302.5C Mini Hydraulic Excavator Machine Systems Caterpillar


Swing Motor - Assemble

Usage:

302.5C GBB

Assembly Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
B     1P-1857     Retaining Ring Pliers     1    



    Illustration 1g01188434

  1. Raise the temperature of bearing (29) .

  1. Install bearing (29) onto shaft (30) .

  1. Install ring (32) onto bearing (29) .



    Illustration 2g01188435

  1. Lower the temperature of bearing (29) and shaft (30) .

  1. Install bearing (29) and shaft (30) .

  1. Install plate (28) .



    Illustration 3g01188431

  1. Install washers (26) and spring (27) .



    Illustration 4g01188430

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

    Improper assembly of parts that are spring loaded can cause bodily injury.

    To prevent possible injury, follow the established assembly procedure and wear protective equipment.

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

  1. Use a suitable press and Tooling (B) in order to install retaining ring (25) .



    Illustration 5g01188428

  1. Install pins (24) .



    Illustration 6g01188427

  1. Install bearing (23), retainer (22), and pistons (21) .



    Illustration 7g01188426

  1. Install rotating group (20) and plates (19) .



    Illustration 8g01188425

  1. Install O-ring seals (18) .



    Illustration 9g01188997

  1. Install piston (16) and pins (17) .



    Illustration 10g01188422

  1. Install spacer (14), bevel washer (13), and O-ring seal (15) .



    Illustration 11g01188421

  1. Install bevel washer (12) and spacer (11) .



    Illustration 12g01188420

  1. Install bearing (10), port plate (9), and O-ring seal (8) .



    Illustration 13g01188419

  1. Install head (6) and bolts (7) .

  1. Tighten bolts (7) to a torque of 128 ± 7 N·m (94 ± 5 lb ft).



    Illustration 14g01188418

  1. Install the O-ring seals, plug (3), check valve (4), and plug (5) .

  1. Tighten plug (3) to a torque of 12 ± .5 N·m (106 ± 4 lb in).

  1. Tighten check valve (4) to a torque of 157 ± 10 N·m (116 ± 7 lb ft).



    Illustration 15g01188417

  1. Install the O-ring seal, plug (1), and check valve (2) .

  1. Tighten plug (1) to a torque of 39 ± 2 N·m (345 ± 18 lb in).

End By: Install the swing motor. Refer to Disassembly and Assembly, "Swing Motor - Install".

Caterpillar Information System:

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