3508B, 3512B and 3516B Generator Set Engines Engine Oil Sequence Valves - Remove and Install Caterpillar


Engine Oil Sequence Valves - Remove and Install
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1.1. Removal Procedure
2.1. Installation Procedure

Removal Procedure

Start By:

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

  2. Remove the flywheel housing. Refer to Disassembly and Assembly, "Flywheel Housing - Remove".


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.




    Illustration 1g01135024

  1. Remove bolts (1) and thrust plate (2). Remove balancer gear (3) from the balancer gear shaft.

    Note: The balancer gear is for the 3508B engine. The 3512B Engine and the 3516B Engine do not have the balancer gear on the front of the engine.



    Illustration 2g01135028

    ------ 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.


  2. Remove bolts (4) and cover (5) from the front of the cylinder block.

  3. Remove plunger assembly (6) and spring (7) from the cylinder block.


    Illustration 3g01135030

  4. Remove bolts (12) and thrust plate (13). Remove gear (14) from rear of the cylinder block.

  5. Remove bolts (8), idler shaft (9), idler gear (10), and thrust washer (11).


    Illustration 4g01135029

    ------ 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.


  6. Remove bolts (15) and cover (16) from the rear of the cylinder block.

  7. Remove plunger assembly (17) and spring (18) from the cylinder block.

Installation Procedure


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.




    Illustration 5g01135029

    ------ 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. Apply clean engine oil on spring (18) and plunger assembly (17).

  2. Install spring (18) and plunger assembly (17) in the cylinder block.

  3. Install cover (16) and bolts (15).


    Illustration 6g01135030

  4. Apply clean engine oil to the sleeve bearing in camshaft idler gear (10) and idler shaft (9). Install idler shaft (9) in camshaft idler gear (10). Position the camshaft idler gear (10) and thrust washer (11) and install bolts (8). Tighten bolts (8) to a torque of 240 ± 20 N·m (177 ± 15 lb ft).

  5. Apply clean engine oil on the sleeve bearing in cluster idler gear (14) and the cluster gear shaft. Install cluster idler gear (14) on the cluster gear shaft. Make sure that the marks on cluster idler gear (14) and the crankshaft gear are in alignment with the rotation of the engine. Install thrust plate (13) and bolts (12).


    Illustration 7g01135028

    ------ 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.


  6. Apply clean engine oil on spring (7) and plunger assembly (6).

  7. Install spring (7) and plunger assembly (6) in the cylinder block.

  8. Install cover (5) and bolts (4).

  9. Apply clean engine oil on the sleeve bearing in balancer gear (3) and the balancer gear shaft. Install balancer gear (3) on the balancer gear shaft. Make sure that the marks on balancer gear (3) and the crankshaft gear are in alignment with the rotation of the engine. Install thrust plate (2) and bolts (1).

    Note: The balancer gear is for the 3508B engine. The 3512B engine and the 3516B Engine do not have the balancer gear on the front of the engine.

End By:

  1. Install the flywheel housing. Refer to Disassembly and Assembly, "Flywheel Housing - Install".

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

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