GEAR (30 teeth) 1P7491 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A FT-1952 Axle Removal Tool 1
B 142-1664 Lifting Bracket 1 Start By:
Separate the track.
Without the sun gear in place, the brakes are ineffective. Personal injury or death could result. Provide other means to hold or stop the machine.
Illustration 1 g00865052
Remove bolts (2) and cover (3) from final drive (1).
Illustration 2 g00865024
Use Tooling (A) to remove axle (4).
Illustration 3 g00865075
Remove two bolts (5).
Illustration 4 g00826743
Adjust the top bracket of Tooling (B) until Dimension (X) is 222.25 mm (8.750 inch).
Illustration 5 g00865077
Remove two bolts (6) and the nuts from the sprocket segment. Discard bolts (6) and the nuts.
Illustration 6 g02356097
Fasten Tooling (B) and a suitable lifting device to the final drive.
Illustration 7 g00865094
Remove bolts (7) that hold the final drive and the brake together.
Illustration 8 g00865095
Use Tooling (B) to remove final drive (1) from the machine. The weight of final drive (1) is approximately 454 kg (1000 lb).Installation Procedure
Install final drive (1) in the reverse order of removal.
Tighten bolts (7) to a torque of 700 90 N m (516 66 lb ft).
Lubricate new bolts (6) with SAE 30 oil. Install new bolts (6) and the nuts. Tighten bolts (6) to a torque of 175 40 N m (130 30 lb ft). Tighten bolts (6) an extra 1/3 turn.