D6T Track-Type Tractor Power Train Caterpillar

Disassembly Procedure

Start By:

1. Remove the torque converter.

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Illustration 1	g00533425

1. Use Tooling (A) in order to remove retaining ring (1) from the shaft.

2. Remove planetary carrier (2).
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   Illustration 2	g00533428

3. Remove retainer (4) and retaining ring (3) from planetary carrier (2).
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   Illustration 3	g00533430

4. Use a hammer and a punch in order to push pin (8) into shaft (7).

5. Remove the following components from the planetary carrier: shaft (7), washers (9) and planetary gear (6).

6. Remove bearing (5) from planetary gear (6).

7. Remove pin (8) from shaft (7).
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   Illustration 4	g01248543

8. Position the torque converter on suitable blocking.

9. Remove sensor (10) and outlet relief valve (11).
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   Illustration 5	g01248569

10. Remove bolt (13) and yoke (12). Remove bolts (14).
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    Illustration 6	g01248571

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    Illustration 7	g01248578

11. Attach Tooling (B) and a suitable lifting device to housing assembly (15). The weight of housing assembly (15) is approximately 84 kg (185 lb). Use Tooling (C) in order to separate housing assembly (15) from the torque converter assembly. Remove housing assembly (15).
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    Illustration 8	g01248707

12. Remove retaining ring (18) and gear (19) from housing (15).

13. Remove retaining ring (16) and bearing (17) from housing (15).
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    Illustration 9	g01248772

14. Remove O-ring seal (23) and lip seal (20).

15. Remove bolts (21) and gear (22).
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    Illustration 10	g01248818

16. Remove two bolts (24) with washers from opposite sides of the torque converter. The bolt locations are marked “drain”. Drain the oil from the torque converter.

17. Use Tooling (D) in order to remove retaining ring (25).

18. Remove shaft (26) and the bearing.
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    Illustration 11	g01248826

19. Remove seal ring (28) from shaft (26).

20. Remove bearing (29) from shaft (26).

21. Remove bearing race (27) from the shaft, if necessary.

    Note: Bearing race (27) will be destroyed upon removal.

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    Illustration 12	g01248776

22. Remove the remaining bolts. Install Tooling (C) in impeller (30).

23. Install Tooling (E) and attach a suitable lifting device to the impeller. Tighten Tooling (C) evenly, and remove the impeller with the carrier. The weight of the impeller with the carrier is approximately 30 kg (65 lb).
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    NOTICE
    Use care in disassembly of the torque converter, in order to avoid damage to the stator.

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    Illustration 13	g01248901

24. Remove bolts (31). Remove stator (32) from pins (33).
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    Illustration 14	g01249117

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    Illustration 15	g01248944

25. Use suitable blocks in order to support the torque converter assembly close to the center. Use Tooling (F) in order to remove carrier (34).

26. Remove seal ring (35) and pins (33).
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    Illustration 16	g01248957

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    Illustration 17	g01248960

27. Remove the bolts that fasten retainer (37) to impeller (30). Use Tooling (G) in order to remove retainer (37).

28. Remove dowel (38) from impeller (30).

29. Use Tooling (H) in order to remove carrier (36) with the bearing from impeller (30).
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    Illustration 18	g01248962

30. Remove bearing (39) from carrier (36).
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    Illustration 19	g01248965

31. Use Tooling (J) in order to remove retaining ring (40) from the output flange.

32. Remove turbine wheel (41) from housing (42) and from the output flange. Remove the spacer that is under turbine wheel (41).
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    Illustration 20	g01248969

33. Use two people in order to reposition housing (42). The weight of the housing (42) is approximately 35 kg (75 lb). Remove stop pins (43).

34. Compress retaining ring (44). Remove ring gear (45). Remove the retaining ring.
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    Illustration 21	g01248973

35. Install Tooling (C) in output flange (46). Tighten Tooling (C) evenly, and remove the output flange (46) and oil ring (47) from the housing.
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    Illustration 22	g01248975

36. Remove seal ring (50) from carrier (49) on output flange (46).

37. If necessary, use a chisel in order to break carrier (49). Remove the carrier.

    Note: If the carrier is removed, the component is destroyed.

38. Use Tooling (F) in order to remove two bearings (48) from output flange (46).
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    Illustration 23	g01248981

39. Remove bolts (49) and retainer (50) from housing (42).
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    Illustration 24	g01248983

40. Use Tooling (H) in order to remove bearing (51) from housing (42).