992K Wheel Loader Machine Systems Caterpillar


Piston Pump (Hydraulic Fan) - Remove and Install

Usage:

992K 880

Removal Procedure

Start By:

  1. Connect the steering frame lock.

  2. Release the hydraulic system pressure.

  1. Drain a portion of the hydraulic oil into a suitable container. Refer to Operation and Maintenance Manual, "Hydraulic System Oil - Change" for the correct draining and filling procedures.


    Illustration 1g01451195

  2. Use two people in order to remove door assembly (1) and plate assembly (2).


    Illustration 2g02393619

  3. Open door assemblies (3).


    Illustration 3g02393503

  4. Remove hose assembly (4), hose assembly (8), hose assembly (9), and hose assembly (10).

  5. Disconnect hose assembly (7) and hose assembly (11).

  6. Disconnect harness assembly (5). Disconnect valve (6) from the bracket and position valve (6) out of the way.


    Illustration 4g02393877

  7. Disconnect harness assembly (13). Remove tube assembly (12). Disconnect hose assembly (14).


    Illustration 5g02393916

  8. Attach a suitable lifting device to hydraulic fan piston pump (15). The weight of hydraulic fan piston pump (15) is approximately 50 kg (110 lb).

  9. Remove the bolts and hydraulic fan piston pump (15).

Installation procedure

  1. Install hydraulic fan piston pump (15) in the reverse order of removal.

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