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, "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. |
Illustration 1 | g01001201 |
The hydraulic oil filter is located behind the mud flap on the front of the hydraulic tank.
Note: The mud flap may be removed for easier access to the filter.
- Stop the engine.
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Illustration 2 g01001186 - Use a strap type wrench to remove the hydraulic oil filter element. Dispose of the used filter properly.
- Remove the filler cap and the strainer from the hydraulic oil filler tube. Wash the filler cap and the strainer in a clean nonflammable solvent. Allow the strainer to air dry.
- Inspect the strainer for damage. Replace the strainer, if necessary. Install the strainer and the filler cap.
- Clean the filter mounting base. Make sure that all of the used gasket is removed from the filter mounting base.
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Illustration 3 g00101318 - Apply a thin coat of hydraulic oil to the seal on the new filter. Install the new hydraulic oil filter hand tight until the seal of the hydraulic oil filter contacts the filter base. Note the position of the index marks on the filter in relation to a fixed point on the filter base.
Note: There are rotation index marks on the hydraulic oil filter that are spaced 90 degrees or 1/4 of a turn away from each other. When you tighten the hydraulic oil filter, use the rotation index marks as a guide.
- Tighten the filter according to the instructions that are printed on the filter. Use the index marks as a guide. For non-Caterpillar filters, use the instructions that are provided with the filter.
Note: You may need to use a Caterpillar strap wrench, or another suitable tool, in order to turn the filter to the amount that is required for final installation. Make sure that the installation tool does not damage the filter.
- Start the engine and run the engine at low idle. Inspect the hydraulic system for leaks.
- Check the level of the hydraulic oil.
Reference: Refer to Operation and Maintenance Manual, "Hydraulic System Oil Level - Check" for the correct procedure.