Disassembly Procedure
Start By:
- Remove the pressure reducing valve. Refer to Disassembly and Assembly, "Pressure Reducing Valve - Remove".
| NOTICE |
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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 Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. |
| NOTICE |
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Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
- Remove plug assembly (6), stopper (5), spring (4), seat (3), and spool (2) from pressure reducing valve (1) .
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| Illustration 1 | g01178621 |
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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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- Measure the distance from the top of nut (7) and the top of setscrew (8) for assembly purposes.
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| Illustration 2 | g01178622 |
- Remove nut (7), setscrew (8), and O-ring seal (9) from plug (6) .
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| Illustration 3 | g01178624 |
- Repeat Steps 1 through 3 for remaining plug (6) .
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| Illustration 4 | g01178625 |
- Remove plugs (10) .
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| Illustration 5 | g01178626 |
- Remove O-ring seal (11) from plug (10). Repeat this Step for remaining plug (10) .
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| Illustration 6 | g01178627 |