ENGINE AR 1284434 - Caterpillar

Illustration 1 g01037231
Run the machine and operate the machine for five minutes before you change the oil. This will suspend any foreign particles that are present in the oil. Running the machine will also provide a more accurate S O S analysis.
Remove differential drain plug (1). The differential drain plug (1) is located on the back side of the differential case near the bottom. Remove the drain plug for the axle gear reducer (3). Note: Drain the oil into a suitable container. Dispose of the used oil in an appropriate manner.
Remove differential level/fill plug (2). The differential level/fill plug (2) is located on the back right side of the differential case.
Clean differential drain plug (1) and install differential drain plug (1). Clean the drain plug for the axle gear reducer (3) and install the drain plug for the axle gear reducer (3). Add the proper oil to the differential. Maintain the level of the oil to the bottom of the hole for the differential level/fill plug (2). Refer to the Operation and Maintenance Manual, "Lubricant Viscosities and Capacities (Refill)" section for more information.
Clean differential level/fill plug (2) and install differential level/fill plug (2).