Hydraulic System Oil Filter - Replace
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Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact the 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. |
- Relieve the hydraulic tank pressure by pushing on top of breaker relief valve (1) before changing the filters.
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| Illustration 1 | g00945826 |
- Remove filter access cover (2) from the hydraulic tank guard.
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| Illustration 2 | g00945827 |
- Remove the filter covers.
- Inspect each cover seal for damage. Replace the cover seals, if necessary.
- Remove and discard the four filter elements.
- Remove oil filler cap (3) .
- Remove hydraulic tank oil filler strainer (5). Wash the strainer and the filter covers in clean, nonflammable solvent.
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| Illustration 3 | g00945828 |
- Install filler strainer (5) in the filler tube. Install four new filter elements in the hydraulic tank.
- Install the covers. Tighten the cover bolts to 56 ± 3 N·m (41 ± 2 lb ft).
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| Illustration 4 | g00945829 |
- Inspect the oil filler cap gasket. Replace the gasket if it is damaged.
- Maintain the hydraulic oil level above the "ADD COLD" mark in sight gauge (4) with the engine stopped and the bucket level on the ground. Add oil, if necessary through the filler tube.
- Install oil filler cap (3) .
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