C1.1, C1.5 and C2.2 Engines for Caterpillar Built Machines Engine Oil Pump - Remove Caterpillar


Engine Oil Pump - Remove
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1.1. Removal Procedure
2.2. Engine Oil Pump
3.2. Idler Hub

Removal Procedure

Start By:

  1. Remove the engine oil pan. Refer to Disassembly and Assembly, "Engine Oil Pan - Remove and Install".

  2. Remove the front housing. Refer to Disassembly and Assembly, "Housing (Front) - Remove".


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.



NOTICE

If the front housing is not installed, do not turn the crankshaft. Damage to the engine may occur.



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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.

Dispose of all fluids according to local regulations and mandates.


Engine Oil Pump



    Illustration 1g00825411

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

    Personal injury can result from being struck by parts propelled by a released spring force.

    Make sure to wear all necessary protective equipment.

    Follow the recommended procedure and use all recommended tooling to release the spring force.


  1. Remove the C-clip (9) that retains the idler gear (3) on the idler hub (1).

  2. Remove the following items from the idler hub (1):

    • Collar (8)

    • Spring (7)

    • Shim (6)

    • Oil pump cover (5)

    • Inner rotor (4)

  3. Remove the idler gear (3) from the idler hub (1).

  4. Remove the thrust washer (2) from the idler hub (1).

  5. Inspect all the components for wear or damage. If any components are worn or damaged, use new parts for replacement.

    Note: Refer to Specifications, "Engine Oil Pump" for more information.

  6. If the engine oil pump has excessive buildup of sludge, inspect the oil strainer. The oil strainer can be removed by using the following procedure:

    1. Remove the engine oil pan. Refer to Disassembly and Assembly, "Engine Oil Pan - Remove and Install".


      Illustration 2g00825406

    2. Remove the setscrews (12) and the oil strainer (13) from the cylinder block. Inspect the oil strainer for damage. If the oil strainer is damaged, use a new part for replacement.

    3. Remove the oil tube (11) from the cylinder block.

    4. Remove the O-ring (10) from the oil tube. Discard the used O-ring.

Idler Hub



    Illustration 3g00831103
    Typical example

  1. Remove the crankshaft. Refer to Disassembly and Assembly, "Crankshaft - Remove".

  2. Use a hammer and use a suitable drift to remove idler hub (1) from the cylinder block (2). Align the drift to the rear face of the hub and drive the hub from the inside of the cylinder block outward.

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