3500 Engines Auxiliary Water Pump - Disassemble Caterpillar


Auxiliary Water Pump - Disassemble
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1.1. Disassembly Procedure

Disassembly Procedure

Start By:

  1. Remove the auxiliary water pump.


    Illustration 1g03505607

  1. Remove bolts (1) and remove adapter (2) from housing assembly (3). Remove the O-ring seal from adapter (2).


    Illustration 2g03505611

  2. Remove plug (4), the O-ring seal, plug (5), and plug (6) from housing (3).


    Illustration 3g03505714

  3. Remove bolts (7) and the washers from thrust washers (8). Remove thrust washers (7).

    Note: Newer style thrust washers may interfere with the bearing and not be removed at this time.



    Illustration 4g03505720


    Illustration 5g03505743

  4. Use a suitable press in order to remove shaft assembly (9), impeller (10), bearing (11), and thrust washers (8) from housing (3).


    Illustration 6g03505757

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

    Personal injury can result from parts and/or covers under spring pressure.

    Spring force will be released when covers are removed.

    Be prepared to hold spring loaded covers as the bolts are loosened.


  5. Remove impeller (10). Remove spring (11), retainer assembly (12), ceramic seal (13). Remove the rubber seal and ceramic seal (14) from housing (3).


    Illustration 7g03505898

  6. Remove oil seal (15) and plug (16) from housing (3).

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