Disassembly Procedure
Start By:
- Remove the pilot operated hydraulic control. Refer to Disassembly and Assembly, "Pilot Operated Hydraulic Control - Remove" for the machine that is being serviced.
Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.
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Illustration 1 | g00987504 |
- Remove screw (1) and knob assembly (2) from the rod.
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Illustration 2 | g00987505 |
- Loosen nuts (3). Remove rod (4) and boots (5) .
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Illustration 3 | g00987508 |
- Remove clips (6) and pins (7). Remove lever assemblies (8) .
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Illustration 4 | g00987510 |
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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. |
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- Remove nut (13), pin (12), spring (14), and washer (15). Repeat for the opposite side of plate (9). Remove spacer (11) and swivel (15) .
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Illustration 5 | g00987527 |
- Remove bolts (16), bolts (17), and bracket (18) .
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Illustration 6 | g00987530 |
- Remove adapter (19) .
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Illustration 7 | g00987531 |
- Remove bolts (20) and separate the valve assembly.
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Illustration 8 | g00987532 |
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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. |
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- Remove O-ring seal (21). Remove the spring and screen assembly (22) .
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Illustration 9 | g00987534 |
- Remove adapters (23) .
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Illustration 10 | g00987541 |
- Remove cartridge assemblies (24) .
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Illustration 11 | g00987572 |
Note: Slide out coil assemblies (28) in order to remove plates (25) .
- Remove adapter (26) and plates (25) .
- Remove the three valve bodies from plate (27) .
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Illustration 12 | g00987574 |
- Remove O-ring seals (29) from adapters (30) and (31) .
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Illustration 13 | g00987576 |
- Remove hex bolts (32) and the nuts. Separate the valve bodies.
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Illustration 14 | g00987579 |
- Remove adapters (33) and the O-ring seals.
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Illustration 15 | g00987580 |
- Remove cartridge assembly (34) .
- Remove seal connector (36) and the cap assembly.
Note: There are 45 O-ring seals on plugs (35) in the three valve bodies.
- Remove plugs (35). Repeat for the remaining 44 O-ring plugs.
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Illustration 16 | g00987582 |
- Remove O-ring seal (37) from plug (35). Repeat for the remaining 44 plugs.
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Illustration 17 | g00987584 |
- Remove O-ring seal (38) from seal connector (36). Remove screen assembly (39) .
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Illustration 18 | g00987586 |
Note: A ball is released when adapter (40) and cage (41) are separated.
- Separate adapter (40) from cage (41) .
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Illustration 19 | g00987587 |
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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. |
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Illustration 20 | g00987589 |
- Remove snap ring (42) and retainer (44) .
- Remove plunger (43) and spring (45) from adapter (40) .
- Remove O-ring seals (46) and (47) .
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Illustration 21 | g00987590 |
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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. |
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Illustration 22 | g00987592 |
- Compress spring (50) and remove retainers (49). Remove spring (50) from spool (48) .
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Illustration 23 | g00987594 |
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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. |
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Note: Use the flats of cage (41) to remove stop (55) .
- Remove stop (55) and spring (53) .
- Remove O-ring seal (54) .
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Illustration 24 | g00987596 |
- Remove O-ring seals (56) .
- Remove spool (48) .
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Illustration 25 | g00987601 |
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Illustration 26 | g00987603 |
- Use a suitable allen wrench and the flats of spool (48) in order to remove orifice (57) .
- Repeat this procedure for the remaining cartridge assemblies.