C280-08 Tier 4 Engine Caterpillar


Auxiliary Water Pump - Disassemble

Usage:

C280-08 J4R

Disassembly Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
1P-0510  Driver Group 
9S-1366  Bolt 

Start By:

  1. Remove the auxiliary water pump.


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.




    Illustration 1g01205960

  1. Remove bolts (5) and gear (4).

  2. Put an alignment mark across housing (1) and auxiliary water pump housing (3).

  3. Remove bolts (2). Separate housing (1) from water pump housing (3). Remove the O-ring seal from auxiliary water pump housing (3).


    Illustration 2g01205982

  4. Loosen bolt (6). Do not remove the bolt. Use a block and Tooling (B) in order to put tension on the impeller. Tap the center of the block in order to loosen impeller (8) on the shaft. Remove bolt (6) and washer (7).


    Illustration 3g01205985

    ------ 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 (8).


    Illustration 4g01206070


    Illustration 5g01206072

  6. Remove spring (10) from shaft (9).

  7. Remove seal (11).


    Illustration 6g01206073

  8. Remove bolts (12) and thrust washer (13).


    Illustration 7g01206085

  9. Remove shaft (9).


    Illustration 8g01206088

  10. If necessary, use Tooling (A) and a suitable press in order to remove seal (14).

    Note: Check the O-ring seals for wear or damage. If necessary, replace the O-ring seals.



    Illustration 9g01206116

  11. Remove bearings (15) and bearings (16) from auxiliary water pump housing (3).

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