5230B Excavator Machine Systems Gear Pump (Pump Drive Lubrication) - Disassemble Caterpillar


Gear Pump (Pump Drive Lubrication) - Disassemble
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1.1. Disassembly Procedure

Disassembly Procedure

Start By:

  1. Remove the gear pump (pump drive lubrication). Refer to Disassembly and Assembly, "Gear Pump (Pump Drive Lubrication) - Remove".



    Illustration 1g00813089

  1. Remove eight bolts (2) and the washers from flange (1). Remove flange (1) from body assembly (3) .

    Note: The ring retainer, the O-ring (3 shape), the backup ring, and the isolation plate are located between the flange and the body assembly. Verify that the components are in place after the flange is separated from the body assembly.




    Illustration 2g00815041

  1. Remove ring retainer (4) and O-ring (3 shape) (5) from body assembly (3). Also, remove back up ring (6) and isolation plate (7) from body assembly (3) .



    Illustration 3g00813010

  1. If necessary, remove lip seals (8) from flange (1) .



    Illustration 4g00813013

  1. Remove O-ring seal (10). If necessary, remove bushings (11) from flange (1) .



    Illustration 5g00813063



    Illustration 6g00813011

  1. Remove 2 pressure plates (12), drive shaft (13), and idler gear (14) from body assembly (3) .



    Illustration 7g00813016

  1. Remove ring retainer (4) and O-ring (3 shape) (5) from body assembly (3). Also, remove backup ring (6) and isolation plate (15) from body assembly (3) .

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