Start By:
- Release the hydraulic system pressure. Refer to Disassembly and Assembly, "System Pressure - Release".
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Keep all parts clean from contaminants. Contamination of the hydraulic system with foreign material will reduce the service life of the hydraulic system components. To prevent contaminants from entering the hydraulic system, always plug or cap the lines, fittings, or hoses as they are disconnected. Cover any disassembled components and clean them properly before assembly. Clean the hydraulic system properly after any major component exchange or especially after a component failure, to remove any contamination. |
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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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® 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 work tools have been lowered to the ground, and the 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. |
- Remove the cover and remove screws (1).
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Illustration 2 g01594575 - Remove screw (2).
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Illustration 3 g01594576 - Remove cover (3). Remove screw (4).
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Illustration 4 g01594577 - Remove screw (6). Lift the cover (5) in order to disconnect harness assembly.
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Illustration 5 g01594753 - Disconnect harness assembly (7).
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Illustration 6 g01594754 - Disconnect harness assemblies (8). Remove cover (5).
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Illustration 7 g01594755 Show/hide table
Illustration 8 g01594756 - Loosen nut (10) and remove joystick (9).
- Remove bolts (11). Raise pilot valve (12) in order to disconnect hose assemblies (13). Disconnect hose assemblies (13). Remove pilot valve (12).
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| Illustration 1 | g01594574 |
