279C2 Compact Track Loader and 287C, 277C, 277C2 and 297C Multi Terrain Loaders Power Train Caterpillar

Disassembly Procedure

Start By:

1. Remove the piston motor.

Show/hide table

Illustration 1	g01344079

1. Remove bolts (1) and cover (2).
   Show/hide table

   Illustration 2	g01344080

2. Remove O-ring seal (3).
   Show/hide table

   Illustration 3	g01345109

   Show/hide table

   Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force.

3. Remove bolts (4) and head (5).
   Show/hide table

   Illustration 4	g01345111

4. Remove O-ring seals (6), port plate (7), and bearing (8).
   Show/hide table

   Illustration 5	g01345112

   Show/hide table

   Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force.

5. Remove plug (9).
   Show/hide table

   Illustration 6	g01345113

6. Remove O-ring seal (12) from plug (9).

7. Remove spring (11) and piston (10).

8. Repeat Step 6 for the opposite side.
   Show/hide table

   Illustration 7	g01345114

   Show/hide table

   Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force.

9. Remove plug (13), the O-ring seal, and spring (14).

10. Remove plug (17), the O-ring seal, spring (16), and spool (15).
    Show/hide table

    Illustration 8	g01374429

    Note: Do not move nut (14A) preset from supplier.

11. Remove plug (14B), O-ring seal (14C), O-ring seal (14D), retainer (14E), spring (14F), and valve (14G).
    Show/hide table

    Illustration 9	g01345116

12. Remove lip seal (18).
    Show/hide table

    Illustration 10	g01374430

13. Remove springs (19), springs (20), O-ring seal (23), bearing race (23A), barrel (22), and piston (21).

14. Remove the O-ring seals from piston (21).
    Show/hide table

    Illustration 11	g01345120

15. Remove pins (24).
    Show/hide table

    Illustration 12	g01345123

    Show/hide table

    Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force.

16. Use Tooling (A) and a suitable press in order to remove retaining ring (25) from barrel (22).
    Show/hide table

    Illustration 13	g01345124

17. Remove washers (26) and spring (27) from barrel (22).
    Show/hide table

    Illustration 14	g01345125

18. Remove piston (28) and the O-ring seal.
    Show/hide table

    Illustration 15	g01345126

19. Remove discs (29) and plates (30).
    Show/hide table

    Illustration 16	g01345127

20. Remove retainer (31), bearing (33), and pistons (32).
    Show/hide table

    Illustration 17	g01345129

21. Remove swashplate (34).
    Show/hide table

    Illustration 18	g01374432

    Show/hide table

    Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force.

22. Remove pistons (36) and shaft (35).

23. Use a suitable press in order to remove bearing race (36A).
    Show/hide table

    Illustration 19	g01345131

24. Remove balls (37), bearing (38), and springs (39).
    Show/hide table

    Illustration 20	g01345132

25. Use Tooling (B) in order to remove retaining ring (40).

26. Remove plugs (42) and the O-ring seals.

27. Use Tooling (C) in order to remove cover (41).
    Show/hide table

    Illustration 21	g01345133

28. Remove O-ring seal (43) and carrier assembly (44).
    Show/hide table

    Illustration 22	g01345135

29. Use Tooling (D) in order to remove retaining rings (46).

30. Remove gears (45) and gear (47).
    Show/hide table

    Illustration 23	g01345136

31. Use Tooling (E) in order to remove retaining ring (48).

32. Remove gear (49).
    Show/hide table

    Illustration 24	g01345138

33. Use Tooling (D) in order to remove retaining rings (50).

34. Remove gears (51).
    Show/hide table

    Illustration 25	g01345141

    Show/hide table

    Illustration 26	g01345140

    Show/hide table

    Illustration 27	g01345143

35. Drill the stakes from nut (52).

36. Install spindle (54) and housing (53) onto Tooling (F). Install Tooling (F) onto the bottom half of Tooling (G).

37. Install Tooling (H) and Tooling (J).

38. Install the remaining pieces of Tooling (G).

39. Remove nut (52).
    Show/hide table

    Illustration 28	g01345144

40. Use Tooling (H) and a suitable press in order to remove spindle (54) from housing (53).
    Show/hide table

    Illustration 29	g01345142

41. Remove Dou-Cone seals (56) and (55).
    Show/hide table

    Illustration 30	g01345145

42. Use Tooling (J) in order to remove bearing race (57).
    Show/hide table

    Illustration 31	g01345147

43. Remove bearing assemblies (58) and bearing race (59).