SHAFT-IDLER 2938218 - Caterpillar

Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact the skin.
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.
Note: The machine is shipped with a 6 micron filter element for the rear axle. Caterpillar recommends the use of a 6 micron element for the initial 50 service hours. If the 6 micron element becomes plugged before the initial 50 service hours, replace the 6 micron element with another 6 micron element. When the machine reaches 50 service hours, replace the 6 micron element with a 20 micron element. If the element continues to become plugged after 50 service hours, consult your Caterpillar dealer.
Illustration 1 g01442444
Park the machine on a level surface. Engage the parking brake and stop the engine.
Remove the drain plug from filter housing (1). Drain the oil into a suitable container. Clean the drain plug and install the drain plug. Note: Removing the drain plug from the bottom of the filter housing may not drain all of the oil from the filter.
Remove the filter housing and the filter element. Discard the used filter element.
Wash the filter housing in clean nonflammable solvent.
Inspect the seals in the filter base. If the seals are damaged, replace seals with new seals.
Install the new filter element in the filter housing. Install the filter housing.
Start the engine and operate the engine at low idle. Make sure that the parking brake is engaged. Check for leaks and make any necessary repairs. Note: The lubrication pump for the rear axle will not operate with the oil temperature below 15 °C (59 °F).
Check the oil level in the rear axle. If necessary, add oil. For the proper procedure, refer to Operation and Maintenance Manual, "Differential and Final Drive Oil - Check". Note: Correct oil levels are critical in the differential and final drives. Check the oil level after repairs and after maintenance.Note: The differential and final drive oil level needs to be checked and maintained at operating temperature. If the oil level is checked cold, adjustment of the oil level may be necessary when the truck reaches operating temperature.