Disassembly Procedure
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Table 1
Required Tools     |
Tool     |
Part Number     |
Part Description     |
Qty     |
A     |
1P-1862     |
Snap Ring Pliers     |
1     |
B     |
1U-7588     |
Pry Bar     |
2     |
Start By:
- Remove the piston motor (travel). Refer to Disassembly and Assembly, "Piston Motor (Travel) - Remove" in this manual.
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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. |
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Note: Put identification marks on the travel motor and on all lines for installation purposes. Plug all lines. This will help to prevent fluid loss and this helps to keep contaminants from entering the system.
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.
- Put an alignment mark across the section of the travel motor and the final drive for assembly purposes. The parts must be reinstalled in the original locations of the parts.
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Illustration 1 | g00763560 |
- Remove plugs (1). Drain the oil.
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Illustration 2 | g00763551 |
- Remove bolts (2). Remove plate (3) .
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Illustration 3 | g00763571 |
- Remove port plate (4) .
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Illustration 4 | g00763578 |
- Remove barrel assembly (5) .
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Illustration 5 | g00763935 |
- Put identification marks on piston assemblies (6) in order to indicate the locations of the pistons in the retainer plate (7) and the barrel (8). Remove piston assemblies (6) and retainer plate (7) from barrel (8) as a unit. Separate the piston assemblies from the retainer plate.
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Illustration 6 | g00763958 |
- Remove guide (9) and pins (10) from barrel (8) .
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Illustration 7 | g00763585 |
- Remove swashplate (11) .
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Illustration 8 | g00763590 |
- Remove piston (12), and spring (13) .
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Illustration 9 | g00763910 |
- Use a 0.25 mm (0.010 inch) feeler gauge to a 0.38 mm (0.015 inch) feeler gauge. Remove ring (14) from the groove between cover (15) and the final drive housing.
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Illustration 10 | g00763597 |
- Remove cover (16) .
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Illustration 11 | g00763603 |
- Remove O-ring seal (17) .
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Illustration 12 | g00763605 |
- Use Tooling (A) in order to remove retaining rings (18) .
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Illustration 13 | g00763613 |
- Remove gears (19). Remove gear (20) .
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Illustration 14 | g00763623 |
- Remove shaft (21). Remove bearing (22) .
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Illustration 15 | g00763684 |
- Remove pivots (23), and lip seal (24) .
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Illustration 16 | g00764056 |
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NOTICE |
The thread lock compound that is used on the reamer bolts may cause the reamer bolts to seize during removal. The reamer bolts should be slowly removed by hand. Do not use an impact wrench in order to remove the reamer bolts. If the reamer bolts will no longer turn during removal, do not force or complete the removal. Instead, tighten the bolts, then try to loosen them again. |
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- Carefully remove bolts (25). Remove retaining rings (26) .
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Illustration 17 | g00763700 |
- Use Tooling (B) in order to separate spindle (27) from housing (28) .
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Illustration 18 | g00764796 |
- Remove flange (29), and bearing (30) .
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Illustration 19 | g00764176 |
- Remove gear (31) .
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Illustration 20 | g00764194 |
- Remove shaft assemblies (32), and gear (33) .
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Illustration 21 | g00764198 |
- Remove bearing cone (35), and bearing cone (38) from shaft (34). Remove bearing (36), and bearing (37) from shaft (34) .
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Illustration 22 | g00862751 |
- Remove Duo-Cone seal kit (39). Remove pins (40). Remove bearing (41) .
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Illustration 23 | g00764855 |
- If necessary, remove valve (42). Remove bearing (43) .
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Illustration 24 | g00764867 |
- Remove plugs (44), and the O-ring seals. Remove springs (45), stoppers (46), and spool (47) .
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Illustration 25 | g00764880 |
- Remove plugs (48), and the O-ring seals. Remove springs (49), and stoppers (50) .
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Illustration 26 | g00764899 |
- If necessary, remove plugs (51). Remove plug (52), and the O-ring seal. Remove plug (53) .