3406E On-Highway Engine Caterpillar


Engine Oil Pump - Disassemble

Usage:

3406E 1MM

Disassembly Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
1P-2321  Combination Puller 
1P-0510  Driver Group 

Start By:

  1. Remove the engine oil pump. Refer to Disassembly and Assembly, "Engine Oil Pump - Remove".


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.



NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.

Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.

Dispose of all fluids according to local regulations and mandates.




    Illustration 1g01001918

  1. Remove the bolt that holds drive gear (1) to the shaft of body assembly (2).

  2. Use Tooling (A) in order to remove drive gear (1) from the shaft. Remove the key from the shaft.


    Illustration 2g01001929

    ------ 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.


  3. Remove bolts (9) that hold retainer (8) to body assembly (2).

  4. Remove retainer (8), spring (7), and bypass valve (6) from the body assembly.

  5. Remove bolts (5) and cover (4) from body assembly (2).

    Note: Inspect the bores in the cover. The aluminum cover does not have bearings. If the bores in the cover are damaged, replace the cover with a new part.

  6. Remove idler gear and drive gear (3) from body assembly (2).

  7. Use Tooling (B) in order to remove the bearings from body assembly (2).
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