MOTOR GP-GEAR 2896394 - Caterpillar

Illustration 2 g03879823
Remove sun gear (3) and spacer (4).
Use two people to remove carrier assembly (5). The weight of carrier assembly (5) is approximately 23 kg (50 lb).
Illustration 3 g03879897
Remove retaining ring (6).
Remove planetary shaft (10), thrust washer (7), thrust washer (11), planetary gear (8), and bearing assembly (9) from the carrier assembly.
Repeat Step 4 through Step 7 to remove the other two planetary gears from the carrier assembly.
Illustration 4 g03879903
Remove retaining ring (12) and sun gear (14) from the carrier.
Remove retaining ring (13) from sun gear (14).
Illustration 5 g02115915
Illustration 6 g03879905
Remove spacer (16).
Remove retaining ring (15) that holds carrier assembly (17) in position.
Use a suitable piece of steel bar stock between the planetary gears in carrier assembly (17). Make sure that the steel bar stock is centered in carrier assembly (17). Attach a suitable lifting device to the steel bar stock. Slowly lift carrier assembly (17) from the swing drive housing. The weight of carrier assembly (17) is approximately 70 kg (154 lb).
Illustration 7 g03879907
Drive spring pin (22) into planetary shaft (19) with a suitable hammer and a suitable punch.
Remove planetary shaft (19), thrust washers (18), planetary gear (21), and bearing assemblies (20) from the carrier assembly.
Remove spring pin (22) from planetary shaft (19) with a suitable hammer and a suitable punch.
Repeat Step 14 through Step 16 to remove the other three planetary gears from the carrier assembly.
Illustration 8 g03879916
Illustration 9 g03879914
Attach Tooling (A) and a suitable lifting device to ring gear (23). The weight of ring gear (23) is approximately 60 kg (132 lb).
Remove bolts (24) and ring gear (23).
Illustration 10 g02116593
Remove retaining ring (25).
Illustration 11 g03409949
Illustration 12 g03879933
Attach Tooling (A) and a suitable lifting device to swing drive housing (26). Position swing drive housing (26) in a suitable press. The combined weight of swing drive housing (26), the pinion shaft, and the bearing cage is approximately 292 kg (644 lb).
Position suitable cribbing directly under the pinion shaft to prevent the pinion shaft from falling when pressed out.
Remove pinion shaft (28) and spacer (27) from swing drive housing (26).
Illustration 13 g03879949
Put an alignment mark on cage (30) and swing drive housing (26) for assembly purposes.
Remove bolts (29) that secure cage (30) to the swing drive housing. Remove cage (30), O-ring seal (31), and bearing (33).
Remove lip seals (32) from cage (30).
Illustration 14 g03410014
Remove bearing (34) from swing drive housing (26).