Removal Procedure
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Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact skin. |
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| 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 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. |
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Note: Install caps and plugs on all openings in order to prevent dirt or debris from entering the system. Cleanliness is an important factor. Before the removal procedure, the exterior of the component should be thoroughly cleaned. This will prevent dirt from entering the internal mechanism.
- Drain the oil from the hoist, torque converter, and brake tank into a suitable container for storage or for disposal. Refer to Operation and Maintenance Manual, "Hoist, Torque Converter and Brake Tank Oil - Change". The capacity of the tank is 250 L (66 US gal).
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| Illustration 1 | g00703794 |
- Disconnect wire harness (1) and wire harness (2) at the electrical connections.
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| Illustration 2 | g00703795 |
- Position a suitable container below hoist control valve (3) in order to contain the oil for storage or for disposal. Disconnect hose assembly (4) and hose assembly (6) from block (5). Disconnect hose assembly (7) and hose assembly (9) from block (8) .
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| Illustration 3 | g00703796 |
- Disconnect hose assembly (10) from hoist control valve (3) .
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| Illustration 4 | g00703798 |
- Disconnect hose assembly (11), hose assembly (12), and tube assembly (13) from hoist control valve (3) .
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| Illustration 5 | g00703800 |
- Remove block (5) and block (8) from hoist control valve (3) .
- Position a suitable lifting sling around hoist control valve (3), as shown. Secure the suitable lifting sling to a hoist. Remove three bolts (14) and the hard washers that hold hoist control valve (3) in position. Remove the hoist control valve from the machine. The weight of the hoist control valve is 108 kg (238 lb).
