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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, PERJ1017, "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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| Illustration 1 | g06251885 |
- Clean the area around hydraulic oil filler cap (1) of any dirt or debris. Cleaning must be done before the hydraulic oil filler cap can be removed.
- Slowly remove the hydraulic oil filler cap.
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Illustration 2 g06351191 - Clean the area around filter (3). Cleaning must be done before the filters can be removed.
- Remove the filters with a strap type wrench. See Operation and Maintenance Manual, "Oil Filter - Inspect". Discard the used filters properly.
- Clean the filter bases. Check for any pieces of the seal from the old filters. Remove any pieces of the seal from the old filters.
- Apply a thin coat of clean hydraulic oil to the seal of the new filters.
- Install the new filters by hand until the seals of the new filters contact the bases. Note the position of the index marks on the filters in relation to a fixed point on the filter mounting bases.
Note: There are rotation index marks on the filters that are spaced 90 degrees or 1/4 of a turn away from each other. When you tighten the filters, use the rotation index marks as a guide.
- Tighten the filters according to the instructions that are printed on the filters. Use the index marks as a guide. For non-Caterpillar filters, use the instructions that are provided with the filters.
Note: You may need to use a Caterpillar strap wrench, or another suitable tool, in order to turn the filters to the amount that is required for final installation. Make sure that the installation tool does not damage the filters.
- Maintain the hydraulic oil level above the "MIN" mark in sight gauge (2).
- Inspect the filler cap gasket. If the filler cap gasket is damaged, replace the filler cap gasket.
- Install the hydraulic oil filler cap.
