Steering Planetary and Brake - Disassemble
Disassembly Procedure
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| Required Tools | |||
| Tool | Part Number | Description | Qty |
| A | 439-3940 | Link Bracket As. | 3 |
| B | 1P-0520 | Driver Group | 1 |
| C | 5B-4274 | Forcing Bolt 3/8 - 16 by 3.5 inches | 3 |
Start By:
- Remove the final drive, the planetary group, and the brake.
- Remove bolts (3) that hold planetary group and brake (1) to final drive (2) .
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| Illustration 1 | g02355593 |
- Attach Tooling (A) and a suitable lifting device to planetary group and brake (1). The weight of planetary group and brake (1) is approximately 136 kg (300 lb).
- Install Tooling (C) in the final drive hub.
- Tighten Tooling (C) evenly in order to remove planetary group and brake (1) from final drive (2) .
- Remove bolts (4). Remove ring gear (5) from housing (6) .
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| Illustration 2 | g02355596 |
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Personal injury can result from parts and/or covers under spring pressure. Spring force will be released when covers are removed. Be prepared to hold spring loaded covers as the bolts are loosened. |
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- Remove friction discs (7) and the brake plates from the housing.
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| Illustration 3 | g02355619 |
- Remove bolts (8) and plate (9) .
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| Illustration 4 | g02355621 |
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| Illustration 5 | g02355623 |
- Position the housing on suitable cribbing.
- Use Tooling (B) and a suitable press to remove planetary carrier (10) from housing (6) .
Note: Do not allow planetary carrier (10) to fall when the carrier is pressed from housing (6) .
Note: There may not be shims between plate (9) and planetary carrier (10) .
Note: If planetary carrier (10) is being reused, the existing shims located between plate (9) and planetary carrier (10) can be reused also. If a new planetary carrier (10) is being used, the existing shims should be discarded.
- Remove bearing cone (11) from the housing.
- Remove ring (14) from planetary carrier (10). Remove bolts (13). Remove slinger (12) from planetary carrier (10) .
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| Illustration 6 | g01205303 |
- If necessary, remove bearing cone (15) from planetary carrier (10) .
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| NOTICE |
|---|
The bearing is destroyed if the bearing is removed. |
- Use a hammer and a punch to push pin (17) in shaft (16) .
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| Illustration 7 | g00622128 |
- Remove shaft (16), planetary gear (19), discs (20), and bearings (21) from planetary carrier (10) .
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| Illustration 8 | g01205304 |
- Remove pin (17) from shaft (16) .
- Repeat Steps 13 through 15 for the remaining planetary gears.
- Remove sun gear (18) from planetary carrier (10) .
- Remove bolts (22) .
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| Illustration 9 | g00622132 |
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Personal injury can result from parts and/or covers under spring pressure. Spring force will be released when covers are removed. Be prepared to hold spring loaded covers as the bolts are loosened. |
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- Remove retainer (23) from piston (24) .
- If necessary, remove bearing cups (25) and seal ring (26) from retainer (23) .
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| Illustration 10 | g00622155 |
- Remove piston (24) and O-ring seal (27) from the housing.
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| Illustration 11 | g00622156 |
- Remove seal ring (28) from piston (24) .
Note: Inspect the O-ring seals. If necessary, replace the O-ring seals.
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| Illustration 12 | g00622157 |
- Remove spring (29) and ring (30) from housing (5) .
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| Illustration 13 | g00819345 |
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