Transmission Control Valve - Disassemble... 12H, 140H and 160H Motor Graders Power Train Caterpillar | Spare parts

April 27, 2019 | Author: abdelrhmangbr86 | Category: Valve, Electrical Connector, Piston, Washer (Hardware), Screw
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Transmission Control Valve - Disassemble... 12H, 140H and 160H Motor Graders Power Train Caterpillar EPS Machine Manufacturer 30 Years Experience Selling Quality eps machine. Good Service!

Usage: 160H 2FM 12H ES 2GS 160H ES 2HS 12H ES 2LR 12H NA 2WR 140H NA 160H NA 2ZK 140H ES 3AS 160H 160 H NA NA 3G 3GM M 12 12H H 4E 4ER R 12H 12H NA  NA 4XM 140 140H H 5H 5HM M 12H 5ZM 16 160H 0H ES 6WM 140H 8JM 140H ES 8KM 12H NA 8MN 160H NA 9EJ 160H 9JM 140H NA 9TN 140H NA 9ZN 12H XZJ 160H XZK

Disassembly Di sassembly Procedure Table 1 Required Tools Tool

Part Number

Part Description

Qty

A

1P-1855

Retaining Ring Pliers

1

B

1P-1853

Retaining Ring Pliers

1

Start By:

1. Remove the transmission control valve. Refer to Disassembly and Assembly, "Transmission Control Valve - Remove" for the t he correct procedure. Note: Install the caps and the plugs on all openings in order to prevent dirt or debris from

entering the system. Cleanliness is an important factor. Before the removal procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal component.

Illustration 1

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Illustration 2

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( 4) and (54) in transmission control Note: There are two selector and pressure control valves (4) valve (3) . 1. Remove two hex head bolts (1) and the washers from the transmission control valve (3) . 2. Remove cover (2) from the transmission control valve (3) . 3. Remove selector and pressure control valve (4) from the main transmission control valve body (3) .

Illustration 3

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4. Remove two dowels (5) from selector and pressure control valve (4) . 5. Remove O-ring seal (6) from selector and pressure control valve (4) . 6. Remove O-ring seal (7) (not shown) from selector and pressure control valve (4) . Note: Mark the location of the O-ring seals for assembly purposes.

Illustration 4

7. Remove adapter (8) from selector and pressure control valve (4) .

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Illustration 5

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8. Remove O-ring seal (9) from adapter (8) . 9. Remove slug (10) and spool (11) from selector and pressure control valve (4) .

Illustration 6

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Illustration 7

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10. Remove the plunger (not shown) that is over coupler (14) from selector and pressure control valve (4). Some machines may not have this plunger. 11. Remove the O-ring seal from the plunger. 12. Remove adapter (12) from selector and pressure control valve (4) . 13. Remove the O-ring seals from adapter (12) . 14. Remove plunger (13) from selector and pressure control valve (4) . 15. Remove coupler (14) and lip type seal (15) from plunger assembly (13) .

Illustration 8

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16. Use Tooling (A) (not shown) in order to remove retaining ring (16) from plunger assembly (13) .

Illustration 9

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Illustration 10

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17. Remove outer spring (17), retainer (18), eight spacer (19), inner spring (20) and piston (21) from plunger assembly (13) . 18. Use Tooling (A) in order to remove retaining ring (22) from plunger assembly (13) . 19. Remove stop (23) and spring (24) from plunger assembly (13) .

Illustration 11

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20. Remove four locknuts (25) and four coil assemblies (26) from selector and pressure control valve (4) .

Illustration 12

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21. Remove four cartridge assemblies (27) and the O-ring seals from manifold (29) . 22. Remove the O-ring seals from four cartridge assemblies (27) . 23. Remove five socket head bolts (28) and the washers from manifold (29) . 24. Remove manifold (29) from selector and pressure control valve (4) .

Illustration 13

25. Remove nine O-ring seals (30) from manifold (29) .

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Illustration 14

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Illustration 15

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26. Remove four piston selectors (31), shims (32), the spacers, four outer springs (33), and four inner springs (34) from selector and pressure control valve (4) . Note: Mark the location of the valves, the shims, the spacers, and the springs for assembly purposes.

Illustration 16

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Illustration 17

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27. Remove four adjuster assemblies (35), four load pistons (43), four spools (44), four orifices with O-ring seals (45), four retainers (46), four inner springs (47), four slugs (48) and four outer springs (49) from selector and pressure control valve (4) . 28. Remove eight dust caps (41) from eight nipple assemblies (42) . 29. Remove eight nipple assemblies (42) and the O-ring seals from selector and pressure control valve (4) .

Illustration 18

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30. Remove the eight O-ring seals from eight nipple assemblies (42) .

Illustration 19

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31. Remove nut (52), hard washer (51), the plug, and adjustment screw (50) from adjuster assembly (35) . 32. Remove the O-ring seals from adjuster assembly (35) and adjusting screw (50) .

Illustration 20

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Illustration 21

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33. Remove two orifice plugs (36) and the two O-ring seals from selector and pressure control valve (4) . 34. Remove plug (37) and the O-ring seal from selector and pressure control valve (4) . 35. Remove the two O-ring seals from orifice plug (36) and plug (37) .

Illustration 22

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Note: Switch (38) is present only on all wheel drive motor graders.

36. Remove switch (38), switch (39), the adapter, and the bonded seal from selector and pressure control valve (4) . Note: Mark the position of the adapter for assembly purposes. 37. Remove the wire assembly connectors, the bolt, and bracket (40) from selector and pressure control valve (4) . Note: Some machines do not have the solenoids, the adapter, the bonded seal, the wire assembly connectors, and the bracket on selector and pressure control valve (4) .

Illustration 23

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38. Remove plate (53) and selector and pressure control valve (54) from the manifold (60) .

Illustration 24

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39. Remove two dowels (55), O-ring seal (56) and O-ring seal (57) from selector and pressure control valve (46) . Note: Mark the location of the O-ring seals for installation purposes.

Illustration 25

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40. Remove four locknuts (58), the four washers, and four coil assemblies (59) from manifold (60) .

Illustration 26

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41. Remove four cartridge assemblies (62) and the O-ring seals from manifold (60) . 42. Remove the O-ring seals from cartridge assemblies (62) . 43. Remove five socket head bolts (61) and the washers from manifold (60) . 44. Remove manifold (60) from selector and pressure control valve (46) .

Illustration 27

45. Remove nine O-ring seals (63) from manifold (60) .

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Illustration 28

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46. Remove adjuster assembly (64) from selector and pressure control valve (46) .

Illustration 29

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47. Remove nut (67), hard washer (66), the plug, and adjustment screw (65) from adjuster assembly (64) . 48. Remove the O-ring seals from adjuster assembly (64) and adjustment screw (65) .

Illustration 30

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49. Remove stop (71), spring (70), spool assembly (69), and slug (68) from selector and pressure control valve (46) .

Illustration 31

50. Use Tooling (B) in order to remove retaining ring (75) from spool assembly (69) . 51. Remove retainer (74), spring (73) and ball (72) from spool assembly (69) .

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Illustration 32

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Illustration 33

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52. Rotate the valve assembly by 180 degrees. Remove four piston selectors (81), 14 shims (84), the three spacers, four outer springs (83), and three inner springs (82) from selector and pressure control valve (46). There is only one spring under piston selector (81) on the far right of the valve assembly. Note: Mark the location of the valves, the shims, and the springs for assembly purposes.

Illustration 34

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Illustration 35

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53. Remove hex socket plug (76) with the O-ring seal from selector and pressure control valve (46) . 54. Remove inner spring (77), outer spring (78), spool (79) and slug (80) from selector and pressure control valve (46) . 55. Remove the O-ring seal from hex socket plug (76) .

Illustration 36

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56. Remove three plugs (89), orifice (90) and plug (91) from selector and pressure control valve (46) .

Illustration 37

57. Remove the O-ring seals from three plugs (89), orifice (90) and plug (91) .

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Illustration 38

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58. Rotate the adjuster assemblies by 180 degrees. Remove four adjuster assemblies (85) with the O-ring seals from selector and pressure control valve (46) .

Illustration 39

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59. Remove nut (88), hard washer (87), the plug, and adjustment screw (86) from adjuster assemblies (85) . 60. Remove the O-ring seals from adjuster assemblies (85) and adjustment screw (86) .

Illustration 40

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61. Remove four load pistons (92), four spools (93), four orifices with O-ring seals (94), four orifices (95), four inner springs (96), four slugs (97), four retainers, and four outer springs (98) from selector and pressure control valve (46) . 62. Remove the O-ring seals from four orifices (94) .

Illustration 41

63. Remove plate (99) from manifold (100) .

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Illustration 42

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64. Remove O-ring seal (101) and O-ring seal (103) from manifold (100) . 65. Remove screen (104) and two dowels (102) from manifold (100) .

Illustration 43

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Illustration 44

66. Use Tooling (B) in order to remove retaining ring (105) from manifold (100) . 67. Remove retainer (107), spring (106) and poppet (108) from manifold (100) .

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