Piston Pump (Main Hydraulic) - Remove and Install - Right
Removal Procedure
Start By:
- Remove hydraulic oil cooler.
- Remove swing pump.
- Drain hydraulic oil. Refer to Operation and Maintenance Manual, "Hydraulic System Oil - Change" for the correct draining and filling procedure.
- Disconnect hose assemblies (1) and (2) .
Show/hide table
 | |
| Illustration 1 | g03396428 |
- Disconnect harness assembly (3) .
Show/hide table
 | |
| Illustration 2 | g03396433 |
- Disconnect harness assembly (4) and hose assembly (5) .
Show/hide table
 | |
| Illustration 3 | g03396436 |
- Remove bolts (6) and (7) and reposition bracket assembly (8) .
Show/hide table
 | |
| Illustration 4 | g03396440 |
- Attach a suitable lifting device to piston pump (9). The weight of piston pump (9) is approximately 81 kg (180 lb). Remove bolts (10) and piston pump (9) .
Show/hide table
 | |
| Illustration 5 | g03396442 |
Installation Procedure
- Install piston pump (9) in the reverse order of removal.
Caterpillar Information System:
Installing the 388-8265 Work Tool Electrical Harness {1408} Installing the 388-8265 Work Tool Electrical Harness {1408}
Cat® Detect and Cat® MineStar System Onboard Configuration for the MS352 Satellite Receiver Firmware Menu
824K Wheel Dozer, 825K Soil Compactor and 826K Landfill Compactor Machine Systems Brake Accumulator
Installing the 422-3362 Work Tool Wiring (Self Level) Kit {1408} Installing the 422-3362 Work Tool Wiring (Self Level) Kit {1408}
986H Wheel Loader Machine Systems Brake Accumulator - Charged
Installing the 388-8286 Bluetooth Radio Kit {7338} Installing the 388-8286 Bluetooth Radio Kit {7338}
SS-56 Felling Head Grapple Arm - Remove and Install
793F WTR OEM Off-Highway Truck Power Train Final Drive, Brake and Wheel - If Equipped
D-Series and D2-Series Compact Track Loaders (CTL), Multi-Terrain Loaders (MTL), and Skid Steer Loaders (SSL) Operation
Procedure to Rework the Transmission Oil Pressure Sensor and Earth Strap on Certain R2900G Load Haul Dump Machines{1408} Procedure to Rework the Transmission Oil Pressure Sensor and Earth Strap on Certain R2900G Load Haul Dump Machines{1408}
R3000H Load Haul Dump Machine Electrical System Indicator - Hydraulic Oil Level
MH3059 Material Handler Hydraulic System Relief Valve (Signal Limiter) - Test and Adjust
834K Wheel Dozer Systems and 836K Landfill Compactor Systems Air Conditioner Lines
Interference May Occur Between the Clips of Air Cleaner Group, the Hose Assembly of Steering Lines Group, and the Hose of Air Lines Group on 777G Off-Highway Trucks{1051, 1054, 1071, 4304} Interference May Occur Between the Clips of Air Cleaner Group, the Hose Assembly of Steering Lines Group, and the Hose of Air Lines Group on 777G Off-Highway Trucks{1051, 1054, 1071, 4304}
311F Excavator Wiring Harness (Open Circuit) - Test
Installing the 388-8273 Work Tool Electrical Harness with Left Hand Joystick {1408} Installing the 388-8273 Work Tool Electrical Harness with Left Hand Joystick {1408}
259D, 279D, 289D, 299D, 299D XHP, 299D2 and 299D2 XHP Compact Track Loaders, 257D, 277D, 287D, 297D, 297D XHP, 297D2 and 297D2 XHP Multi Terrain Loaders and 236D, 242D, 246D, 262D, 272D, 272D XHP, 272D2 and 272D2 XHP Skid Steer Loaders General Information - Standard Flow
834K Wheel Dozer Systems and 836K Landfill Compactor Systems Cleaner Bar
Cat® Detect and Cat® MineStar System Onboard Configuration for the MS352 Satellite Receiver Help Menu
2013/10/21 New Slack Adjuster Group is Used on the 777G Off-Highway Trucks {4257, 4261}
2014/03/04 A New Special Instruction Is Available to Install 442-4755 Fuel Tank and Mounting Gp on Certain Vibratory Soil Compactors {1273}
Installing the 388-8275 Cab Side Window Kit {7310} Installing the 388-8275 Cab Side Window Kit {7310}
259D, 279D and 289D Compact Track Loaders, 257D, 277D and 287D Multi Terrain Loaders and 236D, 242D, 246D and 262D Skid Steer Loaders Engine Supplement Radiator and Hydraulic Oil Cooler - Remove and Install
Installation Procedure for the 388-8276 Cab Door and Mounting Kit (GLASS) on All D Series Skid Steer Loaders, Multi Terrain Loaders, and Compact Track Loaders {7308} Installation Procedure for the 388-8276 Cab Door and Mounting Kit (GLASS) on All D Series Skid Steer Loaders, Multi Terrain Loaders, and Compact Track Loaders {7308}