LOOP 5290288 - Caterpillar

Change the Oil
Take an oil sample from each eccentric weight housing. There is an eccentric weight housing in the left front drum. There is an eccentric weight housing in the right rear drum. No flushing is necessary, if the oil sample cleanliness rating is equal or lower than ISO 23/21. The flushing procedure should be performed if an oil sample cleanliness rating is higher than ISO 23/21.
Illustration 1 g01084014
Rotate the drum so that fill/drain plug (1) is at the bottom. Place a suitable container under fill/drain plug (1). Remove fill/drain plug (1). Drain the housing completely.
Illustration 2 g01085931
Rotate the drum until the welded item (2) is at the bottom of the drum. The sight gauge (3) should be at the bottom of the housing. This will move the fill/drain plug (1) to the upper position.
Fill the housing with oil. Refer to the Operation and Maintenance Manual, "Lubrication Viscosities" and Operation and Maintenance Manual, "Capacities (Refill)". Maintain the level of the oil to the middle of the sight gauge.
Clean fill/drain plug (1) and install fill/drain plug (1) .