EPC Parts Catalogs

3046 Engine for Caterpillar Built Machines Engine Oil Pump - Inspect Caterpillar


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Engine Oil Pump - Inspect
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3046 Engine for Caterpillar Built Machines [SENR6457]
3046 Engine for Caterpillar Built Machines Engine Oil Pressure - Test
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LUBRICATION SYSTEM
PUMP GP-ENGINE OIL
3046 Engine for Caterpillar Built Machines Engine Oil Pump - Inspect

If any part of the oil pump is worn enough in order to affect the performance of the pump, the oil pump must be replaced.

Perform the following procedures in order to inspect the oil pump. Refer to Specifications, "Engine Oil Pump" for clearances.

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    Illustration 1g00987624

    Exploded view of the oil pump

    (1) O-ring

    (2) Inner rotor

    (3) Shaft

    (4) Outer rotor

    (5) Body

  1. Remove the oil pump from the engine.

  1. Remove all of the parts. Clean all of the parts. Look for cracks in the metal or other damage.
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    Illustration 2g00987626

    Clearance of outer rotor to body

  1. Install the outer rotor. Measure the clearance of the outer rotor to the body.
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    Illustration 3g00987627

    Clearance of inner rotor to outer rotor

  1. Install the inner rotor. Measure the clearance of the inner rotor to the outer rotor.
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    Illustration 4g00987628

    End play of rotors

  1. Measure the end play of the rotors with a straight edge and a feeler gauge.

  1. Clean the top face of the oil pump. Replace the O-ring and install the oil pump on the engine.

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