| Required Tools | |||
|---|---|---|---|
| Tool | Part Number | Part Description | Qty |
| (A) | 8T-0292 | Bolt | 1 |
| (B) | 136-1452 | Internal Tip Pliers | 1 |
| (C) | 1U-7600 | Slide Hammer Puller Gp | 1 |
| (D) | 8H-0663 | Bearing Puller | 1 |
Start By:
- Remove the piston motor (disc saw).
Reference: Refer to Disassembly and Assembly, "Piston Motor (Disc Saw) - Remove" for the machine that is being serviced.
| 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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® 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.
- Remove two drain plugs (2) from housing (1). Drain the oil from the motor.
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Illustration 2 g00754757 Note: Mark the position of the head for assembly purposes.
- Remove eight bolts (3). Remove head (4).
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Illustration 3 g00755015 - Remove swashplate (5).
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Illustration 4 g00754771 - Remove eight bolts (6). Remove two blocks (7).
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Illustration 5 g00754774 - Remove plugs (8) and the O-ring seals. Remove spring (9) and poppet (10).
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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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Illustration 6 g00754871 Note: Cover (12) is under spring pressure.
- Remove four bolts (11). Remove cover (12).
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Illustration 7 g00755053 - Remove retainer (13) and spring (14). Remove bushing (15) and spring (16).
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Illustration 8 g00755065 Note: Record distance (X) from the locknut to the end of the screw for installation purposes.
- Remove O-ring seal (17). Remove plug (18) and the O-ring seal.
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Illustration 9 g00755078 - Remove screw (19) and dowel (20).
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Illustration 10 g00755101 - Remove retainer (21). Remove retainer (22) and stem (23). Remove spool (24).
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Illustration 11 g00755112 - Remove four bolts (25). Remove cover (26).
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Illustration 12 g00755134 - Remove O-ring seal (27).
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Illustration 13 g00755156 - Remove two plastic caps (28).
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Illustration 14 g00755168 Note: Record the distance from the locknut to the end of the set screw for installation purposes.
- Remove locknut (29) and screw (30).
- Repeat Step 14 on the other side of the housing.
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Illustration 15 g00755241 - Install Tooling (A).
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Illustration 16 g00755251 - Remove retainer (31). Remove shim (32). Use Tooling (C) in order to remove lip seal (33). Remove O-ring seal (34).
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Illustration 17 g00755258 - Use a suitable press in order to remove rotor assembly (35).
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Illustration 18 g00755262 - Remove Tooling (A). Remove barrel (36).
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Illustration 19 g00755265 - Remove screws (37) from retainer (38). Remove retainer (38). Remove pistons (39) and center pin (40).
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Illustration 20 g00755277 - Remove spring (41) and shim (42).
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Illustration 21 g00755303 - Remove rings (43).
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Illustration 22 g00755344 - Remove retaining ring (44) and shim (45).
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Illustration 23 g00755348 - Use Tooling (D) and a suitable press in order to press shaft (47) from bearing (48), shim (49) and bearing (50).
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| Illustration 1 | g00754750 |
