966G Wheel Loader and 972G Wheel Loader Machine Systems Caterpillar


Hydraulic Electronic Control - Remove and Install

Usage:

972G 1EW

Removal Procedure

Start By:

  1. Connect the steering frame lock. Refer to Disassembly and Assembly, "Steering Frame Lock - Separate and Connect".

Note: Put identification marks on all wires for installation purposes.

  1. Lower the bucket to the ground.


    Illustration 1g00445184

  2. Remove screw (1) and three screws (3).

  3. Disconnect switch assembly (2).

  4. Remove cover (4).


    Illustration 2g00445185

  5. Remove three screws (5) and cover (6).


    Illustration 3g00445187


    Illustration 4g00445188
    Rear View

  6. Remove bolts (7) and bolts (8).

  7. Remove the cover enough to disconnect cigar lighter (9).

  8. Remove cover (10).


    Illustration 5g00445189

  9. Disconnect electrical connectors (13).

  10. Remove bolts (11) and hydraulic electronic control (12).


    Illustration 6g00445365

  11. Remove two nuts (14), the washers, and electronic position control (15).

Installation Procedure



    Illustration 7g00445365

    Note: The slot in the electronic position control must be aligned to the slot of the control assembly.

  1. Install electronic position control (15).

  2. Apply 9S-3263 Thread Lock Compound to the threads of the threaded rods.

  3. Install the washers and nuts (14). The torque for nuts (14) is 2.25 ± .25 N·m (20 ± 2 lb in).


    Illustration 8g00445189

  4. Install hydraulic electronic control (12) and bolts (11).

  5. Connect electrical connectors (13).


    Illustration 9g00445187


    Illustration 10g00445188

  6. Install cover (10).

  7. Connect cigar lighter (9).

  8. Install bolts (8) and bolts (7).


    Illustration 11g00445185

  9. Install cover (6) and three screws (5).


    Illustration 12g00445184

  10. Install cover (4).

  11. Connect switch assembly (2).

  12. Install three screws (3) and screw (1). The torque for screw (1) is 6 ± 1 N·m (53 ± 9 lb in).

End By:

  1. Separate the steering frame lock. Refer to Disassembly and Assembly, "Steering Frame Lock - Separate and Connect".

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