HUB 3T5866 - 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 axle oil cooler filter should be replaced when a failure occurs in the axles.Note: The oil filters contain a 140 micron screen.
Illustration 1 g02586177The axle oil cooler filters are located under the engine compartment. There is an access area on the underside of the machine.
Illustration 2 g01451765
Stop the engine.
Push the button on the top of each axle breaker relief valve in order to relieve any pressure. Note: Refer to Operation and Maintenance Manual, "Axle Breaker Relief Valve - Clean" for the axle breaker relief valve locations.
Remove the oil filter and discard the filter properly. Make sure that the old seal is removed from the filter base.
Clean the filter mounting base and apply a thin coat of oil to the seal on the new filter.
Install the new filter hand tight until the seal of the 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 filter that are spaced 90 degrees or 1/4 of a turn away from each other. When you tighten the 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.
Repeat the above steps for the remaining oil filter.
Start the engine and operate the machine for a few minutes.
Stop the engine. Inspect the filters for leaks. Make any necessary repairs.