773G and 775G OFF-Highway Trucks Machine Systems Caterpillar


Piston Pump (Steering) - Remove and Install

Usage:

773G JWS

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
143-5455  Lifting Bracket 
138-7575 Link Bracket 
189-0408 Shackle As 

Start By:

  1. Install the body retaining pin.

  1. Refer to Operation and Maintenance Manual, "Steering System Oil - Change" for the correct draining and filling procedure.

  2. Position a suitable container below the steering piston pump in order to contain the hydraulic oil for storage or disposal.


    Illustration 1g01314035

  3. Loosen clamp (1) from tube assembly (2).


    Illustration 2g01314037


    Illustration 3g01314038

  4. Loosen clamps (3) and (4) from tube assembly (2) and tube assembly (5). Reposition tube assembly (2).


    Illustration 4g01314039

  5. Loosen clamp (6). Reposition tube assembly (5).


    Illustration 5g01314041

  6. Remove clamp (7).


    Illustration 6g01314042

  7. Remove bracket assembly (11). Loosen clamps (8). Remove clamps (10) from both ends of tube assembly (9). Remove tube assembly (9).


    Illustration 7g01314043

  8. Reposition tube assembly (5). Disconnect hose assemblies (12) and (13) from steering pump (14).


    Illustration 8g01314073

  9. Attach Tooling (A) and a suitable lifting device to steering pump (14). The weight of steering pump (14) is approximately 36 kg (80 lb). Remove bolts (15). Remove steering pump (14) and the O-ring seal.

Installation Procedure

  1. Install steering pump (14) in the reverse order of removal.

Caterpillar Information System:

770G and 772G Off-Highway Truck Steering System Piston Pump (Steering)
2012/01/20 The Engine Enclosure Has Been Improved on Certain 24M Motor Graders {7263}
Product Identification Numbers (PIN) Location Guide Feller Buncher (Track)
Product Identification Numbers (PIN) Location Guide Generator Set
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Propel System Drum Drive Group
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Propel System Drum Drive Group
CP74B, CS74B, CS76B and CS78B Vibratory Soil Compactors Machine Systems Lines (Blade Cylinder)
CP74B, CS74B, CS76B and CS78B Vibratory Soil Compactors Machine Systems Lines (Auxiliary Hydraulic)
CP74B, CS74B, CS76B and CS78B Vibratory Soil Compactors Machine Systems Lines (Auxiliary Hydraulic)
CP56B, CP68B, CS56B and CS68B Vibratory Soil Compactors Machine Systems Cab Air Duct
2012/04/02 Transmission Isolation Mount Modification for Certain 120M Series 2 Motor Graders {3082}
299D and 299D XHP Compact Track Loaders, 297D and 297D XHP Multi Terrain Loaders and 272D and 272D XHP Skid Steer Loaders Engine Supplement Electronic Control Module (Engine) - Remove and Install
Cat® Grade and Slope v1.2x for Pavers and Cold Planers General Information
773G and 775G OFF-Highway Trucks Machine Systems Oil Filter (Steering) - Remove and Install
Product Identification Numbers (PIN) Location Guide Feller Buncher (Wheel)
422F, 428F, 432F, 434F and 444F Backhoe Loaders Equipment Lowering with Engine Stopped
770G and 772G Off-Highway Truck Steering System Pump Control Valve (Pressure, Flow Compensator)
773G and 775G OFF-Highway Trucks Machine Systems Oil Filter (Steering Pump Case Drain) - Remove and Install
Product Identification Numbers (PIN) Location Guide Transmission
773G and 775G OFF-Highway Trucks Engine Supplement Engine and Torque Converter - Remove and Install
2013/02/04 A New Torque Specification Is Used for the V-Band Clamp of the Turbocharger on C175 Off-Highway Truck Engines {1052, 7553}
2470C, 2570C and 2670C Wheel Feller Bunchers Machine Systems Piston Pump (Fan) - Disassemble
2470C, 2570C and 2670C Wheel Feller Bunchers Machine Systems Piston Pump (Fan) - Assemble
R1600H Load Haul Dump Power Train Oil Filter (Transmission)
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.