ENGINE AR-COMPLETE 4356448 - 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, 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.
Note: In order to access the differential oil filter and the final drive oil filter, it may be necessary to use a portable access system (ladder, stair assembly, man lift, or other portable access system) that is suitable and compliant to local regulations.
Illustration 1 g01998637
(1) Oil filter for the final drive
(2) Oil filter for the differential
Prepare the machine for maintenance. Refer to Operation and Maintenance Manual, "Prepare the Machine for Maintenance".
Remove the drain plug from the bottom of housing for the final drive oil filter (1). Drain the oil into a suitable container. Clean the area around the drain plug. 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 housing.
Remove the filter housing and the filter element. Discard the used filter element.
Wash the filter housing in clean nonflammable solvent.
Replace the seals in the filter base.
Install the new filter element in the filter housing. Install the filter housing.
Repeat Step 2 through Step 6 for differential oil filter (2).
Operate the machine on level ground for a few minutes. Note: The lubrication pump for the rear axle will not operate with the oil temperature below −4° C (25° F) and the lubrication pump for the rear axle will not operate if the machine is not moving for 5 minutes. The lubrication pump for the rear axle will not operate when the engine is off.
Park the machine according to the guidelines in Operation and Maintenance Manual, "Prepare the Machine for Maintenance". Check for leaks and make any necessary repairs.
Check the oil level in the differential and final drive. 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.