Disassembly Procedure
| Required Tools | |||
|---|---|---|---|
| Tool | Part Number | Part Description | Qty |
| A | 1P-1859 | Retaining Ring Pliers | 1 |
Start By:
- Remove the steering control valve. Refer to Disassembly and Assembly, "Steering Control Valve - Remove".
| NOTICE |
|---|
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. |
Note: Place identification marks on the steering control valve for assembly purposes.
- Remove plug (2), spring (3), and strainer (4) from steering control valve (1) .
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| Illustration 1 | g01035491 |
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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 check and relief valve (5) and the O-ring seals from steering control valve (1) .
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| Illustration 2 | g01160560 |
- Remove plugs (7), the O-ring seals, springs (8), and check balls (9) from check and relief valve (5). Remove plug (6) and the O-ring seal from check and relief valve (5). Remove valves (10), the rings, and the O-ring seals from check and relief valve (5) .
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| Illustration 3 | g01035494 |
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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 check valves (11) and (12) from check and relief valve (5) .
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| Illustration 4 | g01035496 |
- Use Tooling (A) to remove retaining ring (13) from check valve (12). Remove spacer (18), spring (14), and check ball (19) from check valve (12). Remove plug (17) and O-ring seal (21) from check valve (12). Remove stem (16) and the O-ring seal from check valve (12). Remove O-ring seals (20) and O-ring seal (15) from check valve (12) .
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| Illustration 5 | g01035498 |
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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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- Repeat Step 5 for check valve (11) .
- Remove nut (28), retainer assembly (27), O-ring seal (26), spacer (25), spring (24), and poppet (23) from cover (22) .
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| Illustration 6 | g01035499 |
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| Illustration 7 | g01035500 |
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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 bolts (29) and cover (22) from steering control valve (1) .
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| Illustration 8 | g01035501 |
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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 valve (30) from cover (22). Remove O-ring seal (31) from valve (30). Remove O-ring seals (32) from cover (22) .
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| Illustration 9 | g01035502 |
- Remove springs (35), shims (34), and valve (33) from steering control valve (1). Remove valve (36) from steering control valve (1). Remove spool valve (37) from steering control valve (1) .
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| Illustration 10 | g01035503 |
- Slowly remove bolt (40) and the washer from spool valve (37). Remove retainer (43), spring (39), washer (42), retainer (38), and shims (41) from spool valve (37) .
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| Illustration 11 | g01035505 |
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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 plugs (44) and the O-ring seals from spool valve (37) .
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| Illustration 12 | g01035506 |
- Remove plug (45) and the O-ring seal from cover (49). Remove shims (46), spring (47), and stem (48) from cover (49) .
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| Illustration 13 | g01035508 |
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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 bolts (50) and cover (49) from steering control valve (1) .
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| Illustration 14 | g01035509 |
- Remove valve (51) and spacer (54) from steering control valve (1). Remove O-ring seals (52) from valve (51). Remove O-ring seal (53) from spacer (54) .
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| Illustration 15 | g01035511 |
- Remove plug (55) and the O-ring seal from valve (51) .
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| Illustration 16 | g01035512 |