P16, P20, P25, P28, P40 and P60 Pulverizers Caterpillar

Removal Procedure

Start By:

1. Close the jaws of the work tool and remove the work tool from the host machine. Refer to Operation and Maintenance Manual, GEBJ0067, "Pulverizer Attachment - Remove and Install".

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Hot oil and components can cause personal injury. Do not allow hot oil or components to contact skin.

1. Ensure that the work tool is resting on a hard, level surface.

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Illustration 1	g00682499

2. Remove the four bolts and the washers that secure cover (1) to the upper housing. Remove the cover.

3. Put identification marks on all hoses for installation purposes. Plug all hoses in order to help prevent fluid loss and contamination of the fluid system.

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Illustration 2	g00678825
Typical example

4. Remove two hose assemblies (2) from gerotor motor (3). Remove the two O-ring seals.

5. Remove eight bolts, the washers, and four half flanges that secure two hose assemblies (4) to the rotary manifold. Remove the two O-ring seals from the hoses.

6. Remove eight bolts, the washers, and four half flanges that secure two hose assemblies (4) to the upper housing. Remove the O-ring seals from the hoses. Remove the hoses from the work tool.

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Illustration 3	g00683325
Typical example

7. Remove four bolts (5) and the washers that secure mounting plate (6) to the housing.

8. Remove gerotor motor (3) and mounting plate (6) from the upper housing. Use two people to lift the motor from the work tool. The weight of the motor assembly is 22 kg (49 lb).

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Illustration 4	g00678876

9. Secure gerotor motor (3) in a vise.

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Illustration 5	g00683328

10. Remove spring pin (7) from the shaft.

11. Remove nut (8) and gear (9) .

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Illustration 6	g00683332

12. Remove four bolts (10) and the washers that secure plate (6) to the motor. Remove the plate.

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Illustration 7	g00683333

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Illustration 8	g00678854

13. Remove four bolts (11) that secure relief valve (12) to motor (3). Remove the relief valve from the motor.

14. Remove two O-ring seals (13) .