Removal Procedure
Start By:
- Release the hydraulic system pressure. Refer to Disassembly and Assembly, "Hydraulic System Pressure - Release".
| 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. |
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Personal injury can result from hydraulic oil pressure and hot oil. Hydraulic oil pressure can remain in the hydraulic system after the engine has been stopped. Serious injury can be caused if this pressure is not released before any service is done on the hydraulic system. Make sure all of the attachments have been lowered, oil is cool before removing any components or lines. Remove the oil filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand. |
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Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, all hoses and all tubes. This helps to prevent fluid loss and this helps to keep contaminants from entering the system.
Note: Cleanliness is an important factor. Before the removal procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.
- Remove knob (1). Remove control panel (2). Secure control panel (2) away from pilot valve (3).
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| Illustration 1 | g01676748 |
- Remove cover (4) .
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| Illustration 2 | g01754333 |
- Remove cover assembly (5) .
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| Illustration 3 | g01754339 |
- Disconnect hose assembly (6), (7), (8), (9), (10), and (11) from pilot valve (3) .
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| Illustration 4 | g01754338 |
- Remove cable strap (12). Disconnect harness assemblies (13) and (14) .
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| Illustration 5 | g01754354 |
- Remove screws (15) in order to remove pilot valve (3) .
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| Illustration 6 | g01754357 |