Boom Winch - Disassemble
Disassembly Procedure
Start By:
- Remove the winch. Refer to Disassembly and Assembly, "Boom Winch - Remove" for the correct procedure.
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| Required Tools | |||
|---|---|---|---|
| Tool | Part Number | Part Description | Qty |
| (A) | 1U-7600 | Slide Hammer | 1 |
| (B) | 136-1452 | Internal Tip Pliers | 1 |
| (C) | 5P-5197 | Internal Tip Pliers | 1 |
| (D) | 1P-0510 | Driver Group | 1 |
| (E) | 138-7575 | Link Bracket | 2 |
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| NOTICE |
|---|
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. |
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.
- Drain the oil from the winch.
- Remove twelve bolts (2). Remove drive motor (1) .
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| Illustration 1 | g00756192 |
Note: The drive motor contains springs under pressure.
Note: The drive motor weighs 23 kg (50 lb).
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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 sixteen springs (3) .
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| Illustration 2 | g00756223 |
- Remove bolts (4). Remove handle (5) .
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| Illustration 3 | g00756232 |
- Remove brake hub (6) .
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| Illustration 4 | g00756241 |
- Remove thrust washers (7) and thrust bearing (8) from shaft (9) .
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| Illustration 5 | g00756249 |
- Remove retaining rings (10), retaining ring (11 ) and retaining ring (12). Remove two washers (13) and two plates (14). Remove sprag clutches (15) .
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| Illustration 6 | g00756260 |
Note: Mark the position of the sprag clutches for assembly purposes.
- Install Tooling (E). Use a suitable lifting device in order to remove piston (16) .
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| Illustration 7 | g00756278 |
- Remove O-ring seal (17). Remove O-ring seal (18) .
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| Illustration 8 | g00756280 |
- Remove seven divider plates (19). Remove six friction discs (20) .
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| Illustration 9 | g00756331 |
- Remove spacer plate (21) .
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| Illustration 10 | g00756337 |
- Remove twelve bolts (22) and the washers. Remove base (23) .
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| Illustration 11 | g00756351 |
- Install Tooling (E). Use a suitable lifting device in order to support brake housing (24). Use two heel bars between cable drum (25) and the brake housing in order to remove the brake housing. The brake housing weighs 45 kg (100 lb).
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| Illustration 12 | g00756388 |
- Remove shaft (26) from the brake housing.
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| Illustration 13 | g00756398 |
- Remove seal (27) and bearing (28). Remove O-ring seal (29) .
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| Illustration 14 | g00756400 |
- Remove sun gear (30) .
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| Illustration 15 | g00756484 |
- Use Tool (A) in order to remove seal (31) .
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| Illustration 16 | g00756489 |
- Remove retaining ring (32) from final drive housing (33) .
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| Illustration 17 | g00756490 |
- Remove cover (34) .
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| Illustration 18 | g00756503 |
- Remove breather assembly (35) .
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| Illustration 19 | g00756533 |
- Remove thrust ring (36) and plate (37). Remove O-ring seal (38) .
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| Illustration 20 | g00756512 |
- Install Tooling (E). Use a suitable lifting device in order to remove planetary carrier (39) .
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| Illustration 21 | g00756540 |
Note: The planetary carrier weighs 23 kg (50 lb).
- Remove retaining rings (40) from pin (41) .
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| Illustration 22 | g00756560 |
- Use Tool (D) and a suitable press in order to remove pin (41) from carrier (42). Remove thrust rings (43) and planetary gear (44) .
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| Illustration 23 | g00756564 |
- Repeat Step 23 and Step 24 on the other two gear assemblies.
- Remove sun gear (45) .
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| Illustration 24 | g00756567 |
- Remove retaining ring (46) .
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| Illustration 25 | g00756574 |
- Use Tool (B) in order to remove retaining ring (47) .
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| Illustration 26 | g00756580 |
- Use Tool (C) in order to remove retaining ring (48) .
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| Illustration 27 | g00756581 |
- Install Tooling (E). Use a suitable lifting device in order to support final drive housing (49). Use a pry bar between the cable drum and the final drive housing. Gently pry the final drive housing from the cable drum.
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| Illustration 28 | g00756592 |
Note: The final drive housing weighs 27 kg (60 lb).
- Use Tool (A) in order to remove seal (50) .
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| Illustration 29 | g00756597 |
- Use Tool (D) and a suitable press in order to remove bearing (51) .
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| Illustration 30 | g00756609 |
- Use a suitable press in order to remove bearing (53), bearing (54) and planetary carrier assembly (52) .
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| Illustration 31 | g00756616 |
- Remove planetary (55) from ring gear (56) .
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| Illustration 32 | g00756627 |
- Use Tool (D) in order to remove plate (57) .
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| Illustration 33 | g00756645 |
- Remove retaining ring (58) and pin (59). Remove gear (60) and thrust washers (61) .
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| Illustration 34 | g00756648 |
- Repeat Step 36 on the other two gear assemblies.
- Remove bearing (62) .
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| Illustration 35 | g00756662 |
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