950M, 962M, 950M Z and 962M Z Wheel Loaders Caterpillar

Disassembly Procedure

Start By:

1. Remove the auxiliary control valve.

Note: The auxiliary valve in this procedure only has a third function valve section. However the auxiliary control valve may also contain a fourth function valve section. In this case repeat Steps 14 through 64 in order to disassemble the fourth function valve section.

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Illustration 1	g03334463

1. Attach Tooling (A) and a suitable lifting device to auxiliary control valve (1). The weight of auxiliary control valve (1) is approximately 57 kg (125 lb). Use Tooling (A) and the suitable lifting device in order to position auxiliary control valve (1) onto Tooling (B).
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   Illustration 2	g03334579

2. Disconnect harness assemblies (2). Remove bolt (3).
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   Illustration 3	g03334580

3. Remove bolts (4).
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   Illustration 4	g03334581

4. Attach Tooling (A) and a suitable lifting device to auxiliary control valve (1). Use Tooling (A) and the suitable lifting device in order to separate auxiliary control valve (1) from mounting plate (5).
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   Illustration 5	g03334582

5. Remove nuts (6).
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   Illustration 6	g03334596

6. Remove valve block (7).
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   Illustration 7	g03334604

7. Remove main relief plug (8).
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   Illustration 8	g03334669

8. Remove O-ring seals (9) from main relief plug (8).
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   Illustration 9	g03334673

9. Remove shuttle valve (10).
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   Illustration 10	g03334677

10. Remove backup ring (15) and O-ring seal (14) from shuttle valve (10). Remove O-ring seal (17) and backup ring (16). Remove backup ring (13) and O-ring seal (12). Remove O-ring seal (11).
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    Illustration 11	g03334682

    Note: Mark the orientation of fitting (18) for assembly purposes.

11. Remove fitting (18) and the O-ring seal.
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    Illustration 12	g03334829

12. Remove orifice (19).
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    Illustration 13	g03334835

    Note: Mark the orientation of fitting (20) for assembly purposes.

13. Remove fittings (20) and (21) and the O-ring seals from valve block (7). Remove plug (22) and O-ring seal.
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    Illustration 14	g03334836

14. Remove O-ring seals (23), O-ring seals (24), and O-ring seal (25).
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    Illustration 15	g03334838

15. Remove valve body (26).
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    Illustration 16	g03334843

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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.

16. Remove housing assembly (27).
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    Illustration 17	g03334857

17. Remove O-ring seals (28) and O-ring seal (29) from housing assembly (27).
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    Illustration 18	g03334859

    Note: Mark the orientation of solenoid (31) for assembly purposes.

18. Remove nut (30) and solenoid (31).
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    Illustration 19	g03334862

19. Remove cartridge (32).
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    Illustration 20	g03334863

20. Remove O-ring seals (33) from cartridge (32).
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    Illustration 21	g03334865

    Note: Mark the orientation of fitting (34) for assembly purposes.

21. Remove fitting (34) and the O-ring seal from housing assembly (27).
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    Illustration 22	g03334876

22. Remove retainer (38), spring (37), retainer (36), and spool (35) from valve body (26).
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    Illustration 23	g03334879

23. Remove relief and check valve assembly (39).
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    Illustration 24	g03335350

24. Measure Dimension (X). Record Dimension (X) for assembly purposes.

25. Remove nut (40) from relief and check valve assembly (39).
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    Illustration 25	g03335404

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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.

26. Remove retainer assembly (41).
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    Illustration 26	g03335408

27. Remove O-ring seal (42) from retainer assembly (41). Remove spring (43) and valve (44).
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    Illustration 27	g03335411

28. Remove valve (45) and spring (46). Remove O-ring seal (47), backup ring (48), and O-ring seal (49) from body assembly (50).
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    Illustration 28	g03335414

29. Remove stem (51) and retaining ring (52) from valve (45). Remove plug (53) and the O-ring seal.
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    Illustration 29	g03335480

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    Illustration 30	g03335626

30. Use Tooling (C) and a suitable press in order to remove bearing (54) and seat (55) from body assembly (50).
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    Illustration 31	g03335632

31. Remove seal (56) from body assembly (50).
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    Illustration 32	g03335640

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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.

32. Remove plug (57).
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    Illustration 33	g03335673

33. Remove O-ring seal (60) from plug (57). Remove spring (59) and valve (58).
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    Illustration 34	g03335675

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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.

34. Remove housing assembly (61).
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    Illustration 35	g03335678

35. Remove O-ring seals (62) and O-ring seal (63) from housing assembly (61).
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    Illustration 36	g03335685

    Note: Mark the orientation of solenoid (65) for assembly purposes.

36. Remove nut (64) and solenoid (65).
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    Illustration 37	g03335690

37. Remove cartridge (66).
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    Illustration 38	g03335691

38. Remove O-ring seals (67) from cartridge (66).
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    Illustration 39	g03335692

    Note: Mark the orientation of fitting (68) for assembly purposes.

39. Remove fitting (68) and the O-ring seal from housing assembly (61).
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    Illustration 40	g03335695

40. Remove retainer (71), spring (70), and retainer (69).
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    Illustration 41	g03335697

41. Remove relief and check valve assembly (72).
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    Illustration 42	g03335700

42. Measure Dimension (Y). Record Dimension (Y) for assembly purposes.

43. Remove nut (73) from relief and check valve assembly (72).
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    Illustration 43	g03335705

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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.

44. Remove retainer assembly (74).
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    Illustration 44	g03335706

45. Remove O-ring seal (75) from retainer assembly (74). Remove spring (76) and valve (77).
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    Illustration 45	g03335718

46. Remove valve (78) and spring (79). Remove O-ring seal (80), backup ring (81), and O-ring seal (82) from body assembly (83).
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    Illustration 46	g03335722

47. Remove stem (84) and retaining ring (85) from valve (78). Remove plug (86) and the O-ring seal.
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    Illustration 47	g03335792

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    Illustration 48	g03335794

48. Use Tooling (C) and a suitable press in order to remove bearing (87) and seat (88) from body assembly (83).
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    Illustration 49	g03335795

49. Remove seal (89) from body assembly (83).
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    Illustration 50	g03335796

50. Remove bolts (90) in order to remove valve (91).
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    Illustration 51	g03335804

51. Remove O-ring seal (92) from valve (91).
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    Illustration 52	g03335806

52. Remove cap (93) from valve (91).
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    Illustration 53	g03337117

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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.

53. Measure Dimension (Z). Record Dimension (Z) for assembly purposes.

54. Remove nut (94) from valve (91).
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    Illustration 54	g03335807

55. Remove retainer (95), spring (96), and valve (97) from valve (91).
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    Illustration 55	g03335865

56. Remove O-ring seal (98) and backup ring (99).
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    Illustration 56	g03335869

57. Remove seat (100) from valve (91).
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    Illustration 57	g03335874

58. Remove O-ring seal (101) from seat (100).
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    Illustration 58	g03335878

59. Remove spring (103) and valve (102).
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    Illustration 59	g03335904

60. Remove plug (104) and the O-ring seal.
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    Illustration 60	g03335907

61. Remove orifice (105) (not shown).
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    Illustration 61	g03335912

62. Remove plug (106) and the O-ring seal. Remove plug (107) (not shown) and the O-ring seal.
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    Illustration 62	g03335914

63. Remove plug (108) and the O-ring seal.
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    Illustration 63	g03335920

64. Remove fittings (109).
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    Illustration 64	g03335923

65. Remove bolts (110) from cover (111).
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    Illustration 65	g03335941

66. Remove plug (112) and the O-ring seal.
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    Illustration 66	g03335944

67. Remove O-ring seals (113), O-ring seals (115), and O-ring seal (116) from cover (111). Remove fitting (114) and the O-ring seal.