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

Assembly Procedure

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 4 through 54 in order to assemble the fourth function valve section.

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Illustration 1	g03335944

1. Install O-ring seals (113), O-ring seals (115), and O-ring seal (116) to cover (111). Install fitting (114) and the O-ring seal.
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   Illustration 2	g03335941

2. Install plug (112) and the O-ring seal.
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   Illustration 3	g03335923

3. Install bolts (110) to cover (111).
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   Illustration 4	g03335920

4. Install fittings (109).
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   Illustration 5	g03335914

5. Install plug (108) and the O-ring seal.
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   Illustration 6	g03335912

6. Install plug (107) (not shown) and the O-ring seal. Install plug (106) and the O-ring seal.
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   Illustration 7	g03335907

7. Install orifice (105) (not shown). Tighten orifice (105) to a torque of 10 ± 4 N·m (89 ± 35 lb in).
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   Illustration 8	g03335904

8. Install plug (104) and the O-ring seal.
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   Illustration 9	g03335874

9. Install O-ring seal (101) to seat (100).
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   Illustration 10	g03335869

10. Install seat (100) to valve (91). Tighten seat (100) to a torque of 22 ± 2 N·m (195 ± 18 lb in).
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    Illustration 11	g03335865

11. Install backup ring (99) and O-ring seal (98).
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    Illustration 12	g03335807

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    Illustration 13	g03337117

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    Improper assembly of parts that are spring loaded can cause bodily injury. To prevent possible injury, follow the established assembly procedure and wear protective equipment.

12. Install valve (97) and spring (96) to valve (91).

13. Install retainer (95) and nut (94) to Dimension (Z) that was obtained during the disassembly process. Tighten nut (94) to a torque of 35 ± 5 N·m (26 ± 4 lb ft).
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    Illustration 14	g03335806

14. Install cap (93) onto valve (91).
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    Illustration 15	g03335804

15. Install O-ring seal (92) to valve (91).
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    Illustration 16	g03335796

16. Install valve (91) and bolts (90). Tighten bolts (90) to a torque of 35 ± 5 N·m (26 ± 4 lb ft).
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    Illustration 17	g03336194

17. Lower the temperature of seat (88) (not shown). Use a suitable press in order to install seat (88) (not shown) into body assembly (83).
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    Illustration 18	g03336171

18. Install seal (89) into body assembly (83).
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    Illustration 19	g03336200

19. Use a suitable press in order to install bearing (87) (not shown) flush with the top of body assembly (83).
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    Illustration 20	g03336202

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    Illustration 21	g03336239

20. Use Tooling (D) and a suitable press in order to press bearing (87) into body assembly (83) to Depth (E). Depth (E) is equal to 3.10 ± 0.10 mm (0.122 ± 0.004 inch).
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    Illustration 22	g03335722

21. Install plug (86) and the O-ring seal to valve (78). Tighten plug (86) to a torque of 20 ± 2 N·m (177 ± 18 lb in).

22. Install retaining ring (85) and stem (84) to valve (78).
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    Illustration 23	g03335718

23. Install O-ring seal (82), backup ring (81), and O-ring seal (80) to body assembly (83). Install spring (79) and valve (78).
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    Illustration 24	g03335706

24. Install valve (77) and spring (76). Install O-ring seal (75) onto retainer assembly (74).
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    Illustration 25	g03335705

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    Illustration 26	g03335700

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    Improper assembly of parts that are spring loaded can cause bodily injury. To prevent possible injury, follow the established assembly procedure and wear protective equipment.

25. Install retainer assembly (74) and nut (73) to relief and check valve (72). Make sure that Dimension (Y), that was obtained during the disassembly process, is maintained. Tighten nut (73) to a torque of 50 ± 7 N·m (37 ± 5 lb ft).
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    Illustration 27	g03335697

26. Install relief and check valve assembly (72). Tighten relief and check valve assembly (72) to a torque of 145 ± 15 N·m (107 ± 11 lb ft).
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    Illustration 28	g03335695

27. Install retainer (69), spring (70), and retainer (71).
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    Illustration 29	g03335692

28. Install fitting (68) and the O-ring seal to housing assembly (61).
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    Illustration 30	g03335691

29. Install O-ring seals (67) onto cartridge (66).
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    Illustration 31	g03335690

30. Install cartridge (66). Tighten cartridge (66) to a torque of 35 ± 3 N·m (26 ± 2 lb ft).
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    Illustration 32	g03335685

31. Install solenoid (65). Make sure that the orientation of solenoid (65) is correct. Install nut (64). Tighten nut (64) to a torque of 20 ± 3 N·m (177 ± 27 lb in).
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    Illustration 33	g03335678

32. Install O-ring seals (62) and O-ring seal (63) onto housing assembly (61).
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    Illustration 34	g03335675

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    Improper assembly of parts that are spring loaded can cause bodily injury. To prevent possible injury, follow the established assembly procedure and wear protective equipment.

33. Install housing assembly (61).
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    Illustration 35	g03335673

34. Install valve (58) and spring (59). Install O-ring seal (60) onto plug (57).
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    Illustration 36	g03335640

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    Improper assembly of parts that are spring loaded can cause bodily injury. To prevent possible injury, follow the established assembly procedure and wear protective equipment.

35. Install plug (57). Tighten plug (57) to a torque of 300 ± 40 N·m (220 ± 30 lb ft).
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    Illustration 37	g03336384

36. Lower the temperature of seat (55) (not shown). Use a suitable press in order to install seat (55) (not shown) into body assembly (50).
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    Illustration 38	g03336392

37. Install seal (56) into body assembly (50).
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    Illustration 39	g03336400

38. Use a suitable press in order to install bearing (54) (not shown) flush with the top of body assembly (50).
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    Illustration 40	g03336408

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    Illustration 41	g03336421

39. Use Tooling (D) and a suitable press in order to press bearing (54) into body assembly (50) to Depth (E). Depth (E) is equal to 3.10 ± 0.10 mm (0.122 ± 0.004 inch).
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    Illustration 42	g03335414

40. Install plug (53) and the O-ring seal to valve (45). Tighten plug (53) to a torque of 20 ± 2 N·m (177 ± 18 lb in).

41. Install retaining ring (52) and stem (51) to valve (45).
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    Illustration 43	g03335411

42. Install O-ring seal (49), backup ring (48), and O-ring seal (47) to body assembly (50). Install spring (46) and valve (45).
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    Illustration 44	g03335408

43. Install valve (44) and spring (43). Install O-ring seal (42) onto retainer assembly (41).
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    Illustration 45	g03335404

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    Illustration 46	g03335350

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    Improper assembly of parts that are spring loaded can cause bodily injury. To prevent possible injury, follow the established assembly procedure and wear protective equipment.

44. Install retainer assembly (41) and nut (40) to relief and check valve (39). Make sure that Dimension (X), that was obtained during the disassembly process, is maintained. Tighten nut (40) to a torque of 50 ± 7 N·m (37 ± 5 lb ft).
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    Illustration 47	g03334879

45. Install relief and check valve assembly (39). Tighten relief and check valve assembly (39) to a torque of 145 ± 15 N·m (107 ± 110 lb ft).
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    Illustration 48	g03645605

46. Install spool (35), retainer (36), spring (37), and retainer (38) to valve body (26).
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    Illustration 49	g03645608

47. Install fitting (34) and the O-ring seal to housing assembly (27).
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    Illustration 50	g03334863

48. Install O-ring seals (33) on cartridge (32).
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    Illustration 51	g03334862

49. Install cartridge (32). Tighten cartridge (32) to a torque of 35 ± 3 N·m (26 ± 2 lb ft).
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    Illustration 52	g03334859

50. Install solenoid (31). Make sure that the orientation of solenoid (31) is correct. Install nut (30). Tighten nut (30) to a torque of 20 ± 3 N·m (177 ± 27 lb in).
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    Illustration 53	g03334857

51. Install O-ring seals (28) and O-ring seal (29) to housing assembly (27).
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    Illustration 54	g03334843

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    Improper assembly of parts that are spring loaded can cause bodily injury. To prevent possible injury, follow the established assembly procedure and wear protective equipment.

52. Install housing assembly (27).
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    Illustration 55	g03334838

53. Install valve body (26).
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    Illustration 56	g03334836

54. Install O-ring seal (25), O-ring seals (24), and O-ring seals (23).
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    Illustration 57	g03334835

55. Install plug (22) and the O-ring seal to valve block (7). Install fittings (20) and (21) and the O-ring seals. Make sure that the orientation of fitting (20) is correct.
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    Illustration 58	g03334829

56. Install orifice (19).
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    Illustration 59	g03334682

57. Install fitting (18) and the O-ring seal. Make sure that the orientation of fitting (18) is correct.
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    Illustration 60	g03334677

58. Install O-ring seal (11) to shuttle valve (10). Install O-ring seal (12) and backup ring (13). Install backup ring (16) and O-ring seal (17). Install O-ring seal (14) and backup ring (15).
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    Illustration 61	g03334673

59. Install shuttle valve (10). Tighten shuttle valve (10) to a torque of 70 ± 7 N·m (52 ± 5 lb ft).
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    Illustration 62	g03334669

60. Install O-ring seals (9) on main relief plug (8).
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    Illustration 63	g03334604

61. Install main relief plug (8). Tighten main relief plug (8) to a torque of 65 ± 7 N·m (48 ± 5 lb ft).
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    Illustration 64	g03334596

62. Install valve block (7).
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    Illustration 65	g03334582

63. Install nuts (6). Tighten nuts (6) to a torque of 105 ± 10 N·m (77 ± 7 lb ft).
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    Illustration 66	g03334581

64. Attach Tooling (A) and a suitable lifting device to auxiliary control valve (1). Set auxiliary control valve (1) on mounting plate (5).
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    Illustration 67	g03334580

65. Install bolts (4).
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    Illustration 68	g03334579

66. Install bolt (3). Connect harness assemblies (2).

End By:

1. Install the auxiliary control valve.