525C, 535C and 545C Wheel Skidders Machine Systems Caterpillar

Disassembly Procedure

Start By:

1. Remove the winch motor. Refer to Disassembly and Assembly, "Winch Motor - Remove".

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Illustration 1	g01270183

1. Remove bolts (1) and head (2).
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   Illustration 2	g01270184

2. Remove port plate (3).
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   Illustration 3	g01270185

3. Remove nut (5) and coil (4).
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   Illustration 4	g01270186

4. Remove cartridge (6).
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   Illustration 5	g01270187

5. Remove plug (7) and the O-ring seal.
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   Illustration 6	g01270188

6. Remove piston (8).
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   Illustration 7	g01270571

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   Illustration 8	g01270573

7. Remove cap (9).

8. Use a depth gauge to measure the distance between the end of screw (13) and locknut (12). Record this measurement for assembly purposes.

9. Remove locknut (12) and screw (13).

10. Remove plug (10) and the O-ring seal.

11. Remove plug (11) and the O-ring seal.
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    Illustration 9	g01270575

12. Remove barrel (14).

13. Remove O-ring seal (15) from housing (16).
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    Illustration 10	g01270576

14. Remove spring (17) and shim (18) from barrel (14).
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    Illustration 11	g01270577

15. Use Tooling (A) to remove retaining ring (19).

16. Remove spacer (20) and rotating group (21).
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    Illustration 12	g01270579

17. Remove seal (22).
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    Illustration 13	g01270580

18. Remove bolts (23), pistons (24), center pin (25), and retainer plate (26).
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    Illustration 14	g01270608

19. Use Tooling (C) to remove retaining ring (27).

20. Remove shim (28).
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    Illustration 15	g01270609

21. Place the rotor assembly in a suitable press. Use Tooling (B) to remove shaft (29) from bearing cone (30), bearing cup (31), shim (32), bearing cup (33), and bearing cone (34).