789B Off-Highway Truck Hydraulic System Caterpillar


Hydraulic System Schematic

Usage:

789B 7EK



Illustration 1g00456575

(1) Left rear wheel brake

(2) Air breathers

(3) Left front wheel brake

(4) Torque converter lockup clutch and synchronizing valve

(5) Makeup tank for brake oil

(6) Torque converter and front brake cooling oil cooler

(7) Torque converter

(8) Torque converter outlet relief valve

(9) Pump drive

(10) Rear brake cooling pump section

(11) Parking brake release pump section

(12) Torque converter charging pump section

(13) Torque converter scavenge pump section

(14) Transmission hydraulic control

(15) Torque converter inlet relief valve

(16) Transmission cooler inlet relief valve

(17) Transmission oil cooler

(18) Parking and secondary brake valve

(19) Torque converter and front brake cooling diverter valve

(20) Brake master cylinder (front)

(21) Brake master cylinders (rear)

(22) Transmission planetary

(23) Electric drive pump check valve

(24) Parking and secondary brake release electric drive pump

(25) Transmission charging section of the gear pump

(26) Transmission lubrication section of the gear pump

(27) Transmission scavenge section of the gear pump

(28) Rear slack adjuster

(29) Traction control valve

(30) Rear brake oil cooler relief valve

(31) Hoist control valve

(32) Rear brake cooling section of the gear pump

(33) Hoist section of the gear pump

(34) Front slack adjuster

(35) Right rear wheel brake

(36) Rear brake oil coolers

(37) Hoist counterbalance valve

(38) Hoist cylinders

(39) Hoist diverter valve

(40) Torque converter, hoist, brake, and transmission hydraulic tank

(41) Right front wheel brake

Caterpillar Information System:

793B Off-Highway Truck Lubricant Viscosities
Challenger 35, Challenger 45 and Challenger 55 Agricultural Tractors Fire Prevention and Explosion Prevention
950G and 962G Wheel Loaders and IT62G Integrated Toolcarrier Power Train Torque Converter - Assemble
793B Off-Highway Truck Changing Direction and Speed
Challenger 35, Challenger 45 and Challenger 55 Agricultural Tractors Burn Prevention
3500B and 3500B High Displacement Generator Set Engines Cold Cylinder Cutout
C15 and C18 Petroleum Generator Sets Engine Air Precleaner - Check/Clean
Challenger 35, Challenger 45 and Challenger 55 Agricultural Tractors Crushing Prevention and Cutting Prevention
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, 775 Control Box Lamp Checks
120H, 12H, 135H, 140H, 143H, 14H, 160H, 163H and 16H Motor Graders Caterpillar Monitoring System Main Display Module Initialization - Adjust
Challenger 35, Challenger 45 and Challenger 55 Agricultural Tractors Electronic Monitoring Center Bulbs - Replace
Challenger 35, Challenger 45 and Challenger 55 Agricultural Tractors Windshield Wipers - Inspect/Replace
793B Off-Highway Truck Brake Oil Cooler Screen - Clean
950G Wheel Loader, 962G Wheel Loader and IT62G Integrated Toolcarrier Steering System Relief Valve (Pump Backup) - Test and Adjust - Conventional Steering
789B Off-Highway Truck Air System and Brakes Air System Schematic
789B Off-Highway Truck Air System and Brakes Air System Schematic
784B and 785B Off-Highway Truck Air System and Brakes Air System
784B and 785B Off-Highway Truck Air System and Brakes Air System
Challenger 35, Challenger 45 and Challenger 55 Agricultural Tractors Electrical Storm Injury Prevention
Challenger 35, Challenger 45 and Challenger 55 Agricultural Tractors Mounting and Dismounting
789B Off-Highway Truck Hydraulic System Hydraulic Components and Lines
793B Off-Highway Truck Cooling System Coolant (ELC) - Change
3306B Industrial Engine Serial Number Plate
784B and 785B Off-Highway Truck Air System and Brakes Brake Hydraulic System
Back to top
The names Caterpillar, John Deere, JD, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
CH-Part.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only.