BUCKET GP-GENERAL PURPOSE 2568890 - Caterpillar

Eccentric Weight Housing
Change Oil
Machines with serial numbers (6LN84-UP), (7MN160-UP), (7NN299-UP), have separate weight shaft bearing reservoirs, one on each side of the drum. Both weight shaft bearing reservoirs must have the oil changed. 1. Rotate the drum until plug (1) is at the bottom or 6 o'clock position.2. Remove bearing reservoir drain plug (1).3. After oil is completely drained, install the drain plug.4. Rotate drum until plug (1) is at 10 o'clock position and plug (2) is at the 7 o'clock position.5. Refer to Lubricant Viscosities and Refill Capacities in the Maintenance Section of this manual.6. Fill to bottom of plug (2) opening.7. Clean and install plugs (1) and (2).Drum Cooling Oil
Machines with serial numbers (6LN84-UP), (7MN160-UP), (7NN299-UP), have a drain plug (3) located on the right hand side of the drum. This plug is used to fill/drain the cavity between the two vibratory bearing reservoirs, and will only need serviced when disassembly/assembly of the drum is required.