MACK PI-CHU, AN-CXU, GR-GU, TD LR, TE-MRU Repair Manual
BODY BUILDER INSTRUCTIONS
Mack Trucks
Cab, Instrument Panel
PI / CHU, AN / CXU, GR / GU, TD
Introduction
This information provides specifications for chassis body installation for MACK vehicles.
Note: We have attempted to cover as much information as possible. However, this
information does not cover all the unique variations that a vehicle chassis may present.
Note that illustrations are typical but may not reflect all the variations of assembly.
All data provided is based on information that was current at time of release. However,
this information is subject to change without notice.
Please note that no part of this information may be reproduced, stored, or transmitted by
any means without the express written permission of MACK Trucks, Inc.
LR, TE / MRU
Section 8
Contents:
• “AN, GR, PI DASHBOARD SWITCH LOCATIONS”, page 3
• “Overview of Instruments”, page 7
• “Instrument Cluster”, page 8
• “Gauge Layout”, page 9
• “Alarm, Check and Information Symbols”, page 15
• “Warning Indicator Light Panel”, page 17
• “Dash Switches”, page 19
• “Switch Package AUXSW-6B Assignable Body Builder Dash Mounted Rocker Switches”,
page 20
• “Lens Kit for Assignable Body Builder Switches: Part # 22392309”, page 21
• “TE/MRU Dash Panel”, page 22
• “Gauge Layout”, page 23
• “Right Hand Gauges”, page 24
• “Alarm, Check and Information Symbols”, page 26
• “Warning Indicator Light Panel”, page 28
Mack Body Builder Instructions PI / CHU, AN / CXU, GR / GU, TD, LR, TE / MRU, Section 8
USA141896628 Date 3.2018 Page 1 (43)
All Rights Reserved
• “LR DASH PANEL”, page 31
• “Alarm, Check and Information Symbols”, page 33
• “Warning Indicator Light Panel”, page 34
• “PTO”, page 36
• “VECU/BBM Locations”, page 40
USA141896628 Date 3.2018
PI / CHU, AN / CXU, GR / GU, TD, LR, TE / MRU, Section 8
Release
Page 2 (43)
Instrument Panel
AN, GR, PI DASHBOARD SWITCH LOCATIONS
Panel Arrangement A and B
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Mack Body Builder Instructions PI / CHU, AN / CXU, GR / GU, TD, LR, TE / MRU, Section 8
USA141896628 Date 3.2018 Cab, Instrument Panel Page 3 (43)
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W3133550 W3133551
Panel A Panel B
Number Part Number Description
1 22392299 Cruise ON / OFF
2 22392282 Cruise SET /
RESUME
3 22559210 Cummins Engine
Brake
4 22392546 Grade Gripper
Disable
5 22392314 ATC (MUD /
SNOW)
6 22393029 Trailer AUX
(CENTER PIN)
7 22396611 IGN AUX
8 22392442 DIFF LOCK (IN-
TER WHEEL)
9 22846096 INTERAXLE
LOCK
10 22392259 PLOW LAMPS
11 22559918 AIR SUSP
(DUMP)
19 82719617 FLOOR LAMP
SWITCH (nongas only)
20 23006490 HEADLAMP
SWITCH
12 22392281 STROBE
13 22392399 BATTERY AUX
14 22846105 PTO 1
15 22846105 PTO 2
16 22559226 BEACON LIGHT
17 23229511 FAN CLUTCH
OVERRIDE
18 22392285 ASSIGNABLE
ON / OFF
Mack Body Builder Instructions PI / CHU, AN / CXU, GR / GU, TD, LR, TE / MRU, Section 8
USA141896628 Date 3.2018 Cab, Instrument Panel Page 4 (43)
All Rights Reserved
OTHER AVAILABLE SWITCH OPTIONS
Part Number Description
22572307 LDWS DISABLE
22392308
TIME GAP (ACC)
22392420 ATC
22392256 RETARDER
22392260 ASSIGNABLE ON / OFF
22392286 WINDSHIELD DEFROST
22392297 ECS RAISE / LOWER
22392311 ASSIGNABLE MOMENTARY
22396071 POWER FLOAT
22396079 LOW HYDRA OIL OVERRIDE
22396090 SPREADER LIGHTS
22396625 REAR AMBER FLASHER
22559241 SANDER LIGHT
22559244 CHAIN LIGHT
22559245 ROTATING LIGHT
22559917 BOGIE CONTROL
22846089 TAIL GATE LOCK / UNLOCK
22846090 TAIL GATE LOCK / UNLOCK
22846091 SNOW INGESTION
22846093 NEUTRAL CONTROL
22846096 INTERAXLE
22846097 SUSP HEIGHT CONTROL
22846101 5TH WHEEL
22846108
PTO CONTROL (MUNCIE)
22846121 ECS MODE
22879194 LOAD LIGHT
23053219 FORWARD LIFT AXLE
23053220 REAR LIFT AXLE
23093324 FRONT DIFF LOCK
23093325 REAR DIFF LOCK
23229509 SHUTDOWN OVERRIDE
23229510 WINDSHIELD DEFROST
23229512 ATC
23229513 INTER WHEEL LOCK
23229514 GRADE GRIPPER DISABLE
23229515 LOW HYDRA OIL OVERRIDE
23229516 LDWS DISABLE
23229517 FRONT DIFF LOCK
Mack Body Builder Instructions PI / CHU, AN / CXU, GR / GU, TD, LR, TE / MRU, Section 8
USA141896628 Date 3.2018 Cab, Instrument Panel Page 5 (43)
All Rights Reserved
Part Number Description
23229518 REAR DIFF LOCK
23239140 ASSIGNABLE MOMENTARY
Notes
23239141
IGNITION (15 AMP)
23239142 REAR AMBER FLASHER
Mack Body Builder Instructions PI / CHU, AN / CXU, GR / GU, TD, LR, TE / MRU, Section 8
USA141896628 Date 3.2018 Cab, Instrument Panel Page 6 (43)
All Rights Reserved
Overview of Instruments
Before driving this vehicle, locate the instruments and controls, and become thoroughly familiar with their operation. After
starting and when driving, ensure that the instrument readings are normal.
W8133358
1. Air Vent 8. Infotainment Screen / Display (SID) 15. Accelerator Pedal
2. Stalk Control 9. Secondary Gauges 16. Stalk Control
3. Tachometer 10. Dash Switches 17. Brake Pedal
4. Drivers Information Display (DID) 11. Climate Control Unit 18. Steering Wheel
5. Speedometer 12. Trailer Air Supply 19. Steering Column Tilt Control Pedal
6. mDRIVE Gear Selector 13. Tractor Parking Brake 20. Steering Wheel Switches
7. Radio (SEM) 14. Trailer Hand Brake
Mack Body Builder Instructions PI / CHU, AN / CXU, GR / GU, TD, LR, TE / MRU, Section 8
USA141896628 Date 3.2018 Cab, Instrument Panel Page 7 (43)
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Instrument Cluster
The instrument cluster provides system/component condition information to the driver. This information is available to assist
the driver in determining any necessary actions.
The instrument cluster consists of the following components: condition indicators (tell-tales), driver information display (DID),
gauges, speedometer and tachometer, on board diagnostic (OBD) fault and warning indicators.
W8133359
1. Condition Indicators (Tell-tale)
2. Driver Information Display (DID)
3. On Board Diagnostic (OBD) Fault and Warning Indicators
4. Speedometer
5. Gauges
6. Tachometer
Notes
Mack Body Builder Instructions PI / CHU, AN / CXU, GR / GU, TD, LR, TE / MRU, Section 8
USA141896628 Date 3.2018 Cab, Instrument Panel Page 8 (43)
All Rights Reserved
Gauge Layout
Tachometer
The tachometer displays the engine’s revolutions per minute (RPMs).
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Speedometer
Indicates the speed of the vehicle. The speedometer is driven by the vehicle’s electronic system.
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Mack Body Builder Instructions PI / CHU, AN / CXU, GR / GU, TD, LR, TE / MRU, Section 8
USA141896628 Date 3.2018 Cab, Instrument Panel Page 9 (43)
All Rights Reserved
Coolant Temperature Gauge
The coolant temperature gauge indicates engine coolant temperature. The normal operating temperature for Mack engines
is 80 to 105° C (170–215° F). If the temperature remains below or exceeds the normal temperature range, the cooling system should be checked for problems by an authorized Mack Vehicle dealer. When coolant temperature is excessive, the red
STOP tell-tale illuminates and the buzzer will sound. The engine is at risk and the ECM may derate the engine power. Stop
at the first safe place where the problem can be checked.
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Engine Oil Pressure Gauge
Indicates engine oil pressure. When the engine oil pressure is too low, the red STOP tell-tale illuminates and the buzzer will
sound. If the engine oil pressure becomes low, the engine is at risk. Bring the vehicle to a safe stop where the problem can
be checked.
DANGER
Failure to take necessary action when the STOP tell-tale is on can ultimately result in automatic engine shutdown and loss
of power steering assist. Vehicle crash can occur, resulting in personal injury or death.
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Stop Tell-Tale
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Mack Body Builder Instructions PI / CHU, AN / CXU, GR / GU, TD, LR, TE / MRU, Section 8
USA141896628 Date 3.2018 Cab, Instrument Panel Page 10 (43)
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Aftertreatment DEF Gauge
Indicates the amount of Diesel Exhaust Fluid (DEF) in the tank.
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Fuel Gauge
Indicates the fuel level. The fuel gauge is connected to the fuel sensor unit in the fuel tank. There is only one sensor even if
the vehicle is equipped with dual tanks.
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Mack Body Builder Instructions PI / CHU, AN / CXU, GR / GU, TD, LR, TE / MRU, Section 8
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Secondary Brake Air Pressure Gauge
The secondary brake air pressure gauge is connected to the front circuit tank via sensors mounted on the passthrough wall.
The front and rear air gauges should register equal air pressure. By observing the gauge pointers, the operator can detect a
pressure drop if an air leak develops and can readily identify the circuit affected.
DANGER
Failure to observe these precautions can result in the loss of braking performance. This can lead to a vehicle accident,
which can result in personal injury or death.
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Primary Brake Air Pressure Gauge
The primary brake air pressure gauge is connected to the rear circuit tank via sensors mounted on the passthrough wall. The
front and rear air gauges should register equal air pressure. By observing the gauge pointers, the operator can detect a pressure drop if an air leak develops and can readily identify the circuit affected.
DANGER
Failure to observe these precautions can result in the loss of braking performance. This can lead to a vehicle accident,
which can result in personal injury or death.
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Mack Body Builder Instructions PI / CHU, AN / CXU, GR / GU, TD, LR, TE / MRU, Section 8
USA141896628 Date 3.2018 Cab, Instrument Panel Page 12 (43)
All Rights Reserved
Secondary Gauges
On certain vehicles, secondary gauges are included. These gauges are located to the right of the steering wheel, above the
main switch location.
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1. Secondary Gauges
Notes
Mack Body Builder Instructions PI / CHU, AN / CXU, GR / GU, TD, LR, TE / MRU, Section 8
USA141896628 Date 3.2018 Cab, Instrument Panel Page 13 (43)
All Rights Reserved
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