Service Brake (Front Oil Cooled) - Disassemble
Disassembly Procedure
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| Required Tools | |||
|---|---|---|---|
| Tool | Part Number | Part Description | Qty |
| A | 138-7573 | Link Bracket | 2 |
| B | FT-0947 | Spring Compressor | 1 |
| C | 138-7574 | Link Bracket | 1 |
| D | 138-7574 | Link Bracket | 2 |
Start By:
- Remove the front oil cooled service brake. Refer to Disassembly and Assembly, "Service Brake (Front Oil Cooled) - Remove".
- Remove bolts (1) and the washers that hold plate (2) to ring (3) .
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| Illustration 1 | g00648535 |
- Install Tooling (A) and a suitable lifting device in plate (2). Remove plate (2) and piston (4) from ring (3) as an assembly. The weight of the assembly is approximately 59 kg (130 lb).
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| Illustration 2 | g00648537 |
- Position plate (2) on wood blocks, as shown. Use Tool (B) in order to compress spring (6) until the spring pin (not shown) can be removed. Remove guide (5) and spring (6) from plate (2). Repeat this procedure for the remaining nine springs, guides, and spring pins.
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| Illustration 3 | g01034090 |
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Sudden release of spring force can cause injury. To prevent the possibility of injury, follow the procedure to relieve the spring pressure. |
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- Lift plate (2) and use a soft faced hammer in order to separate the plate from piston (4), as shown. The weight of the plate is approximately 44 kg (96 lb).
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| Illustration 4 | g01034091 |
- Remove seal rings (8) and (7) from piston (4) .
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| Illustration 5 | g00648540 |
- Remove damper (9) from ring (3). Remove 12 friction discs (10) and 12 plates (11) from ring (3) in alternating order.
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| Illustration 6 | g00648542 |
- Remove spacers (12) and O-ring seal (14) from ring (3) .
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| Illustration 7 | g00648543 |
- Attach Tooling (C) and a suitable lifting device to brake anchor (13), as shown. Turn over ring (3) and brake anchor (13) as an assembly. The weight of the assembly is approximately 120 kg (265 lb).
- Label the location of bolts (15) for installation purposes. Remove bolts (15) and the washers.
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| Illustration 8 | g00648545 |
- Attach Tooling (D) to brake anchor (13), as shown. Position a suitable lifting sling on Tooling (D). Secure the suitable lifting sling to a hoist. Use Tooling (D) in order to remove brake anchor (13) from ring (3). The weight of the brake anchor is 58 kg (128 lb).
- Remove O-ring seal (16) and seal (17) from ring (3). Remove four O-ring seals (18) from ring (3) .
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| Illustration 9 | g00648549 |
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