789C Off-Highway Truck 2BW00001-UP (MACHINE) POWERED BY 3516 Engine BRAKING SYSTEM Caterpillar SIS

TRUCK 789C TRUCK 2BW
789C Off-Highway Truck 2BW00001-UP (MACHINE) POWERED BY 3516 Engine SEBP2790 789C 2BW (1998)

Parts group 789C:

For full view, you need register

BRAKING SYSTEM

ACCUMULATOR GP

241-3147 ACCUMULATOR GP-BRAKE -CHARGED
S/N 2BW659-1646
PART OF 241-7846 LINES GP-SERVICE BRAKE
FIELD REPLACEMENT ORDER @@@@@243-5339@@@@@

243-5339 ACCUMULATOR GP-BRAKE

243-5339 ACCUMULATOR GP-BRAKE -UNCHARGED
S/N 2BW659-UP
FIELD REPLACEMENT FOR @@@@@241-3147@@@@@
FIELD INSTALLATION

348-9268 ACCUMULATOR GP-BRAKE

348-9268 ACCUMULATOR GP-BRAKE -CHARGED
S/N 2BW1647-UP
PART OF 241-7846 LINES GP-SERVICE BRAKE
FIELD REPLACEMENT ORDER @@@@@348-9274@@@@@

348-9274 ACCUMULATOR GP-BRAKE

348-9274 ACCUMULATOR GP-BRAKE -UNCHARGED
S/N 2BW1647-UP
FIELD REPLACEMENT FOR @@@@@348-9268@@@@@

AIR DRYER GP

101-8352 AIR DRYER GP

101-8352 AIR DRYER GP
S/N 2BW1-658
PART OF 154-3751 AIR DRYER GP
FIELD REPLACEMENT ORDER 166-7416 AIR DRYER AS

154-3751 AIR DRYER GP

154-3751 AIR DRYER GP
S/N 2BW1-658
PART OF 144-3025, 170-3594 CHASSIS AR

165-5648 AIR DRYER GP

165-5648 AIR DRYER GP
S/N 2BW2130-UP
PART OF 448-8766 AIR DRYER GP

244-1558 AIR DRYER GP

244-1558 AIR DRYER GP
S/N 2BW659-UP
PART OF 170-3594 CHASSIS AR

448-8766 AIR DRYER GP

448-8766 AIR DRYER GP
S/N 2BW2130-UP
PART OF 241-7848 CONTROL GP-SERVICE BRAKE

BRAKE GP

246-3165 KIT-REPAIR

246-3165 KIT-REPAIR -REAR BRAKE
S/N 2BW1-UP
REAR BRAKE OVERHAUL WITHOUT PLATES, THIS KIT CONTAINS INTERNAL COMPONENTS TO OVERHAUL ONE REAR WHEEL BRAKE. BUT DOES NOT INCLUDE EXTERNAL PARTS THAT ARE INCLUDED IN WHEEL/FD/BRAKE BEARING KIT, THIS KIT CONTAINS THE OUTER PLATES.
FIELD INSTALLATION

246-3168 KIT-REPAIR

246-3168 KIT-REPAIR -REAR BRAKE
S/N 2BW1-UP
REAR BRAKE OVERHAUL WITH PLATES, THIS KIT CONTAINS INTERNAL COMPONENTS TO OVERHAUL ONE REAR WHEEL BRAKE. BUT DOES NOT INCLUDE EXTERNAL PARTS THAT ARE INCLUDED IN WHEEL/FD/BRAKE BEARING KIT. THIS KIT CONTAINS THE OUTER PLATES.
FIELD INSTALLATION

249-6434 KIT-REPAIR

249-6434 KIT-REPAIR -REAR BRAKE
S/N 2BW1-UP
COMPLETE REAR BRAKE OVERHAUL WITHOUT PLATES
FIELD INSTALLATION

249-6435 KIT-REPAIR

249-6435 KIT-REPAIR -REAR BRAKE
S/N 2BW1-UP
COMPLETE REAR BRAKE OVERHAUL WITH PLATES
FIELD INSTALLATION

249-6437 KIT-REPAIR

249-6437 KIT-REPAIR -FRONT BRAKES
S/N 2BW1-UP
COMPLETE FRONT BRAKE OVERHAUL WITHOUT PLATES
FIELD INSTALLATION

249-6438 KIT-REPAIR

249-6438 KIT-REPAIR -FRONT BRAKES
S/N 2BW1-UP
COMPLETE FRONT BRAKE OVERHAUL WITH PLATES
FIELD INSTALLATION

249-6441 KIT-REPAIR

249-6441 KIT-REPAIR -REAR BRAKE
S/N 2BW1-UP
FIELD INSTALLATION

249-6444 KIT-REPAIR

249-6444 KIT-REPAIR -REAR BRAKE
S/N 2BW1-UP
FIELD INSTALLATION

250-4047 BRAKE AR

250-4047 BRAKE AR
S/N 2BW1-UP
AN ATTACHMENT

106-9885 BRAKE GP-SERVICE & PARKING

106-9885 BRAKE GP-SERVICE & PARKING -FRONT
S/N 2BW159-UP
FIELD REPLACEMENT FOR @@@@@5T-5070@@@@@

198-1911 BRAKE GP-SERVICE & PARKING

198-1911 BRAKE GP-SERVICE & PARKING -REAR
S/N 2BW1-UP
PART OF 198-1904 WHEEL AR
FIELD INSTALLATION

250-4048 BRAKE GP-SERVICE & PARKING

250-4048 BRAKE GP-SERVICE & PARKING
S/N 2BW1-UP
PART OF 250-4047 BRAKE AR
AN ATTACHMENT

250-4049 BRAKE GP-SERVICE & PARKING

250-4049 BRAKE GP-SERVICE & PARKING -FRONT
S/N 2BW1-UP
PART OF 250-4047 BRAKE AR
AN ATTACHMENT

257-6298 BRAKE GP-SERVICE & PARKING

257-6298 BRAKE GP-SERVICE & PARKING
S/N 2BW1-UP
PART OF 257-6310 WHEEL AR
AN ATTACHMENT

257-6301 BRAKE GP-SERVICE & PARKING

257-6301 BRAKE GP-SERVICE & PARKING
S/N 2BW1-UP
FRONT
PART OF 328-8492 WHEEL & BRAKE GP
AN ATTACHMENT

482-0724 BRAKE GP-SERVICE & PARKING

482-0724 BRAKE GP-SERVICE & PARKING
S/N 2BW1-UP
PART OF 328-8492 WHEEL & BRAKE GP

5T-4489 BRAKE GP-SERVICE & PARKING

5T-4489 BRAKE GP-SERVICE & PARKING -REAR
S/N 2BW1-506
PART OF 144-3026 POWER TRAIN AR

5T-4489 BRAKE GP-SERVICE & PARKING

5T-4489 BRAKE GP-SERVICE & PARKING -REAR
S/N 2BW507-UP
PART OF 144-3026 POWER TRAIN AR

5T-5070 BRAKE GP-SERVICE & PARKING

5T-5070 BRAKE GP-SERVICE & PARKING -FRONT
S/N 2BW1-128
PART OF 144-3025 CHASSIS AR
FIELD REPLACEMENT ORDER @@@@@106-9885@@@@@

5T-5070 BRAKE GP-SERVICE & PARKING

5T-5070 BRAKE GP-SERVICE & PARKING -FRONT
S/N 2BW129-158
PART OF 144-3025 CHASSIS AR
FIELD REPLACEMENT ORDER @@@@@106-9885@@@@@

5T-5070 BRAKE GP-SERVICE & PARKING

5T-5070 BRAKE GP-SERVICE & PARKING -FRONT
S/N 2BW159-UP
PART OF 144-3025, 170-3594 CHASSIS AR
FIELD REPLACEMENT ORDER @@@@@106-9885@@@@@

245-9846 KIT-BRAKE

245-9846 KIT-BRAKE -FRONT BRAKE, WITH PLATES
S/N 2BW1-UP
THIS KIT CONTAINS INTERNAL COMPONENTS TO OVERHAUL ONE FRONT WHEEL BRAKE. BUT DOES NOT INCLUDE EXTERNAL PARTS THAT ARE INCLUDED IN WHEEL/BRAKE BEARING KIT. THIS KIT CONTAINS THE OUTER PLATES.
FIELD INSTALLATION

328-8492 WHEEL & BRAKE GP

328-8492 WHEEL & BRAKE GP -FRONT
S/N 2BW1-UP
Type 1
FIELD REPLACEMENT FOR @@@@@ 5T-1023@@@@@
FOR USE WITH @@@@@293-1016@@@@@

328-8492 WHEEL & BRAKE GP

328-8492 WHEEL & BRAKE GP -FRONT
S/N 2BW1-UP
Type 2
FIELD REPLACEMENT FOR @@@@@ 5T-1023@@@@@
FOR USE WITH @@@@@293-1016@@@@@

CONTROL GP

137-0008 CONTROL GP-PARKING BRAKE

137-0008 CONTROL GP-PARKING BRAKE -CAB
S/N 2BW1-546
PART OF 137-0789, 174-0519 CAB AR

211-1803 CONTROL GP-PARKING BRAKE

211-1803 CONTROL GP-PARKING BRAKE
S/N 2BW547-1181
PART OF 174-0519 CAB AR

211-1803 CONTROL GP-PARKING BRAKE

211-1803 CONTROL GP-PARKING BRAKE
S/N 2BW1182-UP
PART OF 174-0519, 250-6899, 352-0586 CAB AR

137-0007 CONTROL GP-SERVICE BRAKE

137-0007 CONTROL GP-SERVICE BRAKE -CAB-CAB
S/N 2BW1-546
PART OF 137-0789, 174-0519 CAB AR

154-3750 CONTROL GP-SERVICE BRAKE

154-3750 CONTROL GP-SERVICE BRAKE -CHASSIS
S/N 2BW1-658
PART OF 144-3025, 170-3594 CHASSIS AR

211-1802 CONTROL GP-SERVICE BRAKE

211-1802 CONTROL GP-SERVICE BRAKE -CAB
S/N 2BW547-610
PART OF 174-0519 CAB AR

211-1802 CONTROL GP-SERVICE BRAKE

211-1802 CONTROL GP-SERVICE BRAKE -CAB
S/N 2BW611-658
PART OF 174-0519 CAB AR

237-7318 CONTROL GP-SERVICE BRAKE

237-7318 CONTROL GP-SERVICE BRAKE
S/N 2BW659-UP
PART OF 174-0519, 250-6899, 352-0586 CAB AR

241-7848 CONTROL GP-SERVICE BRAKE

241-7848 CONTROL GP-SERVICE BRAKE -CHASSIS
S/N 2BW659-1588
PART OF 170-3594 CHASSIS AR

241-7848 CONTROL GP-SERVICE BRAKE

241-7848 CONTROL GP-SERVICE BRAKE -CHASSIS
S/N 2BW1589-2129
PART OF 170-3594 CHASSIS AR

241-7848 CONTROL GP-SERVICE BRAKE

241-7848 CONTROL GP-SERVICE BRAKE -CHASSIS
S/N 2BW2130-UP
PART OF 170-3594 CHASSIS AR

137-0009 CONTROL GP-RETARDER

137-0009 CONTROL GP-RETARDER
S/N 2BW1-658
PART OF 137-0789, 174-0519 CAB AR

CYLINDER GP

9T-7204 CYLINDER GP-AIR

9T-7204 CYLINDER GP-AIR -TC, FRONT BRAKE COOLING
S/N 2BW1-UP
PART OF 105-0170 VALVE GP-DIVERTER

8W-3405 CYLINDER GP-AIR/HYDRAULIC

8W-3405 CYLINDER GP-AIR/HYDRAULIC -SERVICE BRAKE
S/N 2BW1-UP
MINERAL-BASED HYDRAULIC OIL
PART OF 156-7141, 241-7845, 241-7846, 5T-1025 LINES GP-SERVICE BRAKE

LINES GP

250-4047 BRAKE AR

250-4047 BRAKE AR
S/N 2BW1-UP
AN ATTACHMENT

156-7141 LINES GP-SERVICE BRAKE

156-7141 LINES GP-SERVICE BRAKE -REAR
S/N 2BW1-124
PART OF 144-3029 HYDRAULIC AR

156-7141 LINES GP-SERVICE BRAKE

156-7141 LINES GP-SERVICE BRAKE -REAR
S/N 2BW125-550
PART OF 144-3029, 170-3590 HYDRAULIC AR

156-7141 LINES GP-SERVICE BRAKE

156-7141 LINES GP-SERVICE BRAKE -REAR
S/N 2BW551-658
PART OF 170-3590 HYDRAULIC AR

241-7845 LINES GP-SERVICE BRAKE

241-7845 LINES GP-SERVICE BRAKE -FRONT
S/N 2BW659-807
PART OF 170-3590 HYDRAULIC AR

241-7845 LINES GP-SERVICE BRAKE

241-7845 LINES GP-SERVICE BRAKE -FRONT
S/N 2BW808-UP
PART OF 170-3590 HYDRAULIC AR

241-7846 LINES GP-SERVICE BRAKE

241-7846 LINES GP-SERVICE BRAKE -REAR
S/N 2BW659-807
PART OF 170-3590 HYDRAULIC AR

241-7846 LINES GP-SERVICE BRAKE

241-7846 LINES GP-SERVICE BRAKE -REAR
S/N 2BW808-1399
PART OF 170-3590 HYDRAULIC AR

241-7846 LINES GP-SERVICE BRAKE

241-7846 LINES GP-SERVICE BRAKE -REAR
S/N 2BW1400-1646
PART OF 170-3590 HYDRAULIC AR

241-7846 LINES GP-SERVICE BRAKE

241-7846 LINES GP-SERVICE BRAKE -REAR
S/N 2BW1647-1863
PART OF 170-3590 HYDRAULIC AR

241-7846 LINES GP-SERVICE BRAKE

241-7846 LINES GP-SERVICE BRAKE -REAR
S/N 2BW1864-1982
PART OF 170-3590 HYDRAULIC AR

241-7846 LINES GP-SERVICE BRAKE

241-7846 LINES GP-SERVICE BRAKE -REAR
S/N 2BW1983-UP
PART OF 170-3590 HYDRAULIC AR

5T-1025 LINES GP-SERVICE BRAKE

5T-1025 LINES GP-SERVICE BRAKE -FRONT
S/N 2BW1-124
PART OF 144-3029 HYDRAULIC AR

5T-1025 LINES GP-SERVICE BRAKE

5T-1025 LINES GP-SERVICE BRAKE -FRONT
S/N 2BW125-550
PART OF 144-3029, 170-3590 HYDRAULIC AR

5T-1025 LINES GP-SERVICE BRAKE

5T-1025 LINES GP-SERVICE BRAKE -FRONT
S/N 2BW551-658
PART OF 170-3590 HYDRAULIC AR

SLACK ADJUSTER GP

205-0558 SLACK ADJUSTER GP

205-0558 SLACK ADJUSTER GP
S/N 2BW551-UP
PART OF 241-7845, 5T-1025 LINES GP-SERVICE BRAKE

205-0560 SLACK ADJUSTER GP

205-0560 SLACK ADJUSTER GP
S/N 2BW551-UP
PART OF 156-7141, 241-7846 LINES GP-SERVICE BRAKE
FIELD REPLACEMENT ORDER @@@@@462-9068@@@@@

2G-5900 SLACK ADJUSTER GP

2G-5900 SLACK ADJUSTER GP -FRONT
S/N 2BW1-550
PART OF 5T-1025 LINES GP-SERVICE BRAKE

462-9068 SLACK ADJUSTER GP

462-9068 SLACK ADJUSTER GP
S/N 2BW551-UP
FIELD REPLACEMENT FOR @@@@@205-0560@@@@@

5T-7670 SLACK ADJUSTER GP

5T-7670 SLACK ADJUSTER GP -REAR
S/N 2BW1-550
PART OF 156-7141 LINES GP-SERVICE BRAKE

TANK GP

137-0010 TANK GP-AIR

137-0010 TANK GP-AIR -CAB
S/N 2BW1-546
PART OF 137-0789, 174-0519 CAB AR

164-1909 TANK GP-AIR

164-1909 TANK GP-AIR -CHASSIS
S/N 2BW1-589
PART OF 144-3025, 170-3594 CHASSIS AR, 193-6330, 263-7389 SUSPENSION AR
ALSO AN ATTACHMENT

193-6344 TANK GP-AIR

193-6344 TANK GP-AIR -CHASSIS
S/N 2BW590-UP
PART OF 193-6331 SUSPENSION AR
AN ATTACHMENT

211-1804 TANK GP-AIR

211-1804 TANK GP-AIR
S/N 2BW547-UP
PART OF 174-0519, 250-6899 CAB AR, 193-6330, 193-6331 SUSPENSION AR
ALSO AN ATTACHMENT

253-0779 TANK GP-AIR

253-0779 TANK GP-AIR -SECONDARY
S/N 2BW1-UP
PART OF 263-7389 SUSPENSION AR
AN ATTACHMENT

6E-1851 TANK GP-BRAKE

6E-1851 TANK GP-BRAKE
S/N 2BW1-UP
PART OF 156-7141, 241-7846 LINES GP-SERVICE BRAKE

VALVE GP

250-4047 BRAKE AR

250-4047 BRAKE AR
S/N 2BW1-UP
AN ATTACHMENT

127-4661 VALVE & MTG GP-BRAKE

127-4661 VALVE & MTG GP-BRAKE -AUTOMATIC RETARDER
S/N 2BW1-658
PART OF 137-0009 CONTROL GP-RETARDER
FIELD REPLACEMENT ORDER @@@@@217-7906@@@@@

217-7906 VALVE & MTG GP-BRAKE

217-7906 VALVE & MTG GP-BRAKE
S/N 2BW1-UP
Type 1
FIELD REPLACEMENT ORDER @@@@@460-7618@@@@@

217-7906 VALVE & MTG GP-BRAKE

217-7906 VALVE & MTG GP-BRAKE
S/N 2BW1-UP
Type 2
FIELD REPLACEMENT ORDER @@@@@460-7618@@@@@

460-7618 VALVE & MTG GP-BRAKE

460-7618 VALVE & MTG GP-BRAKE
S/N 2BW1-UP
PART OF 217-7906 VALVE & MTG GP-BRAKE
FIELD REPLACEMENT FOR @@@@@217-7906@@@@@

177-8840 VALVE & MTG GP-RETARDER CONT

177-8840 VALVE & MTG GP-RETARDER CONT -AUTOMATIC RETARDER
S/N 2BW659-UP
PART OF 241-7846 LINES GP-SERVICE BRAKE

351-0524 VALVE GP-AIR CONTROL

351-0524 VALVE GP-AIR CONTROL -MANUAL RETARDER
S/N 2BW611-UP
PART OF 211-1802, 237-7318 CONTROL GP-SERVICE BRAKE

149-4133 VALVE GP-BRAKE

149-4133 VALVE GP-BRAKE -SECONDARY, PARKING BRAKE
S/N 2BW1-UP
PART OF 156-7141 LINES GP-SERVICE BRAKE
Type 1

149-4133 VALVE GP-BRAKE

149-4133 VALVE GP-BRAKE -SECONDARY, PARKING BRAKE
S/N 2BW1-UP
PART OF 156-7141, 241-7846 LINES GP-SERVICE BRAKE
Type 2

253-1675 VALVE GP-BRAKE CONTROL

253-1675 VALVE GP-BRAKE CONTROL -SERVICE BRAKE
S/N 2BW734-UP
PART OF 241-7847 CONTROL GP-TRACTION
FIELD REPLACEMENT ORDER @@@@@222-4744@@@@@

164-7474 VALVE GP-CHECK

164-7474 VALVE GP-CHECK
S/N 2BW659-UP
PART OF 241-7846 LINES GP-SERVICE BRAKE

1U-2644 VALVE GP-CHECK

1U-2644 VALVE GP-CHECK -PARKING, SECONDARY BRAKE
S/N 2BW1-UP
PART OF 149-4133 VALVE GP-BRAKE

6D-3781 VALVE GP-CHECK

6D-3781 VALVE GP-CHECK
S/N 2BW1-UP
PART OF 137-0009 CONTROL GP-RETARDER, 137-0007, 211-1802, 237-7318 CONTROL GP-SERVICE BRAKE

9T-3096 VALVE GP-CHECK

9T-3096 VALVE GP-CHECK
S/N 2BW1-658
DEAD ENGINE, LIFT ARM LOWER
PART OF 156-7141 LINES GP-SERVICE BRAKE

165-7083 VALVE GP-MODULATING

165-7083 VALVE GP-MODULATING -SERVICE BRAKE
S/N 2BW659-UP
PART OF 177-8840 VALVE & MTG GP-RETARDER CONT

113-1072 VALVE GP-RELIEF

113-1072 VALVE GP-RELIEF -PARKING, SECONDARY BRAKE
S/N 2BW1-UP
PART OF 149-4133 VALVE GP-BRAKE

6E-6305 VALVE GP-RELIEF

6E-6305 VALVE GP-RELIEF -PILOT OPERATED
S/N 2BW1-UP
PART OF 149-4133 VALVE GP-BRAKE

184-0987 VALVE GP-SOLENOID

184-0987 VALVE GP-SOLENOID
S/N 2BW659-UP
24-VDC
PART OF 177-8840 VALVE & MTG GP-RETARDER CONT

188-2461 VALVE GP-SOLENOID

188-2461 VALVE GP-SOLENOID
S/N 2BW659-UP
PART OF 237-7318 CONTROL GP-SERVICE BRAKE, 569-2196 WIRING GP-CAB

3E-8691 VALVE GP-SOLENOID

3E-8691 VALVE GP-SOLENOID
S/N 2BW1-658
24-VOLT
PART OF 127-4661 VALVE & MTG GP-BRAKE
FIELD REPLACEMENT ORDER @@@@@189-8666@@@@@, 1-216-0101 WIRE AS

185-9357 VALVE GP-CHECK

185-9357 VALVE GP-CHECK -STEERING
S/N 2BW157-UP
PART OF 150-8726 LINES GP-STEERING

108-2184 VALVE GP-RELIEF

108-2184 VALVE GP-RELIEF -STEERING
S/N 2BW1-501
PART OF 6E-6298 VALVE GP-SOLENOID & RELIEF

346-3796 VALVE GP-RELIEF

346-3796 VALVE GP-RELIEF
S/N 2BW502-UP
DIRECT OPERATED
PART OF 9T-8378 VALVE GP-RELIEF

9T-8378 VALVE GP-RELIEF

9T-8378 VALVE GP-RELIEF -STEERING
S/N 2BW502-UP
DIRECT OPERATED
PART OF 6E-6298 VALVE GP-SOLENOID & RELIEF

149-2610 VALVE GP-SOLENOID

149-2610 VALVE GP-SOLENOID
S/N 2BW1-UP
24-VOLT
FIELD REPLACEMENT ORDER @@@@@279-6528@@@@@
FIELD REPLACEMENT FOR @@@@@149-2658@@@@@

149-2658 VALVE GP-SOLENOID

149-2658 VALVE GP-SOLENOID
S/N 2BW1-UP
PART OF 6E-6298 VALVE GP-SOLENOID & RELIEF

Information:

(For parts list, see above)

BRAKING SYSTEM

ACCUMULATOR GP

Operation and Maintenance Manual

Brake Accumulator - Check
789C Off-Highway Truck

Special Instruction

Accumulator Discharging and Charging Procedures {0738, 4263, 4264, 4331, 5077, 5077, 5081, 7474}
Accumulator Discharging and Charging Procedures {0738, 4263, 4264, 4331, 5077, 5077, 5081, 7474}

Technical Information Bulletin

Change to the Instruction for Charging New or Rebuilt Bladder Accumulators{4263, 4331}
Change to the Instruction for Charging New or Rebuilt Bladder Accumulators{4263, 4331}

Tool Operating Manual

NEHS1214: 455-0126 Nitrogen Booster Pump Group {0374, 0599, 0647, 0756, 4263, 4331, 5077, 7200}
NEHS1214: 455-0126 Nitrogen Booster Pump Group {0374, 0599, 0647, 0756, 4263, 4331, 5077, 7200}

Reuse And Salvage Guidelines

Reuse & Salvage Procedure for Off-Highway Truck Accumulators {0374, 0599, 0679, 0738, 4269, 4331, 5077}
Reuse & Salvage Procedure for Off-Highway Truck Accumulators {0374, 0599, 0679, 0738, 4269, 4331, 5077}

Service Magazine

A New Nitrogen Charging Valve for Use in Accumulators Provides Improved Service Life {4263, 4331}
2000/06/12

AIR DRYER GP

General Service Information

Glossary
AIR DRYER FOR VEHICLE AIR SYSTEMS

Systems Operation
AIR DRYER FOR VEHICLE AIR SYSTEMS

Disassembly And Assembly
AIR DRYER FOR VEHICLE AIR SYSTEMS

Maintenance
AIR DRYER FOR VEHICLE AIR SYSTEMS

Operation and Maintenance Manual

Air Dryer - Check
789C Off-Highway Truck

Air Dryer Desiccant - Replace
789C Off-Highway Truck

Special Instruction

Procedure to Improve the Air Dryer System on Certain 789C Off-Highway Trucks {0679, 1408, 4257, 4264, 4265, 4269, 4280, 4285, 7050}
Procedure to Improve the Air Dryer System on Certain 789C Off-Highway Trucks {0679, 1408, 4257, 4264, 4265, 4269, 4280, 4285, 7050}

Systems Operation

Air Dryer
789C Off-Highway Truck/Tractor Air System and Brakes

Information Release Memo

CAT REMAN ANNOUNCES NEW PRODUCT TYPE: REMAN AIR DRYER CARTRIDGES
CAT REMAN ANNOUNCES NEW PRODUCT TYPE: REMAN AIR DRYER CARTRIDGES

Testing and Adjusting

Air Dryer - Check
789C Off-Highway Truck/Tractor Air System and Brakes

Disassembly and Assembly

Air Dryer - Disassemble
789C Off-Highway Truck Machine Systems

Air Dryer - Assemble
789C Off-Highway Truck Machine Systems

Air Dryer - Remove
789C Off-Highway Truck Machine Systems

Air Dryer - Install
789C Off-Highway Truck Machine Systems

Service Magazine

The Heater for the Air Dryer Is Now Serviceable In A Kit {4285}
2004/04/05

The 784C, 785C, and 789C Off-Highway Truck/Tractor Are Now Equipped with An Hydraulic Automatic Retarder Control (ARC) System {3288, 4257, 4269, 4285, 4294, 4801}
2004/06/14

A Procedure to Improve the Air Dryer System on Certain Large Off-Highway Trucks is Available {0679, 1451, 4285, 5505, 7050}
A Procedure to Improve the Air Dryer System on Certain Large Off-Highway Trucks is Available {0679, 1451, 4285, 5505, 7050}

BRAKE GP

Operation and Maintenance Manual

Service Brakes - Inspect
789C Off-Highway Truck

Braking System - Test
789C Off-Highway Truck

Special Instruction

Brake Wear Indicators Upgrade and Retrofit Now Available on Certain Off-Highway Trucks{4251, 4255, 7450}
Brake Wear Indicators Upgrade and Retrofit Now Available on Certain Off-Highway Trucks{4251, 4255, 7450}

Service Letter-NACD

PRODUCT SUPPORT PROGRAM FOR REPLACING THE SEAL RETAINERS ON CERTAIN 772B, 773B, 773D, 775B, 775D, 776, 776B, 776C, 776D, 777, 777B, 777C, 777D, 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SEAL RETAINERS ON CERTAIN 772B, 773B, 773D, 775B, 775D, 776, 776B, 776C, 776D, 777, 777B, 777C, 777D, 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C TRUCKS

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Technical Information Bulletin

Some 157-6186 Duocone Seals For Large Off-Highway Trucks May Contain the Wrong Toric Rings
Some 157-6186 Duocone Seals For Large Off-Highway Trucks May Contain the Wrong Toric Rings

Front Wheel Group Bearings May Fail on Certain Off-Highway Trucks{4006, 4201, 4205, 7551}
Front Wheel Group Bearings May Fail on Certain Off-Highway Trucks{4006, 4201, 4205, 7551}

Front Wheel Group Bearings May Fail on Certain Off-Highway Trucks{3259, 4006, 4201, 4205, 4208, 7551}
Front Wheel Group Bearings May Fail on Certain Off-Highway Trucks{3259, 4006, 4201, 4205, 4208, 7551}

Certain Off-Highway Truck Spindles are Wearing Past the Limits of Reuse {4006, 4008, 4201, 4205, 4234, 4251}
Certain Off-Highway Truck Spindles are Wearing Past the Limits of Reuse {4006, 4008, 4201, 4205, 4234, 4251}

Specifications

Service and Parking Brake (Front)
789C Off-Highway Truck Air System and Brakes

Service and Parking Brake (Rear)
789C Off-Highway Truck Air System and Brakes

Accumulator (Brake)
789C Off-Highway Truck Air System and Brakes

Solenoid Valve (Cooling Diverter)
789C Off-Highway Truck Air System and Brakes

Tool Operating Manual

149-7173 Bearing Handling Bracket Assembly {0374, 0599, 0629, 0632, 4006, 4008, 7551}
149-7173 Bearing Handling Bracket Assembly {0374, 0599, 0629, 0632, 4006, 4008, 7551}

193-4124 Rear Wheel Bearing Preload Adjuster for 793 Off-Highway Trucks{0374, 0599, 0700, 0722, 0727, 0731}
193-4124 Rear Wheel Bearing Preload Adjuster for 793 Off-Highway Trucks{0374, 0599, 0700, 0722, 0727, 0731}

Rear Final Drive Brake and Wheel Group Assembly and Disassembly System{0374, 0599, 0700, 0727, 0730, 0731}
Rear Final Drive Brake and Wheel Group Assembly and Disassembly System{0374, 0599, 0700, 0727, 0730, 0731}

Service Letter-China

Service Letter-Asia

Systems Operation

Service and Parking Brake
789C Off-Highway Truck/Tractor Air System and Brakes

Towing
789C Off-Highway Truck/Tractor Air System and Brakes

Reuse And Salvage Guidelines

Procedure to Salvage Tang Slots on Transmission and Brake Pistons {0679, 3160, 4011, 4251}
Procedure to Salvage Tang Slots on Transmission and Brake Pistons {0679, 3160, 4011, 4251}

Salvage of Brake Housings Used on Off-Highway Trucks{4001, 4251, 4267}
Salvage of Brake Housings Used on Off-Highway Trucks{4001, 4251, 4267}

Service Brakes for Off-Highway Trucks and Tractors {4006, 4008, 4251, 4254, 4255, 4256, 4273}
Service Brakes for Off-Highway Trucks and Tractors {4006, 4008, 4251, 4254, 4255, 4256, 4273}

Final Drive Steering System, Wheel Braking System, and Wheels & Tires Salvage and Reuse Manual Contents {4000, 4050, 4100, 4250, 4300}
Final Drive Steering System, Wheel Braking System, and Wheels & Tires Salvage and Reuse Manual Contents {4000, 4050, 4100, 4250, 4300}

Brake Clutch Discs and Plates Using Extended Life Friction Material{4251, 4255, 4256, 4260, 4267, 4273}
Brake Clutch Discs and Plates Using Extended Life Friction Material{4251, 4255, 4256, 4260, 4267, 4273}

Thermal Spray Procedures for 772 - 797F OHT Brake Anchor {0374, 0599, 0679, 4251, 4267}
Thermal Spray Procedures for 772 - 797F OHT Brake Anchor {0374, 0599, 0679, 4251, 4267}

Thermal Spray Procedures for OHT Rear Duo-Cone Seal Retainer and Spacer {0679, 4051, 4201, 4251, 4267}
Thermal Spray Procedures for OHT Rear Duo-Cone Seal Retainer and Spacer {0679, 4051, 4201, 4251, 4267}

Procedure to Inspect and Repair the Front Wheels on 785 - 797 Off-Highway Truck {0599, 0700, 0730, 0731, 4006, 4200, 4209, 4251}
Procedure to Inspect and Repair the Front Wheels on 785 - 797 Off-Highway Truck {0599, 0700, 0730, 0731, 4006, 4200, 4209, 4251}

Information Release Memo

DUO-CONE® SEAL PLATE AVAILABLE FOR 772B-789C OFF-HIGHWAY
DUO-CONE® SEAL PLATE AVAILABLE FOR 772B-789C OFF-HIGHWAY

CAT REMAN ANNOUNCES REMAN DUO-CONE SEAL GROUPS
CAT REMAN ANNOUNCES REMAN DUO-CONE SEAL GROUPS

Service Letter-APD

Testing and Adjusting

Brake Cooling Pressure - Check
789C Off-Highway Truck/Tractor Air System and Brakes

Parking Brake Release Pressure - Test
740 Articulated Truck, 768C, 769C, 769D, 772B, 773B, 773D, 773E, 773F, 776, 776B, 776C, 776D, 777, 777B, 777C, 777D, 777F, 784B, 784C, 785, 785B, 785C, 785D, 789, 789B, 789C, 789D, 793, 793B, 793C and 793D Off-Highway Trucks and 771C, 771D, 775B, 775D, 775E and 775F Quarry Trucks Automatic Electronic Traction Aid (AETA)

Parking Brake Control Pressure - Test
740 Articulated Truck, 768C, 769C, 769D, 772B, 773B, 773D, 773E, 773F, 776, 776B, 776C, 776D, 777, 777B, 777C, 777D, 777F, 784B, 784C, 785, 785B, 785C, 785D, 789, 789B, 789C, 789D, 793, 793B, 793C and 793D Off-Highway Trucks and 771C, 771D, 775B, 775D, 775E and 775F Quarry Trucks Automatic Electronic Traction Aid (AETA)

Parking and Secondary Brake Release System Leakage - Check
740 Articulated Truck, 768C, 769C, 769D, 772B, 773B, 773D, 773E, 773F, 776, 776B, 776C, 776D, 777, 777B, 777C, 777D, 777F, 784B, 784C, 785, 785B, 785C, 785D, 789, 789B, 789C, 789D, 793, 793B, 793C and 793D Off-Highway Trucks and 771C, 771D, 775B, 775D, 775E and 775F Quarry Trucks Automatic Electronic Traction Aid (AETA)

Service Brake Discs - Check
789C Off-Highway Truck/Tractor Air System and Brakes

Parking Brake System Pressure - Test and Adjust
789C Off-Highway Truck/Tractor Air System and Brakes

Parking and Secondary Brake Release System Leakage - Check
789C Off-Highway Truck/Tractor Air System and Brakes

Towing the Machine - Preparation
789C Off-Highway Truck/Tractor Air System and Brakes

Internal Brake Leakage - Check
789C Off-Highway Truck/Tractor Air System and Brakes

Service Brakes and Retarder System Leakage - Check
789C Off-Highway Truck/Tractor Air System and Brakes

Service Brakes and Retarder System Pressure - Test
789C Off-Highway Truck/Tractor Air System and Brakes

Disassembly and Assembly

Duo-Cone Seals - Install
789C Off-Highway Truck Machine Systems

Service and Parking Brake (Rear) - Remove
789C Off-Highway Truck Power Train

Service and Parking Brake (Rear) - Install
789C Off-Highway Truck Power Train

Service and Parking Brake (Rear) - Disassemble
789C Off-Highway Truck Power Train

Service and Parking Brake (Rear) - Assemble
789C Off-Highway Truck Power Train

Service and Parking Brake (Front) - Disassemble
789C Off-Highway Truck Machine Systems

Service and Parking Brake (Front) - Assemble
789C Off-Highway Truck Machine Systems

Wheel, Brake and Suspension (Front) - Remove
789C Off-Highway Truck Machine Systems

Wheel, Brake and Suspension (Front) - Install
789C Off-Highway Truck Machine Systems

Service and Parking Brake (Front) - Remove and Install
789C Off-Highway Truck Machine Systems

Duo-Cone Seals - Install
789C Off-Highway Truck Machine Systems

Service Magazine

Improved Brake Hubs Now Available For Certain Off-Highway Trucks {4061,4251}
1999/02/15

New 157-6186 Duo-Cone Seal Available For Certain Off-Highway Trucks {7561}
1999/03/29

Duo-Cone Seal Kits Have Changed for Off-Highway Trucks {4208, 4251, 7561}
2000/03/06

New Seal Retainers and a New Plate Are Used with Duo-Cone Seals in Order to Increase Performance {4251, 4267, 7561}
2000/05/22

Duo-Cone Seal Kits Have Changed for Off-Highway Trucks {7561}
2000/10/16

New Final Drive Groups Are Used to Improve Service Life {4008, 4050, 4208, 4251}
2001/10/01

New Brake Hubs and New Friction Discs Are Used for Improved Service Life {4251, 4267}
2001/08/06

Correction to Testing and Adjusting , "Operation Checks" {4250, 4251, 4267}
2001/09/24

Correction to Testing and Adjusting , "Worksheets" {4250, 4251, 4267}
2001/09/24

Maximizing Off-Highway Truck Brake System Life and Improving Reliability {4251}
2002/07/29

New Brake Discs with Improved Service Life Are Now Available {4251, 4267}
2004/12/13

Check the Access Hole for the Wear Indicator for the Front Brakes {4251, 4267}
2006/08/07

A New Friction Disc Improves the Field Service of the Machines {4251, 4267}
2007/09/24

New Toric Rings Update the Duo-Cone Seal Groups {4001, 4051, 4201}
2008/05/05

A New Seal Is Now Used for Oil Cooled Disc Brakes on Certain Cat Products {4251, 4267}
2010/01/14

Brake Wear Indicators Upgrade and Retrofit Now Available on Certain Off-Highway Trucks {4251, 4255, 7450}
2011/03/11

The Service and Parking Brake Group Friction Discs Are Improved on Certain Off-Highway Trucks {4251}
2011/12/19

The Fluid Recommendation and Front Wheel Bearing Cover Has Been Updated on the Wheel and Brake Group of Certain Off-Highway Trucks {4006, 4201, 4205}
The Fluid Recommendation and Front Wheel Bearing Cover Has Been Updated on the Wheel and Brake Group of Certain Off-Highway Trucks {4006, 4201, 4205}

Procedure to Inspect and Repair the Front Wheels on Certain 785 and 789 Off-Highway Trucks is Available {0599, 0700, 0730, 0731, 4006, 4200, 4201, 4209, 4251}
Procedure to Inspect and Repair the Front Wheels on Certain 785 and 789 Off-Highway Trucks is Available {0599, 0700, 0730, 0731, 4006, 4200, 4201, 4209, 4251}

Improved Front Wheel Group Bearings are Now Used on Certain 785 and 789 Off-Highway Trucks {4006, 4201, 4205, 7551}
Improved Front Wheel Group Bearings are Now Used on Certain 785 and 789 Off-Highway Trucks {4006, 4201, 4205, 7551}

Brake Group Part Compatibility Check for Certain Off-Highway Trucks {4267, 7251}
Brake Group Part Compatibility Check for Certain Off-Highway Trucks {4267, 7251}

CONTROL GP

Operation and Maintenance Manual

Braking System - Test
789C Off-Highway Truck

Special Instruction

Service Letter-NACD

PRODUCT SUPPORT PROGRAM FOR REPLACING THE BRAKE PEDAL SPRING AND TREADLE FOR THE SERVICE BRAKE AND SECONDARY BRAKE ON CERTAIN 776D OFF-HIGHWAY TRACTORS; AND ON CERTAIN 769D, 771D, 773E, 775E, 777D, 785C, 789C, AND 793C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE BRAKE PEDAL SPRING AND TREADLE FOR THE SERVICE BRAKE AND SECONDARY BRAKE ON CERTAIN 776D OFF-HIGHWAY TRACTORS; AND ON CERTAIN 769D, 771D, 773E, 775E, 777D, 785C, 789C, AND 793C OFF-HIGHWAY TRUCKS

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Technical Information Bulletin

REPORTING FAILURES OF BRAKE RELAY VALVES USED IN OFF-HIGHWAY TRUCKS
REPORTING FAILURES OF BRAKE RELAY VALVES USED IN OFF-HIGHWAY TRUCKS

Specifications

Pressure Protection Valve (Air System)
789C Off-Highway Truck Air System and Brakes

Relay Valve (Brake Air)
789C Off-Highway Truck Air System and Brakes

Pressure Protection Valve (Brake Air System)
789C Off-Highway Truck Air System and Brakes

Inverter Valve (Secondary Brake)
789C Off-Highway Truck Air System and Brakes

Retarder Control Valve - Automatic
789C Off-Highway Truck Air System and Brakes

Service Letter-China

Service Letter-Asia

Systems Operation

Pressure Protection Valve (Air System)
789C Off-Highway Truck/Tractor Air System and Brakes

Check Valve (Double)
789C Off-Highway Truck/Tractor Air System and Brakes

Pressure Protection Valve (Brake Air System)
789C Off-Highway Truck/Tractor Air System and Brakes

Relay Valve (Brake Air)
789C Off-Highway Truck/Tractor Air System and Brakes

Retarder Control Valve - Automatic
789C Off-Highway Truck/Tractor Air System and Brakes

Inverter Valve (Secondary Brake)
789C Off-Highway Truck/Tractor Air System and Brakes

Check Valve (Double)
789C Off-Highway Truck/Tractor Air System and Brakes

Reuse And Salvage Guidelines

Service Letter-APD

Testing and Adjusting

Automatic Retarder - Calibrate
69D, 769D , 773D, 773E, 776D, 777D, 784C, 785C, 785D, 789C, 789D, 793C and 793D Off-Highway Trucks and 771D, 775D and 775E Quarry Trucks Braking System

Troubleshooting

MID 027 - CID 0681 - FMI 03
784C, 785C, 785D, 789C, 789D, 793C and 793D Off-Highway Trucks Power Train Electronic Control System

MID 027 - CID 0681 - FMI 05
784C, 785C, 785D, 789C, 789D, 793C and 793D Off-Highway Trucks Power Train Electronic Control System

MID 027 - CID 0681 - FMI 06
784C, 785C, 785D, 789C, 789D, 793C and 793D Off-Highway Trucks Power Train Electronic Control System

Disassembly and Assembly

Air Control Valve (Parking Brake) - Remove and Install
789C Off-Highway Truck Machine Systems

Inverter Valve (Secondary Brake) - Remove
789C Off-Highway Truck Machine Systems

Inverter Valve (Secondary Brake) - Install
789C Off-Highway Truck Machine Systems

Check Valve (Front Brake Cooler Diverter Valve) - Remove and Install
789C Off-Highway Truck Machine Systems

Inverter Valve (Secondary Brake) - Disassemble
789C Off-Highway Truck Machine Systems

Inverter Valve (Secondary Brake) - Assemble
789C Off-Highway Truck Machine Systems

Air Control Valve (Service Brake) - Install
789C Off-Highway Truck Machine Systems

Air Control Valve (Secondary Brake) - Remove
789C Off-Highway Truck Machine Systems

Check Valve (Retarder Control) - Remove and Install
789C Off-Highway Truck Machine Systems

Check Valve (Service Brake) - Remove and Install
789C Off-Highway Truck Machine Systems

Pressure Switch (Automatic Retarder Control) - Remove and Install
789C Off-Highway Truck Machine Systems

Air Control Valve (Secondary Brake) - Install
789C Off-Highway Truck Machine Systems

Air Control Valve (Service Brake) - Remove
789C Off-Highway Truck Machine Systems

Relay Valve (Brake Air) - Remove and Install
789C Off-Highway Truck Machine Systems

Check Valve (Front Air/Hydraulic Cylinder) - Remove and Install
789C Off-Highway Truck Machine Systems

Check Valve (Rear Air/Hydraulic Cylinder) - Remove and Install
789C Off-Highway Truck Machine Systems

Pressure Protection Valve (Brake Air System) - Remove and Install
789C Off-Highway Truck Machine Systems

Pressure Protection Valve (Air System) - Remove and Install
789C Off-Highway Truck Machine Systems

Service Magazine

Certain Parts of the 153-8338 Air Control Valve Gp and of the 143-8994 Air Control Valve Gp are Now Available {4265, 4290}
2001/04/23

An Improved Brake Relay Valve is Available for Certain Off-Highway Trucks {4265, 4269, 4280}
2001/01/22

Color Coded Dust Caps for S·O·S Ports Will Be Available {7770}
2003/12/01

A Parking Brake Reset Valve is Used on Certain Off-Highway Trucks {4284}
2002/05/27

Procedure to Install the Parking Brake Reset Valve {4267}
2002/12/02

The New Hand Retarder Has Improved Service Life {3121, 3123}
2004/04/12

The 784C, 785C, and 789C Off-Highway Truck/Tractor Are Now Equipped with An Hydraulic Automatic Retarder Control (ARC) System {3288, 4257, 4269, 4285, 4294, 4801}
2004/06/14

A Different Parking Brake Valve Is Now Used {4282}
2006/12/11

A New Air Control Valve Group is now Used in the Service Brake Control Groups on certain Off-Highway Trucks {4265, 4269, 5506}
2010/03/01

CYLINDER GP

Service Letter-NACD

PRODUCT SUPPORT PROGRAM FOR REPLACING THE 8X1422 CYLINDER ASSEMBLY ON CERTAIN 789C AND 789D OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE 8X1422 CYLINDER ASSEMBLY ON CERTAIN 789C AND 789D OFF-HIGHWAY TRUCKS

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Specifications

Air/Hydraulic Cylinder (Brake)
789C Off-Highway Truck Air System and Brakes

Limit Switch (Brake Cylinder Overstroke)
789C Off-Highway Truck Air System and Brakes

Service Letter-China

Service Letter-Asia

Systems Operation

Air/Hydraulic Cylinder (Brake)
789C Off-Highway Truck/Tractor Air System and Brakes

Reuse And Salvage Guidelines

Testing Hydraulic Cylinders Using the <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}

Service Letter-APD

Bench Test Procedures

Disassembly and Assembly

Air/Hydraulic Cylinder (Front Brake) - Remove
789C Off-Highway Truck Machine Systems

Air/Hydraulic Cylinder (Front Brake) - Install
789C Off-Highway Truck Machine Systems

Air/Hydraulic Cylinder (Brake) - Disassemble
789C Off-Highway Truck Machine Systems

Air/Hydraulic Cylinder (Brake) - Assemble
789C Off-Highway Truck Machine Systems

Air/Hydraulic Cylinder (Rear Brake) - Remove
789C Off-Highway Truck Machine Systems

Air/Hydraulic Cylinder (Rear Brake) - Install
789C Off-Highway Truck Machine Systems

Service Magazine

Double Lip Wiper Seals Must Be Installed Properly {7562}
2002/12/09

A New Valve in the Brake Cylinder Gp has an Improved Service Life {4277}
2005/09/12

A New Cylinder Kit Updates the Brake Air/Hydraulic Cylinder {4277}
2008/05/12

FILTER GP

Specifications

Oil Filter (Parking Brake Release)
789C Off-Highway Truck Air System and Brakes

Systems Operation

Oil Filter (Parking Brake Release)
789C Off-Highway Truck/Tractor Air System and Brakes

Service Magazine

Certain Off-Highway Trucks Are Now Shipped with Cleanout Filters For Hydraulic Systems {5068}
2004/06/21

Color Coded Dust Caps for S·O·S Ports Will Be Available {7770}
2003/12/01

New Oil Filters for all Cat Machines are Available {3004, 3067, 4295, 431F, 5068}
New Oil Filters for all Cat Machines are Available {3004, 3067, 4295, 431F, 5068}

LINES GP

Operation and Maintenance Manual

Air/Hydraulic Cylinder Breather - Clean
789C Off-Highway Truck

Parking Brake Release Oil Filter - Replace
789C Off-Highway Truck

Service Brakes - Inspect
789C Off-Highway Truck

Front Axle Breather - Replace
789C Off-Highway Truck

Special Instruction

Hose and Coupling Assembly and Repair Process Guide{0684, 3016, 3103, 3154, 4133, 4257, 4304, 5057, 7554}
Hose and Coupling Assembly and Repair Process Guide{0684, 3016, 3103, 3154, 4133, 4257, 4304, 5057, 7554}

O-Rings - Radial, Fitting Assembly O-Rings and Other O-Ring Applications {0599, 0738, 4000, 4250, 4300, 5050, 5057, 7555}
O-Rings - Radial, Fitting Assembly O-Rings and Other O-Ring Applications {0599, 0738, 4000, 4250, 4300, 5050, 5057, 7555}

Service Letter-NACD

PRODUCT SUPPORT PROGRAM FOR REPLACING THE FRONT BRAKE SHUTTLE VALVE ON CERTAIN 784C, 785C, AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE FRONT BRAKE SHUTTLE VALVE ON CERTAIN 784C, 785C, AND 789C OFF-HIGHWAY TRUCKS

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Specifications

Check Valve (Brake Release Pump)
789C Off-Highway Truck Air System and Brakes

Brake Release Pump and Motor (Parking and Secondary)
789C Off-Highway Truck Air System and Brakes

Service Letter-China

Service Letter-Asia

Reuse And Salvage Guidelines

Service Letter-APD

Service Magazine

Improved Air Breather Available For Certain Off-Highway Trucks {3260,4257}
1999/11/15

The 784C, 785C, and 789C Off-Highway Truck/Tractor Are Now Equipped with An Hydraulic Automatic Retarder Control (ARC) System {3288, 4257, 4269, 4285, 4294, 4801}
2004/06/14

Information Release Memo, PELJ0481 , "Product Line Expansion for Caterpillar Low and Medium Pressure Hose and Coupling Products" {5057}
2005/02/21

A New Check Valve Prevents an Overstroke of the Front Brake {4257}
2008/10/20

SERVICE GP

Check the Access Hole for the Wear Indicator for the Front Brakes {4251, 4267}
2006/08/07

SLACK ADJUSTER GP

Technical Information Bulletin

The Slack Adjuster Piston Assembly May Seize on Certain Large Off-Highway Trucks {4261}
The Slack Adjuster Piston Assembly May Seize on Certain Large Off-Highway Trucks {4261}

Specifications

Slack Adjuster (Front)
789C Off-Highway Truck Air System and Brakes

Slack Adjuster (Rear)
789C Off-Highway Truck Air System and Brakes

Systems Operation

Slack Adjuster
789C Off-Highway Truck/Tractor Air System and Brakes

Testing and Adjusting

Slack Adjuster - Test and Adjust
789C Off-Highway Truck/Tractor Air System and Brakes

Disassembly and Assembly

Slack Adjuster (Front) - Remove
789C Off-Highway Truck Machine Systems

Slack Adjuster (Rear) - Remove
789C Off-Highway Truck Machine Systems

Slack Adjuster (Front) - Install
789C Off-Highway Truck Machine Systems

Slack Adjuster (Rear) - Install
789C Off-Highway Truck Machine Systems

Slack Adjuster - Disassemble
789C Off-Highway Truck Machine Systems

Slack Adjuster - Assemble
789C Off-Highway Truck Machine Systems

Service Magazine

New Slack Adjusters are Used for Improved Service Life {0731, 4261}
2002/03/25

The Slack Adjusters Have a New Housing {4261}
2005/01/17

TANK GP

Operation and Maintenance Manual

Air Tank Moisture and Sediment - Drain
789C Off-Highway Truck

Air Tank - Inspect
789C Off-Highway Truck

Brake Tank (Makeup) - Clean
789C Off-Highway Truck

Special Instruction

Inspection of the Air Tanks on the Off-Highway Trucks and Tractors {4272, 5505, 7428}
Inspection of the Air Tanks on the Off-Highway Trucks and Tractors {4272, 5505, 7428}

Specifications

Relief Valve (Primary Air Tank)
789C Off-Highway Truck Air System and Brakes

Air Tank (Secondary)
789C Off-Highway Truck Air System and Brakes

Air Tank (Primary)
789C Off-Highway Truck Air System and Brakes

Systems Operation

Air Tank
789C Off-Highway Truck/Tractor Air System and Brakes

Reuse And Salvage Guidelines

Filtration Times for Caterpillar Machine Fluid Compartments{0680, 0738, 0768, 3080, 5050, 5056, 5095}
Filtration Times for Caterpillar Machine Fluid Compartments{0680, 0738, 0768, 3080, 5050, 5056, 5095}

Contamination Control Guidelines

Disassembly and Assembly

Check Valve (Secondary Air Tank) - Remove and Install
789C Off-Highway Truck Machine Systems

Brake Tank (Makeup) - Remove and Install
789C Off-Highway Truck Machine Systems

Air Tank (Secondary) - Remove and Install
789C Off-Highway Truck Machine Systems

Air Tanks (Brake) - Purge
789C Off-Highway Truck Machine Systems

Air Tank (Primary) - Remove and Install
789C Off-Highway Truck Machine Systems

Relief Valve (Air Tank) - Remove and Install
789C Off-Highway Truck Machine Systems

Air Tanks (Brake) - Purge
789C Off-Highway Truck Engine Supplement

Service Magazine

TOOLS

Truck Engine News

New Infrared Thermometer Has Narrow, 50:1 Target Ratio, Wide Temperature Range {0776, 1350, 3000, 4000, 4150, 4250}
2006/03/01

Special Instruction

Hose Inspection Form {0374, 0599, 5057, 5057}
Hose Inspection Form {0374, 0599, 5057, 5057}

Tool Operating Manual

Base-Mounted Recirculating Parts Washers{0374, 0599, 0680, 0699, 0700}
Base-Mounted Recirculating Parts Washers{0374, 0599, 0680, 0699, 0700}

HVOF Identifier 396-9342 Group{0599, 0669, 0679, 7000}
HVOF Identifier 396-9342 Group{0599, 0669, 0679, 7000}

4-Inch Radial Hose Machine{0374, 0599, 0684, 0738, 5057}
4-Inch Radial Hose Machine{0374, 0599, 0684, 0738, 5057}

Procedures for Using the 212-1503 Portable Parts Washer{0374, 0599, 0680, 0699, 0700}
Procedures for Using the 212-1503 Portable Parts Washer{0374, 0599, 0680, 0699, 0700}

Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}
Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}

Installing 457-6030 (C3-290 Controller) on Hose Crimping Machines 233-8048, 286-4354, 286-4355, 275-6199, 286-4353, and 233-8038{0374, 0599, 0684, 0700, 0738, 5057}
Installing 457-6030 (C3-290 Controller) on Hose Crimping Machines 233-8048, 286-4354, 286-4355, 275-6199, 286-4353, and 233-8038{0374, 0599, 0684, 0700, 0738, 5057}

NEHS1214: 455-0126 Nitrogen Booster Pump Group {0374, 0599, 0647, 0756, 4263, 4331, 5077, 7200}
NEHS1214: 455-0126 Nitrogen Booster Pump Group {0374, 0599, 0647, 0756, 4263, 4331, 5077, 7200}

Base Mounted Recirculating Parts Washers {0374, 0599, 0680, 0699, 0700}
Base Mounted Recirculating Parts Washers {0374, 0599, 0680, 0699, 0700}

Reuse And Salvage Guidelines

Bench Test Procedures

Service Magazine

243-3133 Quick Connect Coupler (Fluid Sampling) Provides A Coupler for Portable Particle Analyzers {0707, 0717, 0731, 0732, 0738}
2004/07/01

Test Kit Checks Oil Coolers for Leaks {0768, 0781, 0783, 0784}
2004/12/27

VALVE GP

Service Letter-NACD

PRODUCT SUPPORT PROGRAM FOR REPLACING THE MANUAL RETARDER VALVE GROUP ON CERTAIN 785C, 789C, AND 793C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MANUAL RETARDER VALVE GROUP ON CERTAIN 785C, 789C, AND 793C OFF-HIGHWAY TRUCKS

PRODUCT IMPROVEMENT PROGRAM FOR INSTALLING IMPROVED RETAINING RINGS FOR PIN RETENTION ON THE BRAKE PEDAL VALVES OF CERTAIN OFF-HIGHWAY TRACTORS AND OFF-HIGHWAY TRUCKS
PRODUCT IMPROVEMENT PROGRAM FOR INSTALLING IMPROVED RETAINING RINGS FOR PIN RETENTION ON THE BRAKE PEDAL VALVES OF CERTAIN OFF-HIGHWAY TRACTORS AND OFF-HIGHWAY TRUCKS

PRODUCT SUPPORT PROGRAM FOR REPLACING 1400212 BRAKE VALVE FOR THE SERVICE BRAKE VALVE ON CERTAIN 785C, 789C, AND 789D OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING 1400212 BRAKE VALVE FOR THE SERVICE BRAKE VALVE ON CERTAIN 785C, 789C, AND 789D OFF-HIGHWAY TRUCKS

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Specifications

Brake Valve (Parking and Secondary)
789C Off-Highway Truck Air System and Brakes

Pressure Switch (Automatic Retarder Control)
789C Off-Highway Truck Air System and Brakes

Check Valve (Brake Release Pump)
789C Off-Highway Truck Air System and Brakes

Air Control Valve (Retarder)
789C Off-Highway Truck Air System and Brakes

Check Valve (Service Brake Control)
789C Off-Highway Truck Air System and Brakes

Air Control Valve (Retarder)
789C Off-Highway Truck Air System and Brakes

Retarder Control Valve - Automatic
789C Off-Highway Truck Air System and Brakes

Service Letter-China

Service Letter-Asia

Systems Operation

Check Valve (Double)
789C Off-Highway Truck/Tractor Air System and Brakes

Check Valve (Air Tank)
789C Off-Highway Truck/Tractor Air System and Brakes

Air Control Valve (Service Brake)
789C Off-Highway Truck/Tractor Air System and Brakes

Air Control Valve (Secondary Brake)
789C Off-Highway Truck/Tractor Air System and Brakes

Air Control Valve (Parking Brake)
789C Off-Highway Truck/Tractor Air System and Brakes

Brake Valve (Parking and Secondary)
789C Off-Highway Truck/Tractor Air System and Brakes

Air Control Valve (Retarder)
789C Off-Highway Truck/Tractor Air System and Brakes

Relief Valve (Rear Brake Oil Cooler)
789C Off-Highway Truck/Tractor Air System and Brakes

Solenoid Valves
69D, 769D , 773D, 773E, 776D, 777D, 784C, 785C, 785D, 789C, 789D, 793C and 793D Off-Highway Trucks and 771D, 775D and 775E Quarry Trucks Braking System

Retarder Control Valve - Automatic
789C Off-Highway Truck/Tractor Air System and Brakes

Check Valve (Double)
789C Off-Highway Truck/Tractor Air System and Brakes

Solenoid Valves
69D, 769D , 773D, 773E, 776D, 777D, 784C, 785C, 785D, 789C, 789D, 793C and 793D Off-Highway Trucks and 771D, 775D and 775E Quarry Trucks Braking System

Reuse And Salvage Guidelines

Service Letter-APD

Testing and Adjusting

Relief Valve (Electric Drive Pump) - Adjust
789C Off-Highway Truck/Tractor Air System and Brakes

Relief Valve (Rear Brake Oil Cooler) - Test and Adjust
789C Off-Highway Truck/Tractor Air System and Brakes

Troubleshooting

MID 116 - CID 0714 - FMI 03
69D, 769D , 773D, 773E, 776D, 777D, 784C, 785C, 785D, 789C, 789D, 793C and 793D Off-Highway Trucks and 771D, 775D and 775E Quarry Trucks Braking System

MID 116 - CID 1231 - FMI 03
69D, 769D , 773D, 773E, 776D, 777D, 784C, 785C, 785D, 789C, 789D, 793C and 793D Off-Highway Trucks and 771D, 775D and 775E Quarry Trucks Braking System

MID 116 - CID 1231 - FMI 05
69D, 769D , 773D, 773E, 776D, 777D, 784C, 785C, 785D, 789C, 789D, 793C and 793D Off-Highway Trucks and 771D, 775D and 775E Quarry Trucks Braking System

MID 116 - CID 1231 - FMI 06
69D, 769D , 773D, 773E, 776D, 777D, 784C, 785C, 785D, 789C, 789D, 793C and 793D Off-Highway Trucks and 771D, 775D and 775E Quarry Trucks Braking System

Disassembly and Assembly

Air Control Valve (Manual Retarder) - Disassemble
789C Off-Highway Truck Machine Systems

Air Control Valve (Manual Retarder) - Assemble
789C Off-Highway Truck Machine Systems

Brake Valve (Automatic Retarder) - Disassemble
789C Off-Highway Truck Machine Systems

Brake Valve (Automatic Retarder) - Assemble
789C Off-Highway Truck Machine Systems

Check Valve (Front Brake Cooler Diverter Valve) - Remove and Install
789C Off-Highway Truck Machine Systems

Air Control Valve (Service Brake) - Install
789C Off-Highway Truck Machine Systems

Check Valve (Retarder Control) - Remove and Install
789C Off-Highway Truck Machine Systems

Check Valve (Service Brake) - Remove and Install
789C Off-Highway Truck Machine Systems

Pressure Switch (Automatic Retarder Control) - Remove and Install
789C Off-Highway Truck Machine Systems

Air Control Valve (Manual Retarder) - Remove
789C Off-Highway Truck Machine Systems

Air Control Valve (Manual Retarder) - Install
789C Off-Highway Truck Machine Systems

Check Valve (Double) - Disassemble
789C Off-Highway Truck Machine Systems

Check Valve (Double) - Assemble
789C Off-Highway Truck Machine Systems

Diverter Valve (Torque Converter and Front Brake Cooling) - Remove
789C Off-Highway Truck Machine Systems

Diverter Valve (Torque Converter and Front Brake Cooling) - Disassemble
789C Off-Highway Truck Machine Systems

Diverter Valve (Torque Converter and Front Brake Cooling) - Assemble
789C Off-Highway Truck Machine Systems

Diverter Valve (Torque Converter and Front Brake Cooling) - Install
789C Off-Highway Truck Machine Systems

Brake Valve (Parking and Secondary) - Remove
789C Off-Highway Truck Machine Systems

Brake Valve (Parking and Secondary) - Install
789C Off-Highway Truck Machine Systems

Brake Valve (Parking and Secondary) - Disassemble
789C Off-Highway Truck Machine Systems

Brake Valve (Parking and Secondary) - Assemble
789C Off-Highway Truck Machine Systems

Air Control Valve (Service Brake) - Remove
789C Off-Highway Truck Machine Systems

Check Valve (Front Air/Hydraulic Cylinder) - Remove and Install
789C Off-Highway Truck Machine Systems

Check Valve (Rear Air/Hydraulic Cylinder) - Remove and Install
789C Off-Highway Truck Machine Systems

Brake Valve (Automatic Retarder) - Remove
789C Off-Highway Truck Machine Systems

Brake Valve (Automatic Retarder) - Install
789C Off-Highway Truck Machine Systems

Service Magazine

New Brake Relief Valves Increase Service Life {4265, 4282}
2001/05/07

A New Spring Is Used in the Brake Pedal for Improved Service Life and for Improved Operator Comfort {4265, 4282}
2004/02/23

243-3133 Quick Connect Coupler (Fluid Sampling) Provides A Coupler for Portable Particle Analyzers {0707, 0717, 0731, 0732, 0738}
2004/07/01

A New Coil Assembly is Now Used {5479}
2011/05/04

A Troubleshooting Guide for the Retarder Valve for the Brakes on Certain Small Off-Highway Trucks and Large Off-Highway Trucks {5506}
2015/05/29

Solenoid Valve Gp Can Be Serviceable on Certain Off-Highway Trucks {5479}
2015/03/17

MOTOR GP

Tool Operating Manual

Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}

Reuse And Salvage Guidelines

Specifications and Reusability for Hydraulic Gear Pumps and Motors{5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors{5061, 5073}

Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}

General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}

PUMP GP

Special Instruction

Nexus Gear Pump Porting{5073}
Nexus Gear Pump Porting{5073}

Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}

Vane Type Hydraulic Pump Identification Guidelines {5055}
Vane Type Hydraulic Pump Identification Guidelines {5055}

Specifications

Gear Pump (Hoist and Rear Brake Cooling)
789C Off-Highway Truck Air System and Brakes

Gear Pump (Torque Converter, Parking Brake Release, and Brake Cooling)
789C Off-Highway Truck Air System and Brakes

Gear Pump (Hoist and Rear Brake Cooling)
789C Off-Highway Truck Air System and Brakes

Gear Pump (Torque Converter, Parking Brake Release, and Brake Cooling)
789C Off-Highway Truck/Tractor

Brake Release Pump and Motor (Parking and Secondary)
789C Off-Highway Truck Air System and Brakes

Tool Operating Manual

Systems Operation

Gear Pump (Torque Converter, Parking Brake Release, and Brake Cooling)
789C Off-Highway Truck Power Train

Gear Pump (Hoist and Rear Brake Cooling)
789C Off-Highway Truck Hydraulic System

Gear Pump (Torque Converter, Parking Brake Release, and Brake Cooling)
789C Off-Highway Truck/Tractor Air System and Brakes

Gear Pump (Hoist and Rear Brake Cooling)
789C Off-Highway Truck/Tractor Air System and Brakes

Reuse And Salvage Guidelines

Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}

Specifications and Reusability for Hydraulic Gear Pumps and Motors{5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors{5061, 5073}

Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 4, 5, and 6) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 4, 5, and 6) {5061, 5073}

Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}

Vane Type Hydraulic Pump Identification Guidelines {5055}
Vane Type Hydraulic Pump Identification Guidelines {5055}

General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}

Testing and Adjusting

Gear Pump (Hoist and Rear Brake Cooling) Efficiency - Test
789C Off-Highway Truck Hydraulic System

Relief Valve (Electric Drive Pump) - Adjust
789C Off-Highway Truck/Tractor Air System and Brakes

Bench Test Procedures

Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Gear Pumps {5073}

Disassembly and Assembly

Gear Pump (Hoist and Rear Brake Cooling) - Remove
789C Off-Highway Truck Machine Systems

Gear Pump (Hoist and Rear Brake Cooling) - Install
789C Off-Highway Truck Machine Systems

Gear Pump (Torque Converter, Parking Brake Release and Brake Cooling) - Remove
789C Off-Highway Truck Machine Systems

Gear Pump (Torque Converter, Parking Brake Release and Brake Cooling) - Assemble
789C Off-Highway Truck Machine Systems

Gear Pump (Torque Converter, Parking Brake Release and Brake Cooling) - Disassemble
789C Off-Highway Truck Machine Systems

Gear Pump (Torque Converter, Parking Brake Release and Brake Cooling) - Install
789C Off-Highway Truck Machine Systems

Electric Drive Pump (Parking and Secondary Brake Release) - Remove
789C Off-Highway Truck Machine Systems

Electric Drive Pump (Parking and Secondary Brake Release) - Install
789C Off-Highway Truck Machine Systems

Electric Drive Pump (Parking and Secondary Brake Release) - Assemble
789C Off-Highway Truck Machine Systems

Electric Drive Pump (Parking And Secondary Brake Release) - Disassemble
789C Off-Highway Truck Machine Systems

Gear Pump (Hoist and Rear Brake Cooling) - Disassemble
789C Off-Highway Truck Machine Systems

Gear Pump (Hoist and Rear Brake Cooling) - Assemble
789C Off-Highway Truck Machine Systems

Service Magazine

New Clamps Are Available for the Prelube Pump {1469, 4354}
2005/05/30

Wear that is Acceptable in Specific Gear Pumps {4007, 5073, 5073, 7516}
2008/02/04

COOLER GP

Test Kit Checks Oil Coolers for Leaks {0768, 0781, 0783, 0784}
2004/12/27

Truck sale:

Caterpillar 789C, Construction
- Articulated Dump Trucks (ADTs)
CATERPILLAR FINANCIAL SERVICES CORPORATION

316,250

Caterpillar 789C, Construction
- Articulated Dump Trucks (ADTs)
CATERPILLAR FINANCIAL SERVICES CORPORATION

CATERPILLAR 789C 2011
- OFF HIGHWAY TRUCKS
CARTER MACHINERY
United States

CATERPILLAR 789C 2012
- OFF HIGHWAY TRUCKS
CARTER MACHINERY
United States