14L Motor Grader Rear Axle, Differential and Final Drive - Disassemble Caterpillar

Disassembly Procedure

Start By:

1. Remove the rear axle.

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Illustration 1	g01413868

1. Use Tooling (A), Tooling (B), and two suitable lifting devices in order to position rear axle (1) onto suitable blocking. The weight of rear axle (1) is approximately 1089 kg (2400 lb).
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   Illustration 2	g01418559

2. Remove bolts (3), retainer (4), shims (5), sprocket (2), and sprocket (6).

   Note: Note the quantity and the order of shims (5).

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   Illustration 3	g01414357

3. Remove bearing cone (7).
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   Illustration 4	g01412778

4. Attach Tooling (A), Tooling (C), and two suitable lifting devices onto final drive housing (8). The weight of final drive housing (8) is approximately 191 kg (420 lb). Remove nuts (9) and bolts (9A).

5. Use Tooling (D) in order to remove final drive housing (8).
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   Illustration 5	g01419912

6. Remove bolts (10). Remove retainer (11).
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   Illustration 6	g01352280

7. Remove shims (12). Use Tooling (A) and a suitable lifting device in order to remove housing (13). The weight of housing (13) is approximately 54 kg (120 lb).

   Note: Note the quantity and the order of shims (12).

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   Illustration 7	g01352292

8. Remove thrust washer (14). Remove wear sleeves (15).
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   Illustration 8	g01352299

9. Turn over housing (13). Remove lip seal (16).
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   Illustration 9	g01414353

10. Remove bearing cup (17). Remove thrust washer (18).
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    Illustration 10	g01352320

11. Remove lip seal (19). Remove bearing cup (20).
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    Illustration 11	g01419983

12. Attach Tooling (E) and a suitable lifting device in order to remove carrier assembly (21) and drive shaft (22). The weight of carrier assembly (21) and drive shaft (22) is approximately 136 kg (300 lb).
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    Illustration 12	g01419985

13. Use Tooling (F) in order to remove bearing cone (23).
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    Illustration 13	g01352339

14. Remove retaining ring (24) in order to remove axle shaft (22) from carrier assembly (21).
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    Illustration 14	g01352406

15. Remove bolts (25) and retainer (26). Remove pin (27). Remove gear (28). Remove thrust washers (29) and bearings (30). Repeat this step for the remaining planetary gears.
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    Illustration 15	g01352384

16. Remove axle shaft assembly (31).
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    Illustration 16	g01352402

17. Remove retaining ring (32) in order to remove gear (33) from axle shaft (34).
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    Illustration 17	g01352438

18. Use Tooling (D) in order to separate ring gear (35) from the intermediate housing.
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    Illustration 18	g01352445

19. Use Tooling (B) and a suitable lifting device in order to remove ring gear (35). The weight of ring gear (35) is approximately 25 kg (55 lb).

20. Repeat Step 2 through Step 19 for the opposite side.
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    Illustration 19	g01353587

21. Position differential housing (36) with intermediate housing (37) upward.
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    Illustration 20	g01419994

22. Attach a suitable lifting device onto pinion (38). Use Tooling (H) in order to separate pinion (38) from the center housing. Remove bolts (39) in order to remove pinion (38). The weight of pinion (38) is approximately 56 kg (123 lb).
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    Illustration 21	g01353021

23. Remove shims (40). Remove O-ring seal (41).

    Note: Note the order and the quantity of shims (40).

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    Illustration 22	g01353002

24. Remove bolt (42). Remove retainer (43). Remove yoke (44). Remove guard (45).
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    Illustration 23	g01353512

25. Remove shims (46). Remove lip seal (47).

    Note: Note the order and the quantity of shims (46).

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    Illustration 24	g01353570

26. Remove pinion (48). Remove bearing cone (49). Remove bearing cup (50). Remove bearing cone (51). Remove bearing cup (52).
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    Illustration 25	g01420086

27. Remove setscrews (53).
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    Illustration 26	g01419995
    Typical Example

28. Use Tooling (G) in order to remove nut assembly (54).
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    Illustration 27	g01420082

29. Remove bolts (55). Remove bolts (56).
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    Illustration 28	g01419996

30. Use Tooling (J) in order to separate intermediate housing (37) from differential housing (36).
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    Illustration 29	g01420124

31. Attach Tooling (E) and a suitable lifting device in order to remove intermediate housing (37). The weight of intermediate housing (37) is approximately 32 kg (71 lb).
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    Illustration 30	g01352893

32. Remove shims (57).
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    Illustration 31	g01352898

33. Attach Tooling (A) and a suitable lifting device in order to remove bearing assembly (58) and differential (59). The weight of bearing assembly (58) and differential (59) is approximately 102 kg (225 lb).
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    Illustration 32	g01352982

34. Remove bolts (60). Remove shroud (61).
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    Illustration 33	g01419997

35. Use Tooling (F) in order to remove bearing assembly (62).
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    Illustration 34	g01354900

36. Remove bearing cone (63). Remove bearing cups (64).
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    Illustration 35	g01420000

37. Use Tooling (J) in order to remove spacer (65) and bearing cone (66).

    Note: This step is a destructive procedure. Replace bearing cone (66).

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    Illustration 36	g01353751

38. Remove retaining ring (67). Remove bearing race (68). Remove O-ring seals (69). Remove thrust ring (70).
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    Illustration 37	g01353760

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    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.

39. Remove bolts (71). Remove case (72).
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    Illustration 38	g01353766

40. Remove thrust washer (73). Remove plates (74) and discs (75). Remove springs (76).

    Note: Note the quantity and the order of plates (74) and discs (75).

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    Illustration 39	g01353940

41. Remove housing (77).
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    Illustration 40	g01353944

42. Remove differential gear (78).
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    Illustration 41	g01353945

43. Remove spider assembly (79).
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    Illustration 42	g01353954

44. Remove thrust washer (80), pinion gear (81), and bearing sleeve (82) from spider (83). Repeat this step for the remaining pinion gears (81).
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    Illustration 43	g01353965

45. Remove differential gear (84). Remove thrust washer (85).
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    Illustration 44	g01353970

46. Use suitable lifting device in order to turn over housing (86) and bevel gear (87). The combined weight of housing (86) and bevel gear (87) is approximately 59 kg (130 lb). Remove bolts (88). Use two people in order to remove housing (86) from bevel gear (87). The weight of housing (86) is approximately 41 kg (90 lb). The weight of bevel gear (87) is approximately 19 kg (41 lb).
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    Illustration 45	g01355203

47. Remove bearing assembly (89). Remove piston (90).
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    Illustration 46	g01355208

48. Remove thrust race (91), thrust bearing (92), and thrust race (93) from piston (90).
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    Illustration 47	g01355211

49. Remove seals (94) from piston (90).