69D and 769D Off-Highway Truck and 771D Quarry Truck Air System and Brakes Caterpillar

Brake Hydraulic System

Usage:

769D 5SS

Schematic

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Illustration 1	g00528937
(1) Left rear wheel brake (2) Air breather (3) Left front wheel brake (4) Towing diverter valve (5) Secondary steering and brake release electric drive pump (6) Hoist and brake hydraulic tank (7) Parking brake release check valve (8) Brake pump section of the hoist and brake gear pump (9) Hoist pump section of the hoist and brake gear pump (10) Brake master cylinder (front) (11) Parking and secondary brake valve (12) Hoist and brake gear pump (13) Brake master cylinder (rear) (14) Hoist control valve (15) Rear slack adjuster (16) Rear brake oil cooler (17) Rear brake oil cooler relief valve (18) Makeup tank for brake oil (19) Hoist cylinders (20) Right rear wheel brake (21) Right front wheel brake

Location Of Components

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Illustration 2	g00532199
Top view of the front service brake lines (3) Left front wheel brake (10) Brake master cylinder (front) (13) Brake master cylinder (rear) (18) Makeup tank for brake oil

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Illustration 3	g00532368
Top view of rear service brake lines (4) Towing diverter valve (6) Hoist and brake hydraulic tank (10) Brake master cylinder (front) (11) Parking and secondary brake valve (12) Hoist and brake gear pump (13) Brake master cylinder (rear) (15) Rear slack adjuster (16) Rear brake oil cooler (18) Makeup tank for brake oil (25) Parking brake release hydraulic filter

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Illustration 4	g00532420
Side view of rear service brake lines (4) Towing diverter valve (5) Secondary steering and brake release electric drive pump (6) Hoist and brake hydraulic tank (11) Parking and secondary brake valve (15) Rear slack adjuster (16) Rear brake oil cooler (25) Parking brake release hydraulic filter

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Illustration 5	g00532424
Top view of rear brake oil cooler lines (1) Left rear wheel brake (6) Hoist and brake hydraulic tank (14) Hoist control valve (16) Rear brake oil cooler (20) Right rear wheel brake

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Illustration 6	g00532428
Side view of rear brake oil cooler lines (6) Hoist and brake hydraulic tank (14) Hoist control valve (16) Rear brake oil cooler

Caterpillar Information System:

583R Pipelayer Hydraulic System Counterweight Cylinder

24H Motor Grader Transmission Electronic Control System And Hydraulic Calibrations CID 0147 FMI 03 Pressure Sensor (Lockup Clutch) Voltage Above Normal - Test

216, 226, 228, 232, 236, 242, 246, 248, 252 and 262 Skid Steer Loaders and 247, 257, 267, 277 and 287 Multi Terrain Loaders Interlock Electronic Control System Normal Operation

583R Pipelayer Hydraulic System Counterweight Control Valve

773D, 773E, 775D and 775E Off-Highway Trucks Machine Systems Body and Canopy - Remove

583R Pipelayer Hydraulic System Main Relief Valve

69D and 769D Off-Highway Truck and 771D Quarry Truck Air System and Brakes Inverter Valve (Front Brake)

824G Wheel Tractor, 825G Soil Compactor and 826G Landfill Compactor Hydraulic System Pilot Hydraulic System

554 and 574 Forwarders Power Train Power Train Troubleshooting

784C and 785C Off-Highway Truck Power Train Transmission Planetary - Assemble

69D and 769D Off-Highway Truck and 771D Quarry Truck Air System and Brakes Air Control Valve (Front Brake)

550 Wheel Harvester, 570 Wheel Harvester and 580 Wheel Harvester Power Train Visual Inspection

24H Motor Grader Transmission Electronic Control System And Hydraulic Calibrations CID 0147 FMI 04 Pressure Sensor (Lockup Clutch) Voltage Below Normal - Test

784C and 785C Off-Highway Trucks Machine Systems Manifold (Hoist) - Disassemble

69D and 769D Off-Highway Truck and 771D Quarry Truck Hydraulic System Pad Assembly (Dump Body) - Install and Adjust

216, 226, 228, 232, 236, 242, 246, 248, 252 and 262 Skid Steer Loaders Bucket Tips - Inspect/Replace

784C and 785C Off-Highway Trucks Machine Systems Manifold (Hoist) - Assemble

773D Off-Highway Truck and 775D Quarry Truck Hydraulic System Pad Assembly (Dump Body) - Install and Adjust

784C and 785C Off-Highway Trucks Machine Systems Lubrication Pump (Automatic) - Remove

784C and 785C Off-Highway Trucks Machine Systems Lubrication Pump (Automatic) - Install

583R Pipelayer Hydraulic System Winch

69D and 769D Off-Highway Truck and 771D Quarry Truck Air System and Brakes Towing

69D and 769D Off-Highway Truck and 771D Quarry Truck Hydraulic System Electronic Control (Body Down or Up Switch) - Adjust

69D and 769D Off-Highway Truck and 771D Quarry Truck Air System and Brakes Relay Valve (Brake Air)