PIPE AS-YM 3015246 - Caterpillar

Start By:
Remove the final drives. Refer to Disassembly and Assembly, "Final Drive - Remove" for the correct procedure.Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.
Illustration 1 g00841087
Install Tooling (A) on the planetary carrier. Attach a hoist.
Remove bolts (1) that hold the planetary carrier to the hub. Remove planetary carrier (3) and the two O-ring seals from the hub. The weight of the planetary carrier is approximately 137 kg (302 lb).
Remove three retainers (2) .
Illustration 2 g00841089
Place support under planetary carrier (3) in order to prevent damage. Use Tooling (B) and a press to remove the three planetary gear shafts.
Remove three planetary gears (4) from carrier (3) .
Illustration 3 g00841091
Remove bearing cones (5) from each gear (4) .
Remove the bearing cups from each side of the gears.
Illustration 4 g00841092
Illustration 5 g00841093
Remove bolts (6) and retainer (7) .
Use nylon straps and a hoist to remove the hub and ring gear (8). The weight of the hub and ring gear (8) is approximately 68 kg (150 lb).
Illustration 6 g00841094
Turn over hub (9) and ring gear (8). Remove retaining ring (10). The weight of hub (9) is approximately 37 kg (82 lb). The weight of ring gear (8) is approximately 32 kg (71 lb). Use nylon straps and a hoist to remove hub (9) .
Illustration 7 g00841095
Install Tooling (C) on hub (12). Note: Do not lift hub (12) too high. Do not allow hub (12) to contact the fitting on the hydraulic cylinder.
Use Tooling (C) to loosen hub (12) from spindle (13). Remove Tooling (C) .
Remove bearing cone (11) .
Illustration 8 g00841098
Install Tooling (D) and a hoist. Remove hub (12) from spindle (13). The weight of hub (12) is approximately 180 kg (397 lb).
Illustration 9 g00841099
Turn over hub (12). Remove Duo-Cone seal kit (15). Use a hammer and a punch to remove bearing cup (16) .
Turn over the hub. Remove bearing cup (14) from the hub.Note: If the Duo-Cone seal kits will be reused, mark the seal kits for installation purposes.
Illustration 10 g00841101
Note: Bearing cone (18) may be damaged if the bearing cone is removed from spindle (13) .
Remove Duo-Cone seal kit (19) from spindle (13) .
If necessary, remove bearing cone (18) from the spindle.
Remove lip seal (17) from spindle (13) .