Brake Hydraulic System
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| Illustration 1 | g00555970 |
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(1) Left rear wheel brake
(2) Makeup tank for brake oil (3) Feed for brake cooling on the pulled unit (4) Makeup tank for brake oil for the pulled unit (5) Brake master cylinders (pulled unit) (6) Feed for brakes on the pulled unit (7) Left front wheel brake (8) Air breathers (9) Torque converter lockup clutch and synchronizing valve (10) Torque converter and front brake cooling diverter valve (11) Torque converter and front brake cooling oil cooler (12) Brake oil cooler for the pulled unit (13) Torque converter (14) Torque converter outlet relief valve (15) Pump drive (16) Section of the manifold with a relief valve (17) Transmission hydraulic control (18) Pulled unit brake cooling pump section (19) Parking brake release pump section (20) Transmission oil cooler (21) Transmission planetary (22) Torque converter charging pump section (23) Transmission cooler inlet relief valve (24) Torque converter scavenge pump section (25) Parking and secondary brake valve (26) Torque converter, parking brake release, and pulled unit brake cooling gear pump (27) Transmission charging pump section (28) Transmission lubrication pump section (29) Transmission scavenge pump section (30) Brake master cylinder (front) (31) Torque converter inlet relief valve (32) Electric drive pump check valve (33) Parking and secondary brake release electric drive pump (34) Transmission gear pump (35) Rear slack adjuster (36) Brake master cylinders (rear) (37) Traction control valve (38) Rear brake oil cooler relief valve (39) Pulled unit control valve (40) Front slack adjuster (41) Rear brake cooling pump section (42) Pulled unit hydraulic pump section (43) Feed for pulled unit hydraulics (44) Manifold (45) Rear brake oil cooler (46) Pulled unit hydraulics and rear brake cooling gear pump (47) Torque converter, pulled unit, brake, and transmission hydraulic tank (48) Feed for pulled unit hydraulics (49) Right rear wheel brake (50) Oil returns from pulled unit (51) Right front wheel brake | |
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| Illustration 2 | g00555971 |
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Top view of front service brake lines (2) Makeup tank for brake oil (25) Parking and secondary brake valve (30) Brake master cylinder (front) (40) Front slack adjuster | |
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| Illustration 3 | g00555973 |
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Side view of front service brake lines (25) Parking and secondary brake valve (30) Brake master cylinder (front) (40) Front slack adjuster | |
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| Illustration 4 | g00555975 |
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Top view of rear service brake lines (2) Makeup tank for brake oil (4) Makeup tank for brake oil for the pulled unit (5) Brake master cylinders (pulled unit) (13) Torque converter (25) Parking and secondary brake valve (26) Torque converter, parking brake release, and pulled unit brake cooling gear pump (33) Parking and secondary brake release electric drive pump (35) Rear slack adjuster (36) Brake master cylinders (rear) (47) Torque converter, pulled unit, brake, and transmission hydraulic tank (52) Parking brake release hydraulic filter | |
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| Illustration 5 | g00555976 |
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Side view of rear service brake lines (5) Brake master cylinders (pulled unit) (35) Rear slack adjuster (36) Brake master cylinders (rear) | |
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| Illustration 6 | g00555977 |
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Top view of oil cooler lines (10) Torque converter and front brake cooling diverter valve (11) Torque converter and front brake cooling oil cooler (12) Brake oil cooler for the pulled unit (13) Torque converter (25) Parking and secondary brake valve (26) Torque converter, parking brake release, and pulled unit brake cooling gear pump (47) Torque converter, pulled unit, brake, and transmission hydraulic tank (53) Torque converter and front brake cooling screen | |
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| Illustration 7 | g00555978 |
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Side view of oil cooler lines (10) Torque converter and front brake cooling diverter valve (11) Torque converter and front brake cooling oil cooler (12) Brake oil cooler for the pulled unit (13) Torque converter (25) Parking and secondary brake valve (26) Torque converter, parking brake release, and pulled unit brake cooling gear pump (45) Rear brake oil cooler (47) Torque converter, pulled unit, brake, and transmission hydraulic tank (53) Torque converter and front brake cooling screen | |
Caterpillar Information System:
793B Off-Highway Truck Differential and Final Drive Oil - Change
784B and 785B Off-Highway Truck Air System and Brakes Brake Hydraulic System
3306B Industrial Engine Serial Number Plate
793B Off-Highway Truck Cooling System Coolant (ELC) - Change
789B Off-Highway Truck Hydraulic System Hydraulic Components and Lines
Challenger 35, Challenger 45 and Challenger 55 Agricultural Tractors Mounting and Dismounting
Challenger 35, Challenger 45 and Challenger 55 Agricultural Tractors Electrical Storm Injury Prevention
784B and 785B Off-Highway Truck Air System and Brakes Air System
784B and 785B Off-Highway Truck Air System and Brakes Air System
789B Off-Highway Truck Air System and Brakes Air System Schematic
789B Off-Highway Truck Air System and Brakes Air System Schematic
950G Wheel Loader, 962G Wheel Loader and IT62G Integrated Toolcarrier Steering System Relief Valve (Pump Backup) - Test and Adjust - Conventional Steering
793B Off-Highway Truck Drive Shaft Slip Joint - Lubricate
950G and 962G Wheel Loaders and IT62G Integrated Toolcarrier Power Train Transmission Oil Pump - Disassemble
793B Off-Highway Truck Engine Air Filter Primary Element - Clean/Replace
793B Off-Highway Truck Engine Air Filter Service Indicator - Inspect
793B Off-Highway Truck Fan Drive Bearing and Belt Adjusting Pulley - Lubricate
793B Off-Highway Truck Frame and Body - Inspect
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 Service Tools
793B Off-Highway Truck Frame and Body Support Pads - Clean/Inspect
793B Off-Highway Truck Front Wheel Oil - Change
793B Off-Highway Truck Steering Linkage - Inspect
950G and 962G Wheel Loaders and IT62G Integrated Toolcarrier Power Train Transmission Oil Pump - Assemble
789B Off-Highway Truck Hydraulic System General Information