GUARD 9W6578 - Caterpillar

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.
The transmission oil filter is located on the left side of the machine in the articulation joint.
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Use a strap type wrench to remove the filter element. Dispose of the used filter element properly.
Clean the filter mounting base. Make sure that all of the used gasket is removed.
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Apply a light coat of clean transmission oil to the seal of the new filter element. Install a new transmission oil filter hand tight until the seal of the transmission oil filter contacts the 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 transmission oil filter that are spaced 90 degrees or 1/4 or a turn away from each other. When you tighten the transmission 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-Cat filters, use the instructions that are provided with the filter. Note: Use a Cat 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 apply the left pedal.
Ensure that the transmission control is in the NEUTRAL position and engage the parking brake. Inspect the transmission oil filter for leaks.
Check the transmission oil level. Reference: Refer to Operation and Maintenance Manual, "Transmission Oil Level - Check" for the correct procedure.