10 minutes with are entering the cab.
Page 42 Heating And Air Conditioning Controls PART 4: CONTROLS AND DISPLAYS Heating System The heating system is a variable-coolant-ﬂow type of sys- tem. • Hot engine coolant is circulated by the engine water pump through a heater core within the heater unit. •...
Page 43 PART 4: CONTROLS AND DISPLAYS Heating And Air Conditioning Controls WARNING! Do not drive with visibility reduced CAUTION: by fog, condensation, or frost on the wind- • A cold compressor can cause refrigerant to shield. Your view may be obscured, which liquefy and warp the valve plates or cause a could result in an injury accident.
Page 44 Heating And Air Conditioning Controls PART 4: CONTROLS AND DISPLAYS Air Conditioning System Your vehicle may be equipped with either of two air con- ditioning systems. Cab interior air is continuously recircu- lated and cooled by these systems. In both systems, the compressor, receiver-dryer, and condenser are located in the engine compartment.
Page 45 PART 4: CONTROLS AND DISPLAYS Heating And Air Conditioning Controls mounted in the cover piece of the unit located in the cab To cool the cab, turn on the air conditioning system and ceiling. It contains a rotary switch to select blower speed adjust the blower speed until comfortable.
Page 46 Gauges And Displays PART 4: CONTROLS AND DISPLAYS Cigarette Lighter WARNING! Do not exceed the voltage/amper- age capacity of the cigarette lighter. It could re- sult in a ﬁre. Follow all warnings and instruc- tions in the operator’s manual for the appliance you are using.
Page 47 PART 4: CONTROLS AND DISPLAYS Speedometer-Message Center (SMC) Speedometer-Message Center (SMC) NOTE: All of the warning lights and alarms for func- tions monitored by the multiplex instrumentation system are contained within the individual gauges of the system. The alarms for other controls or systems that you may have will be displayed sepa- rately on the instrument panel.
Page 48 Speedometer-Message Center (SMC) PART 4: CONTROLS AND DISPLAYS • Trip 2 odometer To set or reset a function, follow the procedures below. • Hourmeter • Clock NOTE: Neither the odometer nor the hourmeter can • Clock alarm be reset. • Warning and Diagnostic messages (see "Multiplex In- 1.
Page 49 PART 4: CONTROLS AND DISPLAYS Speedometer-Message Center (SMC) • Clock Alarm – To turn the alarm OFF or ON, press & hold the Select switch for 3 seconds while viewing any A. Press & release the Reset switch; the hours digit display.
Page 50 Air Application Gauge PART 4: CONTROLS AND DISPLAYS Tachometer Air Application Gauge 11244B 11458 Your tachometer measures the engine speed in revolu- This gauge will show you how much air pressure is being tions- per-minute (RPM). Watching your tachometer is im- applied from your foot brake valve or trailer brake hand portant to driving efﬁciently.
Page 51 PART 4: CONTROLS AND DISPLAYS Primary And Secondary Air Pressure Gauges (Air Reservoir) Primary And Secondary Air Pressure The secondary gauge indicates pressure in the rear reser- voir: Gauges (Air Reservoir) These air pressure gauges indicate the amount of air pres- sure in the brake system in pounds per square inch (psi).
Page 52 Engine Oil Pressure Gauge PART 4: CONTROLS AND DISPLAYS Engine Oil Pressure Gauge WARNING! The air pressure warning light and the audible alarm indicate a dangerous situa- tion. There is not enough air pressure in the reservoirs for repeated braking and the brake system has failed.
Page 53 PART 4: CONTROLS AND DISPLAYS Water Temperature Gauge Water Temperature Gauge • If your oil pressure fails to rise within 10 seconds after your engine starts, stop the engine and determine the cause. • If your oil pressure suddenly drops while you are driv- ing, bring the vehicle to a stop as soon as possible in a safe location off the road and turn off the engine.
Page 54 Water Temperature Gauge PART 4: CONTROLS AND DISPLAYS cept for certain special engines. Check your engine man- and steam. Before you completely remove the cap, care- ual to be sure. fully and slowly turn the cap part way to allow excess pres- sure to escape.
Page 55 PART 4: CONTROLS AND DISPLAYS Fuel Gauge time. If it has not, stop the engine and let it cool before WARNING! Do not remove a fuel tank cap near checking to see if the coolant is low. an open ﬂame. Hot fuel vapors are combustible and can cause an explosion or ﬁre resulting in Fuel Gauge injury or death.
Page 56 Front Drive Axle or Rear Drive Axle Temperature Gauge PART 4: CONTROLS AND DISPLAYS Transmission Temperature Gauge the transmission and type of lubricant. It is typically 250° F (121° C); check your transmission’s owner’s manual. Front Drive Axle or Rear Drive Axle Temperature Gauge 11427 Your Transmission Temperature Gauge indicates the tem-...
Page 57 PART 4: CONTROLS AND DISPLAYS Manifold Pressure Gauge Manifold Pressure Gauge CAUTION: Driving with very hot temperatures in your rear drive axles can cause serious damage to axle bearings and seals. Check axle lubrica- tion if a driver temperature alarm sounds. These gauges indicate the temperature of the lubricant in your vehicle’s axle(s).
Page 58 Air Filter Restriction Indicator Gauge PART 4: CONTROLS AND DISPLAYS Voltmeter Air Filter Restriction Indicator Gauge 11497 11495 Your voltmeter displays the battery voltage. Normally, it This gauge indicates the condition of the engine air cleaner should show 12V to 14V (volts). and is measured by inches of water (H2O).
Page 59 PART 4: CONTROLS AND DISPLAYS Shift Pattern Display CAUTION: Continued operation with the Air Filter Restriction Gauge reading 25” H2O may cause damage to the engine. Inspect the ﬁlter and replace if necessary. Holes in the paper element render an air cleaner useless and may cause the Air Filter Restriction Gauge to give a false reading, even if the element is clogged.
Page 60 Mirrors PART 4: CONTROLS AND DISPLAYS Mirrors Your vehicle is equipped with outside mirrors to enable you to see to the sides and behind your vehicle. Be sure they are adjusted properly before you drive off. You will have WARNING! Optional convex outside rear-view the best ﬁeld of view to the side if you adjust each mirror mirrors make objects appear smaller and far- so you can just see the side of your vehicle in the inboard...
Page 61: Part 5: Seat And Restraint Systems
PART 5: SEAT AND RESTRAINT SYSTEMS Seat Belts And Their Proper Use PART 5: SEAT AND RESTRAINT SYSTEMS Seat Seat Belts And Their Proper Use For information on the features and adjustment of the seat, Seat (or safety) belts have proven to be the single most see the seat manufacturer’s literature included with the ve- effective means available for reducing the risk of serious hicle.
Page 62 Lap/Shoulder Belt PART 5: SEAT AND RESTRAINT SYSTEMS 1. Grasp the belt tongue and pull the belt in a continuous slow motion across your chest and lap. 2. Insert the belt tongue into the buckle on the inboard side of the seat. 3.
Page 63 PART 5: SEAT AND RESTRAINT SYSTEMS Proper Safety Belt Adjustment Proper Safety Belt Adjustment Your combination lap-shoulder belt may need adjustment. Adjust safety belts properly. • The lap belt should be worn as low and tight on the hips as possible. Make sure any slack is taken up by the belt mechanism.
Page 64 Proper Safety Belt Adjustment PART 5: SEAT AND RESTRAINT SYSTEMS belts Safety Restraint Belts bones. This can result in serious internal in- WARNING! juries. • Always wear your seat belt low over your • Do not drive with your seat belt loose. A seat pelvic bones.
Page 65 PART 5: SEAT AND RESTRAINT SYSTEMS Komfort-Lok® Feature Komfort-Lok® Feature • Do not wear the shoulder belt under your arm or otherwise out of position. In a crash your Your Peterbilt contains a feature designed to eliminate body would move too far forward, increasing cinching and provide improved safety and comfort.
Page 66 Pregnant Women PART 5: SEAT AND RESTRAINT SYSTEMS properly - low over her pelvis, below her abdomen - the belt won’t harm the baby, even in a crash. And remember - the best way to keep an unborn baby safe is to keep the mother safe.
Page 67 PART 5: SEAT AND RESTRAINT SYSTEMS Tether Belts Passengers care label on the belts. Let them dry completely before allowing them to retract. Anyone riding in your vehicle should wear a seat belt. The • If any seat belt is not working properly, see an autho- responsible operator sees to it that everyone in the vehicle rized Peterbilt dealer for repair or replacement.
Page 68 Tether Belts PART 5: SEAT AND RESTRAINT SYSTEMS Tether Adjustment WARNING! • Failure to adjust tether belts properly can cause excessive movement of the seat in an accident. This could lead to greater injuries for you. Tether belts should be adjusted so that they are taut when the seat is in its most upward and forward position.
Page 69 PART 5: SEAT AND RESTRAINT SYSTEMS Inspection of the Restraint System Inspection of the Restraint System takes off the belt. In trucks, however, there is almost constant movement of the belt through hardware due to ride characteristics and seats which are designed WARNING! Failure to properly inspect and to move, in order to enhance driver comfort.
Page 70 Inspection of the Restraint System PART 5: SEAT AND RESTRAINT SYSTEMS shows cuts, fraying, extreme or unusual wear, signiﬁcant 1. Check the web wear in the system. The webbing must discoloration due to UV exposure, abrasion to the seat belt be closely examined to determine if it is coming into webbing, or damage to the buckle, latch plate, retractor contact with any sharp or rough surfaces on the seat...
Page 71 PART 5: SEAT AND RESTRAINT SYSTEMS Inspection of the Restraint System cause of relative movement between the seat and the 7. Mounting hardware should be evaluated for corrosion, cab. and for tightness of bolts and nuts. 3. Check the Komfort Latch™ for cracks or possible dam- 8.
Page 72 Inspection of the Restraint System PART 5: SEAT AND RESTRAINT SYSTEMS nal components that were removed. This will maintain the system has been developed and tested speciﬁcally for this design integrity of the mounting points for the seat belt as- vehicle.
Page 73: Part 6: Driver's Checklist
PART 6: DRIVER’S CHECKLIST Safe Vehicle Operation PART 6: DRIVER’S CHECKLIST Safe Vehicle Operation can’t ﬁx it yourself, please have a qualiﬁed mechanic ﬁx it right away. To keep your vehicle in top shape, and to maintain its high For your safety, as well as those around you, be a respon- level of safety for you, your passengers, and your load, sible driver: make a thorough inspection every day before you drive.
Page 74 Checking Under the Hood or Cab PART 6: DRIVER’S CHECKLIST 3. Check for damaged, loose, or missing parts. Are there WARNING! Do not drink and drive. Your re- parts showing signs of excessive wear or lack of lubri- ﬂexes, perceptions, and judgment can be af- cation? Have a qualiﬁed mechanic examine any ques- fected by even a small amount of alcohol.
Page 75 PART 6: DRIVER’S CHECKLIST Checking Outside the Vehicle 8. Check the steering components (pitman arm; draglink; 3. Check the front wheel bearing lube level. power steering hoses, etc.) 4. Check parking (spring) brakes as to the condition and tightness of air lines, breathers, clamp rings & bolts, 9.
Page 76 After Engine Warmup PART 6: DRIVER’S CHECKLIST 17.Check springs or other suspension parts for damage 3. Safety Restraints: Check and inspect condition. (See such as cracks, gouges, distortions, bulges, or chaf- "PART 5: SEAT AND RESTRAINT SYSTEMS" or the ing. Index, under Restraint Systems.) 18.Check the air system.
Page 77: Part 7: Starting & Operating The Vehicle
PART 7: STARTING & OPERATING THE VEHICLE Normal Temperature Starting Procedure PART 7: STARTING & OPERATING THE VEHICLE Since each vehicle is custom-equipped, all engine opera- NOTE: If the instrument panel displays other tion instructions in this manual are general. You will want messages or if other alarms activate after the to consult the manual for your engine to ﬁnd out details key is turned ON, see the Instruments and Con-...
Page 78 Engine Warmup PART 7: STARTING & OPERATING THE VEHICLE Cold Temperature Starting Procedure If the engine still won’t start after a couple of tries, check the manual override shutdown valve and fuel In cold weather, fast engine starting helps relieve the loads lines for possible fuel starvation or air leaks.
Page 79 PART 7: STARTING & OPERATING THE VEHICLE Engine Warmup 2. After a few minutes of idling at 600 RPM, increase WARNING! Exhaust fumes from the engine con- your idle speed to 900 or 1000 RPM. Continue your tain carbon monoxide, a colorless and odorless warmup.
Page 80 Transmission Warmup PART 7: STARTING & OPERATING THE VEHICLE vehicle’s Heater and A/C ventilation system in CAUTION: The use of a winterfront can result RECIRC or at LOW FAN SPEED. Even with the in excessive engine coolant, oil, and charge air ventilation system On, running the engine while (intake) temperatures, which can lead to over- parked or stopped for prolonged periods of time...
Page 81 PART 7: STARTING & OPERATING THE VEHICLE Idling the Engine Idling the Engine NOTE: Shift control cables are lubricated for life Under most circumstances, idling your engine for long pe- and are non-repairable. The cables cannot be lubri- riods merely wastes fuel. In severe arctic weather condi- cated and/or repaired.
Page 82 Shifting Gears in a New Vehicle PART 7: STARTING & OPERATING THE VEHICLE ger. You could be injured or even killed. Secure CAUTION: Do not allow your engine to idle, at all loose objects in the cab before moving the low rpm’s (400–600 rpm), longer than ﬁve min- vehicle.
Page 83 PART 7: STARTING & OPERATING THE VEHICLE Operating the Clutch Operating the Clutch to 1 inch engages the clutch brake. If your vehicle is new, watch the free travel in your clutch carefully for the ﬁrst few “Riding” the Clutch hundred miles.
Page 84 Operating the Clutch PART 7: STARTING & OPERATING THE VEHICLE service department perform any adjustments necessary. out grinding. Applying the clutch brake when Do not adjust your clutch by adjusting the external linkage the vehicle is moving causes a braking effect without ﬁrst checking (and correcting if necessary) the on the entire vehicle.
Page 85 PART 7: STARTING & OPERATING THE VEHICLE Interaxle Differential 4. Now quickly press the pedal to disengage the clutch. In the LOCK position, continuous operation on a paved, Move the gear shift lever to the next gear speed posi- dry surface stresses the tandem axles, possibly causing tion.
Page 86 Dual Range (Two Speed) Axles PART 7: STARTING & OPERATING THE VEHICLE Dual Range (Two Speed) Axles WARNING! If you have this option, dual range axles provide two rear • Do not put the differential lock in the LOCK axle ratios for operating under heavy loads or off-highway position while the wheels are spinning freely as well as for over the road trucking.
Page 87 PART 7: STARTING & OPERATING THE VEHICLE Dual Range (Two Speed) Axles How to use your dual range axle: D. Then release the accelerator until the axle has shifted. E. You are now in the HIGH axle range on the high- WARNING! Never shift the axle when moving way.
Page 88 Automatic and Automated Transmissions PART 7: STARTING & OPERATING THE VEHICLE • When driving on a surface with good traction, keep the • Always UNLOCK the interaxle differential before shift- interaxle differential unlocked. You can drive with the ing the axle speed range. axle in LOW or HIGH range.
Page 89 PART 7: STARTING & OPERATING THE VEHICLE If Your Vehicle Must Be Towed If Your Vehicle Must Be Towed WARNING! Do not leave the cab without ap- plying the parking brake. The truck could roll Follow these directions to ensure your vehicle is not dam- and cause an injury accident.
Page 90 If Your Vehicle Must Be Towed PART 7: STARTING & OPERATING THE VEHICLE CAUTION: Water, dirt and other material can enter an open hub or axle. This can contam- inate the axle ﬂuid and cause possible dam- age to components. Ensure that the hubs are covered with plastic whenever a drive axle shaft is removed.
Page 91 PART 7: STARTING & OPERATING THE VEHICLE If Your Vehicle Must Be Towed air line that has been removed from a CAUTION: Failure to install the caging bolt driver-controlled main differential lock when towing vehicles with driver-control is ﬁrmly capped to prevent loss of air main differential lock can result in damage pressure from the recovery vehicle.
Page 92 Anti-Lock Braking System Operating Information PART 7: STARTING & OPERATING THE VEHICLE 1. Into the pinion cage, add 1 pint (.47 liter) of lubricant, WARNING! OR Into the inter-axle differential, add 2 pints (.94 liter) of lubricant. See the Index, under Lubricant Speciﬁca- •...
Page 93 PART 7: STARTING & OPERATING THE VEHICLE ABS Warning Lamps truck/tractor ABS lamp is located in the warning lamp clus- WARNING! Do not rely on an anti-lock brake ter (see "Warning Light Bar"). system that is functioning improperly. could lose control of the vehicle resulting in a severe accident and personal injury.
Page 94 ABS Warning Lamps PART 7: STARTING & OPERATING THE VEHICLE 1. If no trailer is connected, or if a non-ABS-equipped trailer is connected, the trailer ABS lamp will go off after one second. NOTE: ptc220 • A “properly connected” ABS-equipped trailer is –...
Page 95 PART 7: STARTING & OPERATING THE VEHICLE Bobtail Brake Proportioning System problem corrected before the vehicle is driven with The Wheel Spin Control warning lamp will illuminate when- that trailer attached. ever the ASR or ATC system detects drive wheel spin. The lamp will remain illuminated as long as wheel spin is de- Wheel Spin Control Warning Lamp tected and the ASR or ATC system is applying the drive...
Page 96 Overheated Brakes PART 7: STARTING & OPERATING THE VEHICLE Peterbilt tractors without anti-lock brake systems (ABS) are WARNING! typically equipped with a bobtail brake proportioning sys- tem. When a trailer is not connected, the drive axle brake • Do not operate the vehicle in the event of a application pressure will automatically be limited by the pro- malfunction in any air circuit.
Page 97 PART 7: STARTING & OPERATING THE VEHICLE Parking Brakes and Their Use you should immediately stop and check for cracked brake drums, cracked brake rotors or lining ﬁres. If neither exists, resume at slow speeds to help cool the brakes. Schedule an appointment with an authorized service technician at your earliest convenience.
Page 98 Parking Brakes and Their Use PART 7: STARTING & OPERATING THE VEHICLE heat build-up in the brake system, resulting WARNING! in a ﬁre. • Do not leave the cab without applying the parking brake. The truck could roll and cause NOTE: Today’s diesel electronic engines have sig- an injury accident.
Page 99 PART 7: STARTING & OPERATING THE VEHICLE Manually Releasing Spring Brakes Manually Releasing Spring Brakes • To release the full combination of brakes, push in BOTH yellow and red knobs. There may be an occasion when you need to tow the vehi- cle but the air system does not produce enough operating Trailer Air Supply Valve pressure to release the parking brakes.
Page 100 Manually Releasing Spring Brakes PART 7: STARTING & OPERATING THE VEHICLE 3. Slide out the release stud. NOTE: The primary purpose of the manual release feature is to permit the vehicle to be towed to a repair facility. To release spring brakes manually 1.
Page 101 PART 7: STARTING & OPERATING THE VEHICLE Retarders 5. Assemble the release stud washer and nut on the re- Do not over-torque the release stud assembly. (S-Cam lease stud. type maximum: 50 ft-lb, Wedge type maximum: 30 ft-lb.) The spring brake is now mechanically released. WARNING! Disassembling the spring brake chamber is dangerous and could cause serious injury.
Page 102 Before Stopping The Engine PART 7: STARTING & OPERATING THE VEHICLE Driving Bobtail or with an Unloaded Trailer WARNING! We recommend that you do not use your engine retarder • In an emergency, the retarder might not stop to slow down when you are bobtailing or pulling an empty you fast enough to prevent an accident.
Page 103 PART 7: STARTING & OPERATING THE VEHICLE Final Stop liners, turbocharger, and bearings. This way you can pre- Your vehicle will be easier to get going when you are ready, vent serious engine damage that may result from uneven and it will be safer for anyone who might be around it. cooling.
Page 104 Setting Ride Height PART 7: STARTING & OPERATING THE VEHICLE NOTE: Suitable wheel chocks are at a minimum an 18-inch (46 cm) long 4x4. 02939 Opening Drains 4. Secure the vehicle. Close all the windows and lock all the doors. 02938 Setting Ride Height Blocked Wheels...
Page 105 PART 7: STARTING & OPERATING THE VEHICLE Setting Ride Height it becomes necessary to reset the ride height, you may Proprietary Rear Air Ride Height [inches (mm)]* temporarily set it by following the next procedure. Proper Suspension ride height measurement and values are shown in the Low Air Leaf 6.50 (165) 8.50 (216)
Page 106 Setting Ride Height PART 7: STARTING & OPERATING THE VEHICLE 02941B 02941A Typical Height Control Valve (Rear View Looking Typical Height Control Valve (Top View) Forward) • At least one of the mounting holes in the height con- trol valve bracket will be slotted to permit rotating the valve.
Page 107 PART 7: STARTING & OPERATING THE VEHICLE Driving With Deﬂated Air Springs • For tandem axles, make the vertical measurement WARNING! at the centerline of the suspension (see illustration in "Setting Ride Height"). • The rear of a vehicle will drop about 3 •...
Page 108 Driving Tips And Techniques PART 7: STARTING & OPERATING THE VEHICLE vehicle, make sure the pressure does pump up WARNING! Your brakes could fail if you con- to over 100 psi for normal brake operation. If tinue driving with deﬂated air springs. Air es- the air pressure does not pump up to at least caping from the system will lower the air pres- 100 psi, don’t try to move the vehicle.
Page 109 PART 7: STARTING & OPERATING THE VEHICLE Engine Overspeed Coasting Descending a Grade WARNING! Do not coast with the transmission WARNING! Do not hold the brake pedal down in neutral or with the clutch pedal depressed—it too long or too often while going down a steep is a dangerous practice.
Page 110 Dual Steer Vehicle Operation PART 7: STARTING & OPERATING THE VEHICLE the service brake or shift to a higher gear to bring en- gine rpm within the optimum speed range. NOTE: Often these recommendations are sec- ondary to maintaining an adequate and safe speed •...
Page 111 PART 7: STARTING & OPERATING THE VEHICLE Dual Steer Vehicle Operation and a shift shock eliminator feature. Follow the procedures 4. Upon reaching the desired transmission range, re- below to operate these types of vehicles. lease the foot brake pedal and depress the accelerator pedal.
Page 112 Dual Steer Vehicle Operation PART 7: STARTING & OPERATING THE VEHICLE Operating from the Curbside (RH) Drive Station NOTE: WARNING! • A shift shock eliminator will not allow a shift from neutral to either a forward or reverse • Ensure that you are behind the curbside gear when the engine speed is over 900 steering wheel and fully ready to operate the rpm.
Page 113 PART 7: STARTING & OPERATING THE VEHICLE Dual Steer Vehicle Operation 2. Shift the transmission to neutral & pull out the parking • Do not use the work brake instead of the valve knob. (Note: Do not apply the work brake). service brake to stop the vehicle.
Page 114: Part 8: Maintenance And Service
Preventive Maintenance Schedule PART 8: MAINTENANCE AND SERVICE PART 8: MAINTENANCE AND SERVICE Preventive Maintenance Schedule cool down. Hot components can burn skin on contact. Your preventive maintenance program begins with the daily • Be alert and cautious around the engine at all checks you perform.
Page 115 PART 8: MAINTENANCE AND SERVICE Preventive Maintenance Schedule • When working underneath the vehicle with- PREVENTIVE MAINTENANCE (PM) INTERVALS out appropriate safety stands but with the wheels on the ground (not supported), make sure that (1) the vehicle is on hard level At the 15,000 30,000...
Page 116 Preventive Maintenance Schedule PART 8: MAINTENANCE AND SERVICE NOTE: NOTE: • Where questions or discrepancies develop be- • Engine lubricating oil change intervals aren’t tween these recommendations and component listed here. Refer to your engine’s operating supplier recommendations, consult the supplier manual for recommendations.
Page 117 PART 8: MAINTENANCE AND SERVICE Preventive Maintenance Schedule Recommended PM Interval SYSTEM COMPONENT MAINTENANCE TASK Frame Fifth Wheel Check the kingpin lock and plate for wear and function; lubricate (NLGI #2 grease). Frame Fasteners Check for tightness; tighten to the speciﬁed torque value as required (see "Frame Fastener Torque Speciﬁcations").
Page 118 Preventive Maintenance Schedule PART 8: MAINTENANCE AND SERVICE Recommended PM Interval SYSTEM COMPONENT MAINTENANCE TASK Front Axle Total Vehicle Alignment Check and adjust as required. (Dana) Kingpin bushings, thrust Check and adjust as required. bearings, & tie rod ball ends (ON HIGHWAY) Kingpin bushings, thrust Lubricate with approved grease.
Page 119 PART 8: MAINTENANCE AND SERVICE Preventive Maintenance Schedule Recommended PM Interval SYSTEM COMPONENT MAINTENANCE TASK Front Front Spring Inspect for cracked leaves, worn bushings, & excessive corrosion. Suspension Spring Pins & Shackles Inspect for worn parts and excessive joint clearance. Shim or replace as required.
Page 120 Preventive Maintenance Schedule PART 8: MAINTENANCE AND SERVICE Recommended PM Interval SYSTEM COMPONENT MAINTENANCE TASK Drive Axle Axle Housing Visually inspect for damage or leaks. (Dana) Check oil level. Check “cold.” Torque the drain plug. Drain the lubricant while warm. Flush each unit with clean ﬂushing oil.
Page 121 PART 8: MAINTENANCE AND SERVICE Preventive Maintenance Schedule Recommended PM Interval SYSTEM COMPONENT MAINTENANCE TASK Drive Axle Axle Housing Check the “cold” ﬁll level at the differential carrier plug for a pinion (Meritor) angle of less than 7 degrees, or at the axle bowl plug for a pinion angle of greater than 7 degrees.
Page 122 Preventive Maintenance Schedule PART 8: MAINTENANCE AND SERVICE Recommended PM Interval SYSTEM COMPONENT MAINTENANCE TASK Drive Axle Axle Housing Change the oil in the differential carrier and the hubs, and clean the (SISU) magnetic oil drain plugs. Check the wheel bearing hubs and adjust if necessary. Visually inspect for damage or leaks.
Page 123 PART 8: MAINTENANCE AND SERVICE Preventive Maintenance Schedule Recommended PM Interval SYSTEM COMPONENT MAINTENANCE TASK Drum Brakes Slack adjusters Check the push rod travel and check the control arm for cracks. (All) Adjust at reline (see "Brake Adjustment"). Lubricate (NLGI #2 grease). Brake camshaft bearing Lubricate (NLGI #2 grease).
Page 124 Preventive Maintenance Schedule PART 8: MAINTENANCE AND SERVICE Recommended PM Interval SYSTEM COMPONENT MAINTENANCE TASK Disc Brakes Brake pads Inspect; replace as required. (Bendix) Brake disc/rotor Inspect for visible cracks, heat checking, galling, or scoring of surface. Check thickness minimum of 1.46” (37 mm). Caliper sliding function Ensure caliper slides freely with no obstructions or excessive play (see manufacturer’s service literature for “Checking Running...
Page 125 PART 8: MAINTENANCE AND SERVICE Preventive Maintenance Schedule Recommended PM Interval SYSTEM COMPONENT MAINTENANCE TASK Hub, Drum, Hubs (non-LMS) Meritor Check the bearing endplay and adjust as required (see "Wheel & Hubcap Unitized Wheel End Bearing Adjustment"). Hubs (non-LMS) with Clean the components and check for excessive wear or damage.
Page 126 Preventive Maintenance Schedule PART 8: MAINTENANCE AND SERVICE Recommended PM Interval SYSTEM COMPONENT MAINTENANCE TASK Main & Main & auxiliary transmission Inspect for visible damage, signs of overheating, and leaks. auxiliary and transfer case Check the drain plugs for tightness. transmission Mounting Brackets and Check the condition of the fasteners and their torque.
Page 127 PART 8: MAINTENANCE AND SERVICE Preventive Maintenance Schedule Recommended PM Interval SYSTEM COMPONENT MAINTENANCE TASK Auxiliary Cotta Transfer Case TR2205 Inspect: Check oil level; inspect for leaks and any visible damage transmission Initial oil change: Drain oil while warm; ﬂush case with gear oilcompatible ﬂuid;...
Page 128 Preventive Maintenance Schedule PART 8: MAINTENANCE AND SERVICE Recommended PM Interval SYSTEM COMPONENT MAINTENANCE TASK Air Intake Air intake piping, mounting, Check the system for broken pipes, leaks, joint integrity, cleanliness, and charge air cooler and proper support (see "Air Intake System"). Cold starting aids Check for leaks and proper operation (see "Cold Temperature Starting Procedure").
Page 129 PART 8: MAINTENANCE AND SERVICE Preventive Maintenance Schedule Recommended PM Interval SYSTEM COMPONENT MAINTENANCE TASK Cooling Hoses Check the radiator and heater hoses for leaks. Extended Life Coolant (ELC) Check the freeze point (see "What To Check In An ELC-ﬁlled Cooling System").
Page 130 Preventive Maintenance Schedule PART 8: MAINTENANCE AND SERVICE Recommended PM Interval SYSTEM COMPONENT MAINTENANCE TASK Tires & Tires Check inﬂation pressure (see "Checking Inﬂation Pressure"). Wheels Inspect for cuts, irregular wear, missing lugs, sidewall damage, etc. Disc wheels Inspect the wheel disc for any cracks or surface irregularities. Inspect the rim edge and bead seat area for damage.
Page 131 PART 8: MAINTENANCE AND SERVICE Preventive Maintenance Schedule Recommended PM Interval SYSTEM COMPONENT MAINTENANCE TASK Power Reservoir Check the ﬂuid level (see "Steering Gear Lubrication"). Steering Reservoir (ON HIGHWAY) Drain, replace the ﬁlter, and reﬁll (see "Steering Gear Lubrication"). Reservoir (OFF HIGHWAY) Drain, replace the ﬁlter, and reﬁll (see"Steering Gear Lubrication").
Page 132 Preventive Maintenance Schedule PART 8: MAINTENANCE AND SERVICE Recommended PM Interval SYSTEM COMPONENT MAINTENANCE TASK Power Steering intermediate shaft Lubricate [EP NLGI #2 HD grease, +325° F to -10° F (+163° C to Steering U-joints (ON HIGHWAY) -23° C) range]. Steering intermediate shaft Lubricate [EP NLGI #2 HD grease, +325°...
Page 133 PART 8: MAINTENANCE AND SERVICE Preventive Maintenance Schedule Recommended PM Interval SYSTEM COMPONENT MAINTENANCE TASK Fuel & Tanks Fuel tanks Inspect tanks, brackets, hoses, and ﬁttings for correct location, tightness, abrasion damage, and leaks; repair or replace as required. Fuel tank breathers Check for proper function;...
Page 134 Preventive Maintenance Schedule PART 8: MAINTENANCE AND SERVICE Recommended PM Interval SYSTEM COMPONENT MAINTENANCE TASK Driveshafts Models SPL-90 slip member Lubricate. & U-joints Model SPL-100 slip member Lubricate. & U-joints Lubricate. Models SPL-140/140HD/ 170/170HD/250/250HD slip members & U-joints Models SPL-140XL/170XL/ Lubricate.
Page 135 PART 8: MAINTENANCE AND SERVICE Preventive Maintenance Schedule Recommended PM Interval SYSTEM COMPONENT MAINTENANCE TASK Battery Battery cables (ON Check the condition of the cables, cushion clamps, and routing. Boxes, Tool HIGHWAY & LINE HAUL) Replace a cushion clamp if the rubber has deteriorated. Repair or Boxes, and tighten terminals, and secure cables to prevent chaﬁng.
Page 136 Preventive Maintenance Schedule PART 8: MAINTENANCE AND SERVICE Recommended PM Interval SYSTEM COMPONENT MAINTENANCE TASK Electrical & Headlamps Check the aim and adjust as required. lights Warning lights in light bar Check at the ignition start position to verify bulbs function (see "Warning Light Bar").
Page 137 PART 8: MAINTENANCE AND SERVICE Preventive Maintenance Schedule Recommended PM Interval SYSTEM COMPONENT MAINTENANCE TASK Hood Lubricate the lower hood pivot (only if lube ﬁttings are present). structure, Hinges and latch Lubricate with silicone spray. doors & hoods Body & cab holddown bolts Check the condition and tightness.
Page 138 Preventive Maintenance Schedule PART 8: MAINTENANCE AND SERVICE Recommended PM Interval SYSTEM COMPONENT MAINTENANCE TASK Air compressor governor Replace air strainer. Air lines Check condition and routing to prevent chaﬁng. System Lubricate (see "Air System"). Inline ﬁlters Replace elements or clean with solvent. Air dryer Perform the checks listed on "Air System".
Page 139 PART 8: MAINTENANCE AND SERVICE Engine Lubricant Speciﬁcations ferent brands or types could damage vehicle components; therefore, drain (or remove) old lubricants from the unit before reﬁlling it. WARNING! Handle lubricants carefully. Vehicle lubricants (oil and grease) are poisonous and Engine can cause sickness.
Page 140 Master Lubrication Index PART 8: MAINTENANCE AND SERVICE tained. It is recommended that the vehicle’s WARNING! Exhaust fumes from the engine con- exhaust system and cab be inspected: tain carbon monoxide, a colorless and odorless • By a competent technician every 15,000 miles/ gas.
Page 141 PART 8: MAINTENANCE AND SERVICE Master Lubrication Index Lubricant Symbol Key Lubricant Symbol Key CC/CD Engine oil for severe Multipurpose gear lubricant requirements (MIL-L-2104B (MIL-L-2105B) /MIL-L- 45199B w/ 1.85% max. Wheel Bearing grease (Timken sulfated ash content) Spec. 0-610) Engine oil meeting API “Five engine test sequence”...
Page 142 Fuller Transmission Lubrication PART 8: MAINTENANCE AND SERVICE Component Lubrication Index Steering Drag Link Steering Knuckles Spring Pins Clutch Release Bearings Brake Shoe Anchor Pins Brake Cam Bearings Slack Adjusters 02942 Starter Bearings Fuller Transmission Lubrication Turbocharger Aneroid Water Pump Fuller transmissions are designed so that the internal parts Cab Tilt Hydraulic Reservoir Hydraulic Jack Oil, MIL-L-5056B...
Page 143 PART 8: MAINTENANCE AND SERVICE Fuller Transmission Lubrication Lubrication Change and Inspection Off-Highway Use Refer to the Eaton Fuller transmission manual for servicing information. Highway Use • Refer to the Eaton Fuller transmission manual for ser- vicing information. • Refer to the oil change vs. temperature chart that fol- lows for special oil change information.
Page 144 Spicer Transmission Lubrication PART 8: MAINTENANCE AND SERVICE Spicer Transmission Lubrication Recommended Lubricants It is extremely important to use the proper lubricants and Type Grade (SAE) Ambient Temperature maintain the correct oil levels in Spicer units. This will en- sure proper lubrication and operating temperatures in these Heavy Duty Engine Above 10°...
Page 145 PART 8: MAINTENANCE AND SERVICE Spicer Transmission Lubrication Oil Changes Type Grade (SAE) Ambient Temperature Heavy Duty Engine 30, 40, or 50 Above 0° F (-18° C) CAUTION: When adding oil, types and brands Oil MIL-L- 2104D Below 0° F (-18° C) of oil should not be intermixed because of pos- or MIL-L-46152B, API-SF or API-CD...
Page 146 Meritor Axle Lubrication PART 8: MAINTENANCE AND SERVICE build up on the splines and bearings. Overﬂow of oil can AVAILABLE ADVANCED LUBE AXLES also escape onto clutch or parking brakes. When adding RS-19-145 RS-26-180 RT-40-145P RT-46-160 oil, do not mix different types of oil. RS-21-145 RS-30-180 SQ-100A...
Page 147 PART 8: MAINTENANCE AND SERVICE Eaton/Dana Axle Lubrication • No initial drain is required on Eaton axles that are fac- Application Type Of Lubricant Mileage Interval tory ﬁlled with an Eaton-approved synthetic lubricant. City Delivery Synthetic 120,000 mi. (192,000 • Mineral-based lubes must be drained within the ﬁrst 5000 miles (8000 km) if converting to an Eaton-ap- Synthetic with Pump 240,000 mi.
Page 148 Wheel Bearing Lubrication PART 8: MAINTENANCE AND SERVICE in the hub; if none, add oil through the differential ﬁller hole. Type of On-High- Maximum On/Off Maximum Lubricant Change Highway Change (Note: Remember to replace vent plug or threaded ﬁller Mi.(km) Interval Severe Interval...
Page 149 PART 8: MAINTENANCE AND SERVICE Steering Gear Lubrication Steering Gear Lubrication cavitation, which reduces the lubrication between moving parts in the gear. This Inspection could result in worn components. • The mixture of two different ﬂuids, al- though harmless to individual internal NOTE: Before removing reservoir cover, wipe out- components, may initiate a chemical side of cover so that no dirt can fall into the reser-...
Page 150 Brake Adjustment PART 8: MAINTENANCE AND SERVICE You could be badly injured, and you could dam- Steering Gear Fluid * Inspect Replace [mi. [mi.(km)] (km)/ months] age the vehicle. Do only work you know you are fully capable of doing, and for which you have Every 15,000 Every 240,000 the right tools.
Page 151 PART 8: MAINTENANCE AND SERVICE Brake Adjustment C. Drum Radius CAUTION: The air brake system of this vehicle D. Brake Linings was conﬁgured for ONE of the following opera- tions: tractor or truck, and complies with the re- E. Brake Chambers spective portions of FMVSS 121.
Page 152 Brake Adjustment PART 8: MAINTENANCE AND SERVICE Air System Drum Brakes • Build up air pressure in the system to the governor Have brake drum linings and disc brake pads inspected by cut-out point. a qualiﬁed mechanic for wear at regular intervals according to the maintenance schedule.
Page 153 PART 8: MAINTENANCE AND SERVICE Tires effectiveness of the brakes. Contact the Ser- Chamber Type Stroke vice Department at your dealership if the stroke 36 (rear brakes) 11/2” - 21/4” (38 - 57 mm) exceeds the above speciﬁcations. A stroke 30 (rear brakes) 11/2”...
Page 154 Tires PART 8: MAINTENANCE AND SERVICE Checking Inﬂation Pressure up. Heat causes early tire damage such as ﬂex break, ra- dial cracks, and ply separation. Low pressure may affect Give your tires a visual test every day, and check inﬂation control of your vehicle, especially at the front wheels.
Page 155 PART 8: MAINTENANCE AND SERVICE Tires ﬂated tires. And they are more subject to punc- EFFECT OF LOAD PRESSURE ON TIRE LIFE tures, cracks, & other damage. They could fail Vehicle Normal 100% and cause you to lose control of your vehicle. Load Over Over...
Page 156 Tires PART 8: MAINTENANCE AND SERVICE vehicle. Do not install regrooved or rein- WARNING! forcement- repaired tires on your steering axles. • Mismatched tires are dangerous. Mixing tire types may lessen the road-holding ability of Replacing Tires both types of tires. You can lose control and be injured.
Page 157 PART 8: MAINTENANCE AND SERVICE Tires at your dealer. And of course you should have your tires balanced anytime you change a tire. Tire chains If you need tire chains, install them on both sides of each driving axle. CAUTION: Chains on the tires of only one tan- dem axle can damage the driveline U-joints and 02946A the interaxle differential.
Page 158 Tires PART 8: MAINTENANCE AND SERVICE Tire Load and Inﬂation Tables Tire Load Tire Load Limits At Various Cold Inﬂation Pressures (psi) Size Range 11R22.5 4530 4770 4990 5220 5510 5730 5950 6175 11R22.5 4530 4770 4990 5220 5510 5730 5950 6175 6320...
Page 159 PART 8: MAINTENANCE AND SERVICE Tires Tire Load Tire Load Limits At Various Cold Inﬂation Pressures (psi) Size Range 275 / 4430 4610 4795 5005 5210 5430 5660 5890 6135 70R22.5 295 / 4095 4300 4540 4690 4885 5070 5260 5440 5675 75R22.5...
Page 160 Tires PART 8: MAINTENANCE AND SERVICE Tire Size Load Tire Load Limits At Various Cold Inﬂation Pressures (psi) Range SINGLE RADIAL TIRES FOR VEHICLES IN HIGHWAY SERVICE 315/80R22.5 6175 6415 6670 6940 7190 7440 7610 7920 8270 8600 9000 6175 6415 6670 6940...
Page 161 PART 8: MAINTENANCE AND SERVICE Tires Tire Size Load Tire Load Limits At Various Cold Inﬂation Pressures (psi) Range 385/65R22.5 6380 6720 6940 7350 7650 8050 8230 8510 8820 9050 9370 425/65R22.5 7590 7990 8270 8740 9100 9370 9790 10100 10500 10700 11400...
Page 162 Wheels And Rims PART 8: MAINTENANCE AND SERVICE Wheels And Rims 1.44 in. standout. Right hand and left hand threads are required. Inner and outer cap nuts center the wheels by seating against wheel ball seats. Wheels • Pilot mount wheels have stud holes that are reamed straight through (no ball seats).
Page 163 PART 8: MAINTENANCE AND SERVICE Wheels And Rims The person best equipped to do this is your authorized WARNING! Mismatched wheel components are dealer’s service mechanic. dangerous. Equipment that does not exactly match original speciﬁcations or that is mis- Disc Wheels matched could cause your wheels to break To check the torque on disc wheels, follow the crisscross and separate from the vehicle.
Page 164 Do not reinﬂate a tire that has been run ﬂat or is seriously low on air without ﬁrst remov- ing the tire from the rim and inspecting for WARNING! damage. • Use only components marketed by PACCAR • Follow OSHA regulations section Parts.
Page 165 PART 8: MAINTENANCE AND SERVICE Wheels And Rims • Do not exceed the speed rating of tires. Ex- CAP NUT TORQUE SPECIFICATIONS (R12/01) ceeding the speed rating may result in sud- WHEEL AND STUD SIZE TORQUES FOR INNER & den tire failure and loss of vehicle control. NUT CONFIG- OUTER CAP NUTS URATION...
Page 166 Vehicle Loading PART 8: MAINTENANCE AND SERVICE Vehicle Loading WARNING! • The components of your vehicle are de- signed to provide satisfactory service if the vehicle is not loaded in excess of either the 02947 gross vehicle weight rating (GVWR) or the maximum front and rear gross axle weight ratings (GAWRs).
Page 167 PART 8: MAINTENANCE AND SERVICE Air System Load Distribution: Be sure any load you carry is dis- • Never exceed recommended air pressure tributed so that no axle has to support more than its load and always wear safety glasses when work- limit.
Page 168 Air Dryer PART 8: MAINTENANCE AND SERVICE then goes to the reservoirs to be stored until needed. • Operate air devices to circulate lubricants within the When you operate your air brakes, the stored compressed unit. air ﬂows into the chambers where it is used to apply your Periodically truck and trailer brakes.
Page 169 PART 8: MAINTENANCE AND SERVICE Clutch Adjustment Any deviation from the Bendix AD-IS type air dryer would the compressor to load/unload in a normal fashion or require changes to the vehicle air system. Some vehicles it may be due to excessive leaks in the air system. use a dual air system consisting of a wet tank, forward dry •...
Page 170 Engine Cooling System PART 8: MAINTENANCE AND SERVICE Engine Cooling System can damage the engine. Engine damage can include but is not limited to: Your engine’s cooling system is standard with Extended • Freezing Life Coolant (ELC). ELC consists of a mixture of ethylene glycol, water, and organic acid technology chemical in- •...
Page 171 PART 8: MAINTENANCE AND SERVICE Engine Cooling System Desired 100% ELC/ Water ratio: Freeze point °F (-4) (-7) (-9) (-12) (-15) (-21) (-24) (-31) (-37) (-46) (-54) (-59) (-64) (-57) (-48) (-42) (-34) (-21) (°C) What To Check In An ELC-ﬁlled Cooling System ELC Condition (Contamination and Inhibitor Concentration) ELC Concentration...
Page 172 Engine Cooling System PART 8: MAINTENANCE AND SERVICE ELC Extender and steam by covering the cap with a large, thick rag. Do not try to remove it until the surge Add ELC extender if necessary at the maintenance interval tank cools down if you see any steam or coolant under "PART 8: MAINTENANCE AND SERVICE".
Page 173 PART 8: MAINTENANCE AND SERVICE Engine Cooling System Reﬁlling Your Radiator 1. Be sure the radiator and engine block drains are closed. 2. Move the heater control to maximum heat position. 3. Remove the surge tank pressure cap 4. Through the surge tank, ﬁll the system with premixed coolant.
Page 174 Battery Care PART 8: MAINTENANCE AND SERVICE Electrical • Vibration: Loose battery hold-downs may cause bat- tery plate failure. • Short Circuits: These discharge a battery by draining CAUTION: Do not modify or improperly repair electricity. the vehicle’s electrical system or power dis- •...
Page 175 PART 8: MAINTENANCE AND SERVICE Battery Care at least a half hour to measure solution density (spe- WARNING! Always make sure the battery ciﬁc gravity). The speciﬁc gravity should be between charger is OFF before connecting or discon- 1.258–1.265 or the electrolyte level within “MIN” and necting the cable clamps.
Page 176 Battery Care PART 8: MAINTENANCE AND SERVICE • Keep the battery clean and dry. Slow Battery Charging • Look for any signs of damage. NOTE: Follow the instructions that come with your • Battery acid that may spill during charging should be washed off with a solution of warm water and baking battery charger.
Page 177 PART 8: MAINTENANCE AND SERVICE Battery Care to do this, and must jump-start your vehicle, then ensure Remove metal jewelry; avoid leaning over that you follow the precautions and instructions below. a battery. If metal jewelry or other metal comes in contact with electrical circuits, a short circuit may occur causing you to be WARNING! Batteries contain acid that can burn injured—...
Page 178 Battery Care PART 8: MAINTENANCE AND SERVICE damage to the vehicle, heed all warnings 2. Set the parking brakes. Place the transmissions of and instructions of the jumper cable man- both vehicles in Neutral. Do not let the vehicles touch ufacturer.
Page 179 PART 8: MAINTENANCE AND SERVICE Speciﬁcation 5. Attach the remaining jumper cable FIRST to the neg- Whenever you have to install a battery or remove one, fol- ative battery terminal (black “-” or “N”) of the good bat- low these guidelines for the safety of yourself and the bat- tery, and then to the chassis or ground of the vehicle tery.
Page 180 Fuel Filters PART 8: MAINTENANCE AND SERVICE • When installing spin-on (throwaway) ﬁlters, hand WARNING! A mixture of gasoline or alcohol with tighten them only to 1/2 to 2/3 turn after gasket con- diesel fuel in the presence of an ignition source tact.
Page 181 PART 8: MAINTENANCE AND SERVICE Guidelines For Checking A Steering System Steering If these checks do not reveal the problem, or if you correct them and still have a steering problem, take your vehicle to Guidelines For Checking A Steering an authorized dealer for evaluation.
Page 182 Frame Fastener Torque Speciﬁcations PART 8: MAINTENANCE AND SERVICE regularly. Be sure someone with the proper training and ing in an injury accident. Improperly tight- the right tools checks and tightens the U-bolts on your Pe- ened (loose) suspension U-bolts can lead to terbilt.
Page 183 PART 8: MAINTENANCE AND SERVICE Standard Capscrew Torque Speciﬁcations Standard Capscrew Torque Speciﬁcations SAE Grade Number SAE Grade Capscrew Torque Torque Number Body Size Lb. ft. N.m. Lb. ft. N.m. (inch- Capscrew Torque Torque esthread) Body Size Lb. ft. N.m. Lb.
Page 184 Accessory Drive Belts PART 8: MAINTENANCE AND SERVICE • Always torque fasteners from the nut end. 1. Route the new belt around the pulleys, and then rotate the automatic tensioner so that the idler pulley swings For standard capscrews toward the belt routing. Figure 1 shows an example of the rotation direction to release the tensioner.
Page 185 PART 8: MAINTENANCE AND SERVICE Air Cleaners Fan Clutch / Fan the fan turning off. If the fan clutch does not disengage, have the problem corrected at your dealership. WARNING! Engine fans engage suddenly with- Air Intake System out warning and can badly hurt you. Stay away from the fan when the engine is running.
Page 186 Anti-lock Braking System (ABS) PART 8: MAINTENANCE AND SERVICE Service the air cleaner ﬁlter elements as speciﬁed in "PART • Lubricating System: Check the oil lines, housing, and 8: MAINTENANCE AND SERVICE". If your vehicle is connections. Look for leaks, damage, or deterioration. equipped with an optional air inlet restriction indicator, ser- Leaks could mean you have damaged oil lines or oil vice the ﬁlter elements when the air inlet restriction indicator...
Page 187 PART 8: MAINTENANCE AND SERVICE Anti-lock Braking System (ABS) • Before welding anywhere on the vehicle, detach the the air valves, reducing application pressure as needed to ABS ECU connector and all other electronic control prevent the wheels from locking up. If this overriding cor- units.
Page 188 Heater PART 8: MAINTENANCE AND SERVICE controller for that axle to go into the fail-safe mode, and the • whenever the exhaust system, underbody, or warning light will give a shutdown signal. In this case, the cab is damaged anti-lock system can be turned back on, and the warning •...
Page 189 PART 8: MAINTENANCE AND SERVICE Air Conditioner operating properly, the heater core may be clogged. WARNING! Small particles blown by com- Clean the heater core if necessary. If the condition per- pressed air could injure your eyes. Wear eye sists, take the vehicle to a Peterbilt dealer for proper protection any time you blow compressed heater service or repair.
Page 190 Painted Surfaces PART 8: MAINTENANCE AND SERVICE Appearance Special Precautions Painted Surfaces WARNING! Excessive heat may cause your air conditioning system to explode. Never weld, solder, steam clean, or use a blow torch near CAUTION: Do not aim the water jet directly at any part of the air conditioning system.
Page 191 PART 8: MAINTENANCE AND SERVICE Interior cure, wait about ninety days after the date of manufacture 1. In a plastic pail mix 4 tsp of alum (a powder found before waxing. Don’t wax in the hot sun. Don’t friction burn in grocery stores or drugstores), with 32 oz.
Page 192 Interior PART 8: MAINTENANCE AND SERVICE General Cleaning Guidelines – Gasoline – Naphtha – Acetone WARNING! – Turpentine • Cleaning agents may contain hazardous – Benzene agents. Thoroughly read, understand and – Carbon Tetrachloride follow the manufacturer’s instructions when – Lacquer Thinner using a cleaning agent to avoid possible –...
Page 193 PART 8: MAINTENANCE AND SERVICE Chassis • Use a clean, lint-free cloth. Vinyl and Fabric Upholstery • Clean with the cloth dampened with a mild soap and water solution. CAUTION: To avoid possible damage to the upholstery, do not use chemical solvents or •...
Page 194 Tampering with Noise Control System Prohibited PART 8: MAINTENANCE AND SERVICE Storing and Reintroducing Vehicles Into Noise Control System Service Noise Emission Warranty To help maintain a vehicle in storage as well as ease its Peterbilt Motors Company warrants to the ﬁrst person who reintroduction into service, perform the following actions at purchases this vehicle for purposes other than resale and least monthly:...
Page 195 PART 8: MAINTENANCE AND SERVICE Tampering with Noise Control System Prohibited (1) The removal or rendering inoperative by any person Removing the fan shroud. other than for maintenance, repair, or replacement, of any • Air Intake System device or element of design incorporated into any new ve- hicle for the purpose of noise control prior to its sale or de- Removing or rendering inoperative the air cleaner / livery to the ultimate purchaser or while it is in use, or (2)
Page 196 Inspection & Maintenance Instructions for Noise Control System PART 8: MAINTENANCE AND SERVICE Inspection & Maintenance Instructions The vehicle may have emission control components to meet 2007 EPA requirements. Refer to the engine man- for Noise Control System ufacturer’s service manual for the maintenance of these components.
Page 197 PART 8: MAINTENANCE AND SERVICE Inspection & Maintenance Instructions for Noise Control System Diesel Particulate Filter (DPF) Check all fasteners for tightness. Check for stress cracks in the shroud. Make sure the shroud is adjusted so that it Use only an exact replacement DPF in exhaust systems. does not touch the fan blades.
Page 198 Air Intake System PART 8: MAINTENANCE AND SERVICE Air Intake System Shields and Skirts Check shields and skirts for cracks at mounting and stress Do all checks and maintenance chores listed in this man- points. Check fender shields for tire marks, worn spots, ual under Engine Air Intake System and Air Cleaner (See or damage from objects thrown from tire treads.
Page 199 PART 8: MAINTENANCE AND SERVICE Air Intake System NOISE CONTROL SYSTEM MAINTENANCE LOG COMPONENT RECOM- DATE REPAIR WORK PERFORMED DATE REPAIR WORK PERFORMED MENDED & R.O. FACILITY & & R.O. FACILITY & NUM- LOCATION NUM- LOCATION INTERVAL (MILES) EXHAUST 25,000 SYSTEM ROUTING INTEGRITY MUFFLER INTERNAL...
Page 200: Part 9: Vehicle Identification Numbers
PART 9: VEHICLE IDENTIFICATION NUMBERS PART 9: VEHICLE IDENTIFICATION NUMBERS Each vehicle completed by Peterbilt Motors Company VIN Location uses a Vehicle Identiﬁcation Number (VIN) that contains The VIN is marked on the Incomplete Vehicle Certiﬁcation the model year designation of your Peterbilt. The prac- Label (on trucks) or on the Tire, Rim, and Weight Rating tice is in compliance with 49 CFR 565, Code of Federal Data Label (on tractors).
Page 201 PART 9: VEHICLE IDENTIFICATION NUMBERS Incomplete Vehicle Certiﬁcation Label Incomplete Vehicle Certiﬁcation Label The Incomplete Vehicle Certiﬁcation Label (for trucks) is located on the driver’s door frame. It contains the following information: • DATE OF MANUFACTURE • VIN — Vehicle Identiﬁcation Number •...
Page 202 Component Identiﬁcation PART 9: VEHICLE IDENTIFICATION NUMBERS Federal Safety Standard Certiﬁcation Label Transmission: For both manual and automatic transmis- sions, the identiﬁcation number is stamped on a tag afﬁxed The NHTSA regulations require a label certifying compli- to the right rear side of the transmission case. ance with Federal Safety Standard, for United States and Steer Axle: The front axle serial number is stamped on a U.S.
Page 203: Part 10: Consumer Information
PART 10: CONSUMER INFORMATION NHTSA Consumer Information PART 10: CONSUMER INFORMATION How To Order Parts owner’s manual of motor vehicles manufactured after September 1, 1990: When you need replacement parts for your Peterbilt vehi- If you believe that your vehicle has a defect which could cles, contact your nearest authorized Peterbilt dealer, who cause a crash or could cause injury or death, you should may be located from the “Peterbilt Authorized U.S.
Page 204 California Vehicle Code, Section 9951 - Disclosure of Recording Device PART 10: CONSUMER INFORMATION Canadian Consumer Information reproductive harm. This warning requirement is mandated by California law (Proposition 65) Canadian customers who wish to report a safety-related and does not result from any change in the defect to Transport Canada, Defect Investigations and Re- manner in which Peterbilt trucks are manufac- calls, may telephone the toll free hotline 1-800-333- 0510,...
Page 205 PART 10: CONSUMER INFORMATION California Vehicle Code, Section 9951 - Disclosure of Recording Device For additional information on your rights associated with the use of this data, contact http://www.dmv.ca.gov/pubs/vctop/d03_6/vc9951.htm the California Department of Motor Vehicles - Licensing Operations Division R(08/07) Y53-6015 –...
Page 206: Part 11: Subject Index
PART 11: SUBJECT INDEX PART 11: SUBJECT INDEX Numerics/Symbols 49 CFR 565, Code of Federal Regulations ....196 Cab Tilting ..............10 Cap Nut Torque Speciﬁcations ........161 Cleaning the vehicle .............188 Consumer Information ..........199 Alarms ................17 Controls Anti-lock brakes ..............88 Air Horn...............23 antifreeze..............169 Air Suspension Deﬂate Switch (Dump Valve) .....29 Appearance ..............186...
Page 207 PART 11: SUBJECT INDEX Panel Light Knob............26 battery charging ............170 Parking Brake Valve and Trailer Air Supply Valve ..35 jumper cables............171 Power Mirror Switch............31 Electrolyte..............171 Stop Button ..............25 Engine Trailer Brake Hand Valve ..........22 overspeed ..............105 Two-Speed Rear Axle (Range) Switch .......34 Engine Warmup ..............74 Windshield Wipers and Washers ........28 Environmental Protection ..........200...
Page 208 PART 11: SUBJECT INDEX Transmission Temperature Gauge......52 Universal Joint ............145 Voltmeter..............54 Wheel Bearing ............144 Warning Light Bar ............55 Lubrication Index ............136 Water Temperature Gauge .........49 Maintenance Schedule ..........110 Heater and air conditioner ..........36 Mirrors ................56 Jumper cables ..............171 Noise Control System...........190 Keys..................7 Parking Brake Keys and Locks ..............24...
Page 209 PART 11: SUBJECT INDEX Tether Belts ..............63 Overheated Brakes .............92 Retarders ..............97 Setting Ride Height ...........100 Shifting The Transmission ..........78 Safe vehicle operation ............69 Stopping The Engine ..........98 Safety stands..............110 Trailer Air Supply Valve..........95 Seat ................57 Warning Alarms ............17 Servicing Speciﬁc Systems ..........146 Air Intake System............181 Air System............148, 163...
Page 210: Other Publications
PART 11: SUBJECT INDEX Windshield Washer Reservoir ........29 – 206 – Y53-6015 R(08/07)
Page 211 Other Publications Order either of the two publications shown below through your Peterbilt dealer. There is a charge for each. Allow four weeks for delivery. 02956B 02956A Owner’s Custom Parts Book Custom Maintenance Manual This book is a complete, unillustrated, computer-gen- This manual contains both proprietary and supplier ser- erated list of the parts used to custom-build your Peter- vice information speciﬁcally compiled for the compo-...
Page 212 Peterbilt Motors Company P.O. Box 90208 Denton, Texas 76202...

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