Start By:
- Connect the steering frame lock. Refer to Disassembly and Assembly, "Steering Frame Lock - Separate and Connect".
- Remove the pilot pump for the implement hydraulic system. Refer to Disassembly and Assembly, "Gear Pump (Implement Pilot) - Remove".
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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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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. |
- Remove tube assembly (4) from variable displacement pump (1) and from fixed displacement pump (2).
- Disconnect tube assembly (5) and hose assembly (3) from hydraulic fitting (6).
- Remove hydraulic fitting (6) from fixed displacement pump (2).
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Illustration 3 g00435126 - Disconnect hose assembly (7), supply hose assembly (8), suction hose assembly (9) and two small hose assemblies (10) from variable displacement pump (1).
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Illustration 4 g00435199 - Use a hoist and a suitable lifting sling to support variable displacement pump (1).
- Remove bolts (11).
- Use the hoist to carefully remove variable displacement pump (1). The weight of the variable displacement pump is
138 kg (305 lb) .Show/hide table
Illustration 5 g00435258 - Remove O-ring seal (12) from the mounting flange of variable displacement pump (1).
Note: Put identification marks on all lines, on all hoses 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.
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| Illustration 1 | g00435098 |
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| Illustration 2 | g00435124 |
