Isuzu KB P190. Manual — part 1184
Manual Transmission (MUX) 7B1-17
Legend
24. Control unit block
25. Taper bolt
26. Control rod assembly
27. Rear gutter
28. Counter 5th gutter
29. Front gutter
30. Counter 2nd gutter
31. Reverse shift arm apring pin
32. Reverse shift arm
33. 1st-2nd shift arm spring pin
34. 1st-2nd shift arm
35. Intermediate plate assembly
36. Magnet
37. 1st-2nd shift block spring pin
38. 1st-2nd shift block
39. 1st-2nd shift rod
40. Reverse shift rod
41. Reverse shift rod snap ring
42. 3rd-4th-5th shift rod
43. 3rd-4th-5th shift rod snap ring
44. 3rd-4th shift arm assembly
45. 5th-Reverse shift block assembly
46. 5th shift arm
47. 5th shift arm spring pin
48. Shift rod bracket
49. Shift & select rod assembly
RTW77BLF002001
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48
44
42
43
47
26
24
25
29
27
28
35
34
33
32
39
40
41
45
46
36
38
37
41
43
30
31
7B1-18 Manual Transmission (MUX)
Legend
50. Output shaft assembly
51. Pilot bearing
52. Pilot bearing spacer
53. 3rd-4th hub snap ring
54. 3rd-4th block ring
55. Plate spring
56. 3rd-4th synchronizer assembly
57. 3rd input gear needle bearing
58. 3rd input gear assembly
59. 5th hub snap ring
60. 5th synchronizer assembly
61. 5th block ring
62. 5th input gear needle bearing (2 piece type)
63. 5th input gear assembly
64. Input shaft assembly
65. Rubber seal
66. Counter end snap ring
67. Output counter gear
68. 3rd counter gear
69. 5th counter gear
70. Counter middle roller bearing outer race
71. Counter shaft assembly
Removal
1. Clean the exterior of the unit with solvent.
2. Remove the drain plug with gasket and drain the
lubricant.
3. Remove the front cover.
4. In order to protect the front oil seal lip, wrap a tape
around the spline portion of the input shaft.
5. Remove the quadrant box and two dowels.
6. Remove the control unit block by performing the
following steps.
a. Push the control unit block ahead.
RTW77BLF004701
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56
54
57
58
64
63
62
61
60
59
65
66
67
68
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70
71
Manual Transmission (MUX) 7B1-19
b. Remove the taper bolt, and discard the used
taper bolt.
c. Remove the control unit block.
7. Remove the reverse switch (Connector color
Brown), 1st switch (Connector color Gray) and
neutral switch (Connector color Brown) with
gasket.
Remove the three detent assemblies, and discard
the used 5th & reverse detent assemblies.
8. Remove the two harness brackets.
9. Remove the speedometer driven gear and plate.
(4x2 model)
10. Remove the end cover assembly.
11. Remove the gear set clip. (4x2 model)
12. Remove the speedometer drive gear. (4x2 model)
13. Stand the transmission assembly.
14. Remove the output shaft snap ring (1).
15. Remove the output rear bearing inner race (2).
16. Remove the rear case assembly (1).
17. Remove the magnet (2).
18. Remove the intermediate plate assembly with gear
(1) from the front case.
19. Remove the tape from the spline portion of the
input shaft.
20. Remove the front gutter (1) and rear gutter (3), and
discard the used gutters.
RTW77BSH006001
RTW77BSH003901
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RTW77BSH008101
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RTW77BSH007501
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7B1-20 Manual Transmission (MUX)
21. Remove the counter 2nd gutter (4) and counter 5th
gutter (2).
22. Remove the shift rod bracket (1).
23. Remove the shift & select rod assembly (1).
24. Remove the control rod assembly (1).
25. Use a spring pin remover to remove the 1st-2nd
shift arm spring pin.
26. Remove the shift rod (2) with the 1st-2nd shft block
(3).
27. Remove the 1st-2nd shift arm (1).
28. Use a spring pin remover to remove the reverse
shift arm spring pin.
RTW77BSH007601
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4
3
2
RTW77BSH007701
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RTW77BSH007801
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RTW77BSH007901
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RTW77BSH008001
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