D6N Track-Type Tractor Power Train Steering Clutch and Brake - Disassemble Caterpillar


Steering Clutch and Brake - Disassemble
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1.1. Disassembly Procedure

Disassembly Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     138-7575     Link Bracket     3    

Start By:

  1. Separate the final drive, the steering clutch, and the brake. Refer to Disassembly and Assembly, "Final Drive, Steering Clutch, and Brake - Separate".

Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.




    Illustration 1g00952255

  1. Remove bolts (1) and plate (2) .



    Illustration 2g00952257

  1. Remove sleeve bearings (3) from plate (2) .



    Illustration 3g00952259

  1. Remove input hub (4) .



    Illustration 4g00952260

  1. Remove clutch plates (5) and friction discs (6) from hub assembly (7) .



    Illustration 5g00952261

  1. Remove piston (8) and sleeve bearing (9) from hub assembly (7) .



    Illustration 6g00952262

  1. Remove seals (10) and (11) from piston (8) .



    Illustration 7g00952507

  1. Turn over the hub and brake assembly. The weight of the hub and brake assembly is approximately 127 kg (280 lb).

  1. Remove ring (12) from hub assembly (7) .



    Illustration 8g00952508

  1. Attach Tooling (A) and a suitable lifting device to housing (13). Remove the brake assembly from hub assembly (7). The weight of the brake assembly is approximately 86 kg (190 lb).



    Illustration 9g00952511

  1. Remove bearing (14) from housing (13) .



    Illustration 10g00952514

  1. Remove rings (15) and bearing (16) from hub assembly (7) .

    ------ WARNING! ------

    Personal injury can result from parts under high spring pressure.

    Spring force can cause parts to come off suddenly. Contact your AVSpare dealer for disassembly instructions before removing any parts.

    ----------------------



    Illustration 11g00952516

    Note: Make sure that you remove bolts (17) before you remove bolts (19). Bolts (19) hold a spring that is under compression.

  1. Remove bolts (17) and plate (18) from housing (13) .



    Illustration 12g00952523

  1. Remove brake plates (20) and friction discs (21) from the housing.

    ------ WARNING! ------

    Personal injury can result from parts under high spring pressure.

    Spring force can cause parts to come off suddenly. Contact your AVSpare dealer for disassembly instructions before removing any parts.

    ----------------------



    Illustration 13g00952533

    Note: Make sure that you slowly loosen and evenly loosen bolts (19) .

  1. Remove bolts (19) and manifold assembly (22) from housing (13) .



    Illustration 14g00952535

  1. Remove seals (23) and (24) from manifold assembly (22) .



    Illustration 15g00952538

  1. Remove piston (25) from housing (13) .



    Illustration 16g00952539

  1. Remove springs (26) from housing (13) .

    Note: Note the direction of spring (26) before removing.

  1. Remove O-ring seals (27) and (28) .

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