Peterbilt Medium Duty Owner's Manual

Quick Table of Contents

•Introduction. . . . . . . . . . . . . . . . . . 3

•Cab And Frame Access . . . . . . . . . . . 9

•Getting To Your Engine . . . . . . . . . . . . . . 13

•Controls And Displays . . . . . . . . . . . . . . . . . . 16

•Seat And Restraint Systems . . . . . . . . . . . . . . . . 74

•Driver’s Checklists . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

•Starting And Operating The Vehicle . . . . . . . . . . . . . . . . . 89

•Maintenance and Service . . . . . . . . . . . . . . . . . . . . . . . . . . 150

•Consumer Information and Vehicle Identification. . . . . . . . . . . . . 263

•Subject Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264

This manual illustrates and describes the operation of features or equipment which may be either standard or optional on this vehicle. This manual may also include a description of features and equipmen t which a re no l onge r available or were not ordered on this vehicle. Please disregard any illustrations or descriptions relating to featuures or equipment which are not on this vehicle.

Peterbilt reserves the right to discontinue, change specifications, or change the design of its vehicles at any time without notice and without incurring any obligation.

The information contained in this manual is proprietary to Peterb ilt. Reproductio n, in whole or in part, by any means is strictly p rohibited without prior written authorization from PACCAR Inc.

INTRODUCTION

Introduction

How to Use This Manual

This Operator's Manual contains useful inf ormation f or the safe and efficient operation of your Medium Duty vehicle. It also provides information on maintaining your vehicle in the best condition, with an outline for performing safety checks and basic preventive maintenance inspections.

We have tried to present the information you'll need to learn about your vehicle's functions, controls, and operation as clearly as possible. We hope y ou'll find this man ual easy to use. There will be times when you need to take this manual out of your Peterbilt vehicle. When you do, please be sure to return it to the cab when you are finished using it. That way it will be there when you need it the next time or when you pass the vehicle on to the next user.

Your Medium Duty may not hav e all the f eatures or options mentioned in this manual. Ther efor e, y ou should pa y ca reful attention to the instructions that pertain to just your

vehicle. In additio n, if yo ur veh icle is equipped with special equipment or options not discussed in this manual, consult your dealer or the manufacturer of the equipment.

All information contained in this manual is based on the latest production information available at the time of publication. Peterbilt Motors Company reserves the right to make changes at any time without notice.

Safety Signals

A number of alerting messages are in this manual. Please read and follow them. They are there for your protection and information. These messages can help you avoid injury to yourself and your passengers, and can help prevent costly damage to the vehicle.

Key symbols and “signal words” are used to indicate what kind of message is going to follow. Pay special attention to instructions prefaced by symbols and the signal words “WARNING”, “CAUTION”, and “NOTE”. Please do not ignore any of these alerts.

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INTRODUCTION

WARNING

When you see this word, the message that follows is especially vital. It signals a potentially hazardous situation which, if not avoided, could result in an injury or death. This message will tell you what the hazard is, what can happen if you don't heed the warning, and how to avoid it.

WARNING! Never carry additional fuel containers in the vehicle. Such containers, full or empty, may leak, explode or cause a fire in the event of a collision.

CAUTION

Signals a potentially hazardous situation which, if not avoided, could result in property or vehicle damage.

CAUTION: Continuing to operate your vehicle with insufficient oil pressure will cause serious engine damage.

NOTE

Provides general information: for example, the note may suggest how to operate the vehicle more efficiently.

Example:

NOTE: Pumping the accelerator will not assist in starting the engine.

Example:

Please take the time to read these me ssages when

you see them, and remember:

WARNING!

Something that could seriously injure or kill you or others.

CAUTION:

Something that could cause proper ty or vehicle damage.

Example:

NOTE:

Useful information.

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INTRODUCTION

Vehicle Safety

Make sure your Medium Duty is in top working condition before heading out on the road—it is the responsible driver's duty to do so. Inspect the vehicle according to the “Driver's Check List”, page 83

WARNING! Do not drink and drive. Your reflexes, perceptions, and judgment can be affected by even a small amount of alcohol. You could have a serious—or even fatal accident—if you drive after drinking. Please do not drink and drive or ride with a d river who has been drinking.

Please remember, this manual is not a training manual. It cannot tell you everything you need to know about driving your Peterbilt vehicle. For that you need a good training program or truck driving school. If you have not been trained, get the proper training before you drive. Only qualified drivers should drive this vehicle.

Every new Peterbilt vehicle is designed to conform to all Federal Motor Vehicle Safety Standards applicable at the time of manufacture. Howev er, even with these safety features, continued safe and reliable operation depends greatly upon regular vehicle maintenance. The vehicle

must be operated within the range of its mechanical capabilities and the limits of its load ratings. (See the tire and rim weight ratings information on the Vehicle Certification Label on the driver's door frame.) This vehicle is not approved for off-road operation.

How to Find What You Want

There are several tools built into this manual to help you find what you need quickly and easily. First is the Contents. Located at the front of the man ual, this lists the main subjects covered and gives page numbers where you can find these subjects. Use the Contents to find information on a large subject like “Operating the Transmission.”

Cross-references also help you get the information you need. If some other part of the manual contains further information on the subject you are r eading abo ut, a crossreference will ref er you to anot her page, f or e xample: “See page 75

Finally, you will find a helpful Index at the back of the manual, listing subjects alphabetically. For example, if you want information on br akes , just look under “Brak es” in t he Index. You will find the pages where brakes or related topics are discussed.

, for more information on Safety Restraint Belts.”

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INTRODUCTION

A Special Word About Repairs

This is not a repair or workshop manual. Yo ur Peterbilt Dealer's Service Center is the best place to have your Medium Duty repaired. You can find Peterbilt dealers all over the country with the equipment and trained personnel to quickly get you back on the road—and to keep you there.

Your Medium Duty is a complex machine. Anyone attempting repairs on it needs good mechanical training, proper specifications, and proper tools. If you are sure you meet these qualifications, then you can probably perform some repairs yourself. But if you are not an experienced mechanic, anddo not have the right equipment or train ing, please leave the repairs to an authorized service facility. They are the ones equipped to do the job safely and correctly.

WARNING! Do not attempt repair w ork without sufficient training, service manuals, and the proper tools. You could be killed or injured, or you could make your vehicle unsafe. Do only those tasks you are fully qualified to do.

Shop Manuals

If you do decide to do complex repair work, you will need the Medium Duty Maintenance Manual. It contains ser- vice procedures, parts information, and suppor ting material on major components in your vehicle, such as Suspensions, Drivelines, Axles , and the Hea ter/Air Conditioner.

Listed below are manuals available from your Peterbilt Dealer. (T here is a charge f or these manu als.) Please provide the Chassis Serial Number when ordering, to be sure you get the correct manuals for your vehicle.

Medium Duty Maintenance Manual. This manual

includes detailed service procedures specifically compiled for the components on your vehicle, including: electrical information, maintenance, disassembly, assembly, repairs, overhaul, and troubleshooting procedures. The information contained in this manual is the same used by Peterbilt dealers.

Medium Duty Master Parts Catalog. Contains illustrated

parts lists with drawings and exploded views for Medium Duty series vehicles.

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INTRODUCTION

Medium Duty Body Builders' Manual. Contains general

guidelines on mechanical and electrical modifications required by your dealer to add bodies, accessories, and special equipment to straight-truck configurations.

WARNING! Modifying y our vehic le can ma ke it unsafe. Some modifications can affect your vehicle's electrical system, stability, or other important functions. Before modifying your vehicle, check with y our de aler to make sure it can be done safely. Improper modifications can cause death or personal injury.

Preventive Maintenance Section

The Preven tive Maintenance section (pages 116 – 226) in this manual contains general service information for the operator, such as: lubrication points, making adjustments, and other helpful service information. This is summar y information only, used for general maintenance of major components installed on your Medium Duty. For detailed service information see your Medium Duty Maintenance Manual.

When it comes time for major service work, your Peterbilt Dealer or Authorized Service Center will need vehicle and component information. To help you gather this vehicle

information, see “Consumer Inf ormation and Vehicle Identification” on page 226. This section explains vehicle identification and provides space to record model and serial numbers of major components installed on your vehicle.

Additional Sources of Information

Installed Equipment — Operator's Manuals

Major component suppliers to Peterbilt also supply operation manuals specific to their produ cts. Additio nal manuals and other pieces of literature are included in the glove compartment literature set. Look for information on products such as the engine, driv er’s seat, transmission, axles , tires, and radio. If you are missing these pieces of literature, ask your Peterbilt Dealer for copies.

Other Sources

Another place to learn more about trucking is from local truck driving schools. Contact one near y ou to lea rn about courses they offer.

Federal and state agencies such as the department of licensing also have information you can ask for. The National Highway Traffic Safety Administration and the Federal Motor Carrier Safety Administration can give you

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information about regulations governing transpor tation across state lines. Regulations that differ from state to state can be found at various agencies in state governments.

INTRODUCTION

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CAB AND FRAME ACCESS

Cab and Frame Access

Introduction

The following section covers procedures for accessing the cab and the frame.

Door Lock and Keys

Doors can be locked from the inside by using the lock button. Close the door then push the button down to lock. Doors automatically unlock when you open them from inside, and can be locked from the outside with the key only.

As standard equipment, two keys are provided for the doors and ignition. When necessary, additional locks and keys are provided for storage compartments.

WARNING! To he lp lessen the chance and /or severity of death or personal injury in case of an accident, always lock the doors while driving. Along with using the lap shoulder belts properly, locking the doors helps prevent doors from inadvertently opening and occupants from being ejected from the vehicle.

To lock or unlock the doors from outside the cab:

• Insert the key in the door lock.

• Tur n the key toward the rear door frame to lock; forward to unlock.

Cab and Frame Access

The following cab and frame entry/exit procedure recommendations were prepared with personal safety foremost in mind.

WARNING! Do not jump out of the cab or get into the cab without proper caution. You could slip or fall, possibly suffering death or serious injury. You could slip and fall if the steps are wet or icy, or if you step in fuel, oil, grease, snow or mud.

To help avoid personal injury due to a slip or fall:

•ALWAYS FACE TORWARDS THE CAB AND USE THREE

POINTS FOOT WHENEVER

OF CONTACT (TWO FEET, ONE HAND OR ONE

, TWO HANDS) TO GRIP THE STEPS OR HANDHOLDS

POSSIBLE AND LOOK WHERE YOU ARE GOING.

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02611

• Use even more care when steps and handholds (or footwear) are wet, coated with ice, snow, mud, oil, fuel, or grease.

WARNING! Always reinstall the battery compartment cover (step) before entering the cab. Without the battery cover you could slip and fall, resulting in death or possible injury to yourself.

CAB AND FRAME ACCESS

WARNING! Do not step on vehicle components without antiskid surface s or use components not designed for entry-and-exit use. You could fall and kill or injure yourself if you step onto a slippery surface. For example:

• Do not step onto the surface of a fuel tank. A fuel tank is not a step. The tank surface can get very slippery, and you might not be able to prevent a fall.

• Use only the steps and handholds pro vided, not chain hooks, quarter fenders, etc.

• Do not climb onto and off the deck plate— use steps and grab handle pro vided. I f there is no deck plate, or if proper steps and grab handles are not provided, do not climb onto the area behind the cab.

• Do not climb onto or stand on the frame rails. The frame rails are very slippery and could cause you to fall, result ing in death o r personal injury.

• Keep steps clean. Clean any fuel, oil, debris, ice, snow or grease off the steps before entering the cab or accessing the deck plate.

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CAB AND FRAME ACCESS

NOTE: Any alteration (adding bulkheads, headache racks, tool boxes, etc.) behind the cab that affects the utilization of grab handles, dec k plates, or frame access steps installed by Peterbilt should comply with Federal Motor Carrier Safety Regulation 399.

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CAB AND FRAME ACCESS

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ENGINE ACCESS HOOD HOLD DOWNS AND TILT

Engine Access

Hood Hold Downs and Tilt

The hood is locked in its closed position by an external latch on each side. These latches serve as hold downs and keep the hood from opening unexpectedly.

CAUTION: If you do not latch the hood securely, it could open during operation and cause vehicle damage. Be sure to latch the hood securely before moving the vehicle.

WARNING! A pivoting hood could hurt someone or be damaged itself. Before opening or closing the hood, be sure there are no people or objects in the way. Failure to stand in a position of safety can cause death or pers onal injury.

To open the hood, unlatch both of the hood hold downs.

WARNING! Before opening the hood, make sure your footing is secure a nd stable. Failure to do so may cause the hood to close uncontrollably whic h ma y result in death or per sonal injury.

UNLATCHED

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HOOD HOLD DOWNS AND TILT ENGINE ACCESS

Put one hand on the hood handle (just above the Peterbilt emblem), one foot on the bumper, and one foot on the ground. Tilt the hood fo rward until you hear it “lock”.

WARNING! Always make sure the lock is engaged to keep your hood open while working in the engine compartmen t. Failure to do so may allow the hood to fall unexpectedly resulting in death or personal injury.

To close the hood, you must first release the hood safety lock.

WARNING! Before closing the hood, be sure the area is clear—no people or objects are in the way. Failure to do so may result in death or personal injury

CAUTION: To avoid hood damage when closing the hood, firmly pull the cable to release the hold-open lock.

Locate the hood lock release cable as shown in the illustration below. The cable is located on the Drivers side bumper, visable when the hood is in the open position.

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ENGINE ACCESS HOOD HOLD DOWNS AND TILT

After lowering the hood, latch the hood closed with the hold downs.

WARNING! If the hood is not latched securely, it could open during operation and cause an accident resulting in death or personal injury. Be sure the hood is latched securely before moving the vehicle.

LATCHED

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INSTRUMENTS AND CONTROLS CONTROLS AND DISPLAYS

Controls and Displays

Instruments and Controls

Introduction

Your Medium Duty vehicle’s dashboard is shown on the opposite page.

The dash includes standard gauges and switches. Your vehicle may come with all or some of the switches and gauges discussed here. The location of switches on the dash will vary depending on the options ordered and how your vehicle was configured.

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CONTROLS AND DISPLAYS INSTRUMENTS AND CONTROLS

LEFT SIDE

1 Engine Oil Pressure

2 DEF Gauge 3 Fuel Level

4 Tachometer 5 Driver Information Display 6 Speedometer 7 Primary Air Pressure 8 Secondary Air Pressure 9 Water Temperature 10 Headllights 11 Load Lights 12 Hazard Switch 13 Optional 14 Optional 15 Panel Lights 16 Optional 17 Cruise Control On/Off 18 Cruise Control Select 19 Menu Control Switch 20 Ignition

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INSTRUMENTS AND CONTROLS CONTROLS AND DISPLAYS

RIGHT SIDE

1 Radio 2 Navigation 3 HVAC Controls 4 Emission Controls 5 Engine Brake (on/off) 6 Engine Brake (Select)

12 13 14

7 Optional Switch* 8 Optional Switch* 9 Optional Switch* 10 Park Brake Controls 11 Transmission Display (Automatic) 12 Optional Switch 13 Optional Switch 14 Optional Switch 15 Optional USB Port 16 Optional Switch

*These switches are not shown. These switch locations are available only if the automatic transmission selector is not mounted (item 11).

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CONTROLS AND DISPLAYS INSTRUMENTS AND CONTROLS

Menu Control Switch (MCS)

The MCS is used to navigate the Driver Information Display unit. The Menu Control Switch is located on the D Panel as shown in the illustration below.

Rotate knob to scroll

Push knob to select (Enter)

The MCS has the following functions:

• Rotating the MSC – Selecting display – Setting values

• Pushing the MSC – Confirming desired selection

Standard Warning Lights and Audible Alarm

The warning lights and audible alarm may indicate a system malfunction. Check the lights safely and frequently, and respond properly as soon as you see one go on. These lights could save you from a serious accident.

WARNING! Do not ignore a warning light or audbile alarm. These signals tell you something is wrong with your vehicle. It could be a failure in an important system, such as the brakes, which could lead to an accident causing death or injury. Have the appropriate system checked immediately.

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INSTRUMENTS AND CONTROLS CONTROLS AND DISPLAYS

1. Driver Information Display 2. Status Indicator

3. Lower Light Bar

Warning lights and indicator symbols will be shown in both areas 1 and 2. Area 3 is dedicated to the tur n and high beam indicator symbols.

1. Driver Information Display:

The display can show up to six warning lights. Warnings do not have fixed positions and are displayed in order of

criticality. The most critical warning will be displayed on the top row and to the left. If more than six warnings are active, the menu control switch (MCS) can be used to scroll through the additional warnings.

2. Status Indicator:

Additional lights and indicator symbols are displayed in the Status Indicator. They are limited to:

a. Park Brake b. Transmission Gear (Automatic transmissions

only)

c. Warnings:

Number of active warnings.

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CONTROLS AND DISPLAYS INSTRUMENTS AND CONTROLS

A red warning is active.

An amber warning is active.

d. Cruise Control - active e. Clock alarm bell

Refer to “Warning Light / Indicator Symbols” on page 22 for information on each symbol.

Instrument System Self Test:

When the ignition switch is turned on the instrumentation system will undergo a Self Test. This test will verify the operation of the gauges and wa rnings.

During the Instrumentation System Self Test, three screens will sequentially display warning icons (approximately 3 seconds each screen) on the Information Display. These are:

First

Second

Third

Refer to “Warning Light / Indicator Symbols” on page 22 for information on each symbol.

Completing this sequence will indicate a successful Self Test. Have your instrumentation system checked by a qualitfied service technician if does not successfully complete.

Audible Alarm:

The audible alarm will sound during the In strumentatio n System Self Test. The audible alarm will also sound in conjunction with some warning lights. These events

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INSTRUMENTS AND CONTROLS CONTROLS AND DISPLAYS

include but are not limited to headlight on, fi fth wheel, stop engine, primary/secondar y air, and driver door open warnings.

Optional Lights:

Additional lights may be oper at ional depen ding on individ ual vehicle specifications. These will be included in the Instrument System Self Test.

NOTE: Some optional lights may illuminate even though your vehicle is not equipped with that particular feature.

Warning Light / Indicator Symbols

The following is a list of W arning Light / Indicator Symbols. Reading left to right, the table header identifies

• the Symbol Name

• the appearance of the Symbol

• the Symbol Color when it is illuminated

• whether the symbol is standard (Std) or op tional (Opt )

• the Page Number reference for additional information

Symbols are listed by major component sections.

Example: Engine, and then in alphabetical order.

Warning Light / Indicator Symbols

Symbol Name Symbol Color Std Opt Page

1. Active Warnings, Exclamation Point

2. Active Warnings, Number

3. Active Warnings, Triangle

4. Alternator

5. Anti-Lock Brake System (ABS)

6. Anti-Lock Brake System (ABS), Trailer

7. Axle, Inter-Axle Differential Locked (Tandem Axles)

8. Brake System

9. Clock, Alarm Bell

BRAKE

Red

Yellow

Red

Yellow

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CONTROLS AND DISPLAYS INSTRUMENTS AND CONTROLS

Warning Light / Indicator Symbols

Symbol Name Symbol Color Std Opt Page

10. Cruise Control, Active

11. Dump Truck, Body Up

12. Dump Truck, Trailer Body Up

13. Emissions, Diesel Particulate Filter (DPF)

14. Emissions, High Exhaust System Temperture (HEST)

15. Engine, Check Engine

16. Engine, Ether Start

17. Engine, Heater

18. Engine, Low Coolant Level

Yellow

Green

Yellow

Warning Light / Indicator Symbols

Symbol Name Symbol Color Std Opt Page

19. Engine, Overspeed

20. Engine, Retarder (Brake)

21. Engine, Stop Engine

22. Engine, Wait To Start

23. Fifth Wheel, King Pin Lock

24. Fifth Wheel, Slide Unlocked

25. Lights, High Beam

26. Message Waiting

27. Park Brake

Red

Green

Red

Yellow

Red

Blue

Green

Red

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INSTRUMENTS AND CONTROLS CONTROLS AND DISPLAYS

Warning Light / Indicator Symbols

Symbol Name Symbol Color Std Opt Page

28. Power Take-off (PTO)

29. Power Take-off (PTO), Pump Mode

30. Refrigerator

31. Seat Belt, Fasten

32. Suspension Dump

33. Tire Inflation

34. Transmission, Auxiliary

35. Transmission, Check

36. Transmission, Range Inhibit

Green

Red

Yellow

Red

Warning Light / Indicator Symbols

Symbol Name Symbol Color Std Opt Page

37. Transmission, Oil Filter

38. Transmission, Oil Temperature High

39. Turn Signal, Left

40. Turn Signal, Right

41. Voltage

Yellow

Green

Orange

31 31

Warning Light/Indicator Symbol Descriptions

1. A ct ive Warnings, Exclamation Point

Illuminates when a red warning is active. Use the MCS knob to view the warnings that are

active. Refer to the preceeding Figure , “Warning Light / Indicator Symbols,” on page 22 for warning color classification.

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CONTROLS AND DISPLAYS INSTRUMENTS AND CONTROLS

2.Active Warnings, Number

Illuminates the total number of red and y ellow active warnings. Use the MCS to view the active warnings if the display shows a > symbol.

3.Active Warnings, Triangle

Illuminates when an yellow warning is active. Use the MCS knob to view the warnings that are active. Refer to the preceeding Figure , “Warning Light / Indicator Symbols,” on page 22 for warning color classification.

4.Alternator

Illuminates if the alternator is not charging. (For alternators with warning lamp output signal.)

5. An ti- L ock Brake System (A BS)

Illuminates during the Instrumentation System Self Test. Have the ABS system checked by a Peterbilt dealer if the ABS Warning Lamp stays on for more than 3 seconds.

Illuminates during normal operating conditions to indicate a problem with the ABS System. See “ABS Warning Lamps” on page 104 for more information.

Illuminates when a problem exists with the optional Wheel Spin Control feature. See “Advanced ABS with Stability Control” on page 106 for more information.

6.Anti-Lock Brake System (ABS), Trailer

Illuminates during the Instrumentation System Self Test and the tractor /truck is connected with a ABS equipped trailer.

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INSTRUMENTS AND CONTROLS CONTROLS AND DISPLAYS

Illuminates during normal operating conditions to indicate a problem with the Trailer ABS System. This should be checked by a Peterbilt dealer as soon as possible. See “ABS Warning Lamps” on page 104 for more information.

NOTE:

•Tractors/Trucks and trailers built after March 1, 2001 must be able to turn on an In-Cab Trailer ABS Warning Lamp (per U.S. FMVSS121). The industry chose Power Line Communication (PLC) as the standard method to turn it on. See “Trailer ABS Warning Lamp” on page 104 for more information

•On trailers built prior to March 1, 2001 verify trailer ABS system status via the required external warning lamp mounted on the trailer. The indicator lamp on the trailer should be y ellow and identified with the letters "ABS".

BRAKE

7. Axl e, Inter-Axle Differential Locked (Tandem Axles)

Illuminates when the inter-axle differential switch is ON thus locking the inter-axle differential. This powers the forward rear and the rear rear differentials equally. When the switch is turned off (inter-axle differential unlocked) the en gine pow er is allow ed to flow to any of the 4 drive tires based on the differential effect (mostly to the forward rear differential). (This feature is standard on all tandem axles).

8.Brake System

Illuminates to indicate a malfunction in the hydraulic brake system (when equipped with Hybraulic brakes).

9.Clock, Alarm Bell

Illuminates when the alarm is set. It will flash when the clock alarm is active.

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CONTROLS AND DISPLAYS INSTRUMENTS AND CONTROLS

10.Cruise Control, Active

Illuminates when cruise control is active.

11.Dump Truck, Body Up

Illuminates when Truck Dump Body is up.

12.Dump Truck, Trailer Body Up

Illuminates when Trailer Dump Body is up.

13.Emissions, Diesel Particulate Filter (DPF)

Illuminates when diesel par ticulate trap is plugged. This warning will also illuminate when regeneration operation is disabled.

14.Emissions, High Exhaust System Temperture (HEST)

Illuminates when the exhaust gas temperature and exhaust components become extremely hot.

15.Engine, Check Engine

Illuminates when a problem exists, but the vehicle can still be safely driven. Vehicle should be serviced to correct the problem but the situation should not be considered an emergency.

16.Engine, Ether Start

Illuminates when ether start switch is on.

17. Engine, Heater

Illuminates when Engine Heater switch is on.

18. Engine, Low Coolant Level

Illuminates with an audible alarm indicating critically low coolant level. The vehicle must be serviced to correct the problem but the situation should not be considered an emergency.

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INSTRUMENTS AND CONTROLS CONTROLS AND DISPLAYS

19. Engine, Overspeed

Illuminates when engine RPM is exceeded.

20. Engine, Retarder (Brake)

Illuminates when the engine retarder (compression brake or exhaust brake) switch is turned on. (Engine retarders are an option.)

21. Engine, Stop Engine

Illuminates and an audible alarm tone will sound when a major engine system problem exists.

WARNING! This should be considered an emergency. You should stop the vehicle as safely as possible and turn OFF the ignition. The vehicle must be serviced and the problem corrected before driving again. Failure to do so may cause severe engine damage or cause an accident involving death or personal injury.

22. Engine, Wait To Start

Illuminates when engine grid heater is on (PACCAR PX-6 and PX-8).

23. Fifth Wh ee l, Kin g Pin Lock

Illuminates when air actuated fifth wheel King Pin is unlocked.

24. Fifth Wheel, Slide Unlocked

Illuminates and an audible warning tone will sound when the air operated sliding fifth wheel switch is on, thus unlocking the sliding fifth wheel. The light and an audible warning tone should NOT be considered an emergency but simply as a reminder to turn off the switch to lock the sliding fifth wheel before driving. This switch should not be operated while driving. (Sliding fifth wheels are an option).

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CONTROLS AND DISPLAYS INSTRUMENTS AND CONTROLS

25. Lights, High Beam

Illuminates when the high beams are on. This icon will flash with audible alarm if the headlamps are left on when the door is open. In addition, this icon will flash, but without an audible alarm, if there is a problem with t he low beam headlights or the low beam headlight wiring. In such event, the high beam headlights will turn on at 50% normal br ightness.

26. Message Waiting

Illuminates with telematic equipped messaging.

WARNING! Do not attempt to read telematic messages while operating the vehicle. Reading messages can distract you from safe vehicle operation, which may cause death or personal injury.

27. Park Brake

Illuminates in the status indicator when parking brakes are applied and the vehicle is stationary. This symbol will also illuminate in the Driver Information Display if the parking brakes are applied and the vehicle is in motion.

28.Power Take-off (PTO)

Illuminates when the PTO is engaged.

NOTE: Do not drive vehicle with PTO engaged.

29.Power Take-off (PTO), Pump Mode

Illuminates with remote throttle application. Indicates pump mode is active.

30. Refrigerator

Illuminates to indicate that the refrigerator is on and ignition is off.

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INSTRUMENTS AND CONTROLS CONTROLS AND DISPLAYS

31. Seat Belt, Fasten

Illuminates when the ignition ke y is t urned on as a reminder to fasten your seat belt.

WARNING! Do not drive vehicle without your seat belt and your riders’ belts fastened. Riding without a safety belt which is properly fastened can lead to increased injury or death in an accident. Unbelted riders could be thrown into the windshield or other parts of the cab or could be thrown out of the cab. They could strike another person. Injuries can be much worse when riders are unbelted. Always fasten your seat belt and be sure anyone ridin g with y ou does the same.

32.Suspension Dump

Illuminates when suspension air bags are deflated.

33. Tire Inflation

Illuminates when tire pressures need to be checked. (Tire Pressure Monitoring System is an option)

34. Transmission, Auxiliary

Illuminates to indicate auxiliary transmission is in neutral.

35. Transmission, Check

Illuminates when transmission has recorded a fault code. This icon ma y also appe ar in the Transmission Display menu of the Driver Information Display unit (see item G; page

35). If the user is in this display menu, the icon does not indicate a fault code.

36. Transmission, Range Inhibit

Illuminates with Allison 1000/2000 series transmissions with “Range Inhibit” output.

37. Transmission, Oil Filter

Illuminates when service is required (Allison transmissions only).

– 30 – Y53-6027

Medium Duty (R05/09)

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