950G and 962G Wheel Loaders and IT62G Integrated Toolcarrier Machine Systems Caterpillar

Disassembly Procedure

Start By:

1. Remove the main control valve and the mounting. Refer to Disassembly and Assembly, "Main Control Valve and Mounting (Including Mounting Plate) - Remove".

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Illustration 1	g00339039
Typical Example

1. Place the plate assembly on wood blocks, as shown.

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Illustration 2	g00452925

2. Disconnect eight hydraulic tubes (1) from pilot valve (3) .

3. Remove three nuts and three bolts (2) that hold the pilot valve to the mounting plate. Remove pilot valve (3). The weight of pilot valve (3) is 23 kg (50 lb).

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Illustration 3	g00452926

Note: Place identification marks on all valves prior to removal.

4. Remove pressure reducing valve (4), pressure reducing valve (5), and shuttle valve (6) from the pilot valve.

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Illustration 4	g00452927

5. Remove O-ring seal (7), backup ring (8), O-ring seal (9), backup ring (10), and O-ring seal (11) from pressure reducing valve (4) .

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Illustration 5	g00452928

6. Remove O-ring seal (12), backup ring (13), O-ring seal (14), O-ring seal (15), and backup ring (16) from pressure reducing valve (5) .

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Illustration 6	g00452929

7. Remove O-ring seal (17), backup ring (18), O-ring seal (19), O-ring seal (20), and backup ring (21) from shuttle valve (6) .

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Illustration 7	g00452930

8. Remove sequence valve (22) from the pilot valve.

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Illustration 8	g00452931

9. Remove O-ring seal (23), backup ring (24), O-ring seal (25), O-ring seal (26), and backup ring (27) from sequence valve (22) .

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Illustration 9	g00452932

10. Disconnect electrical connector (28) .

11. Remove nut (30), the washer, and coil assembly (29) .

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Illustration 10	g00452933

12. Remove cartridge assembly (31) .

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Illustration 11	g00452934

13. Remove O-ring seal (32), backup ring (33), and O-ring seal (34) from cartridge assembly (31) .

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Illustration 12	g00452935

14. Disconnect electrical connector (35).

15. Remove solenoid valve (36) from the pilot valve. Repeat Steps 14 and 15 for the remaining five solenoid valves.

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Illustration 13	g00452936

16. Remove O-ring seal (37), O-ring seal (38), and O-ring seal (39) from solenoid valve (36) .

17. Remove nut (41) and coil assembly (40) .

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Illustration 14	g00452937

18. Remove three bolts (42), the washers, and manifold assembly (43) .

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Illustration 15	g00452938

19. Remove O-ring seals (44) .