General information on gearbox overhaul

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Transmission overhaul - includes the assembly and disassembly of a large number of small parts. Measurement of multiple gaps with high accuracy, as well as the selection of intermediate rings and shims.

Therefore, the set of tools necessary for overhaul includes pliers for shims, a bearing puller, a wooden hammer, a set of pin punches, a dial indicator and a hydraulic press. Additionally, you will need a large stable workbench, or a stand for the box.

As you take apart the box, remember how each piece comes off, where it comes into contact with the other pieces that hold it in place. 3D image (see pictures) included to indicate the location of parts.


5.4, a. Three-dimensional image of the shafts of the gearbox.
1. Shaft seal.
2. Roller bearing outer race.
3. Front shaft bearing.
4. Primary shaft.
5. Rear shaft bearing.
6. Roller bearing outer race.
7. Bearing preload ring.
8. Plug 5th gear.
9. Roller bearing outer race.
10. Front bearing shaft 5th gear.
11. 5th gear drive shaft.
12. Lock insert of the synchronizer.
13. A lock intermediate ring of the synchronizer.
14. Synchronizer retaining spring.
15. Synchronizer hub 5th gear.
16. Cracker synchronizer 5th gear.
17. 5th gear synchronizer clutch.
18. Synchronizer retaining spring.
19. Synchronizer blocking ring.
20. 5th gear.
21. Rear bearing shaft 5th gear.
22. Roller bearing outer race.
23. Bearing preload ring.
24. Plug of the main shaft.
25. Roller bearing outer race.
26. The forward bearing of a secondary shaft.
27. Secondary shaft.
28. 1st gear.
29. Synchronizer blocking ring.
30. Synchronizer retaining spring.
31. Synchronizer hub 1st and 2nd gear.
32. Lock cracker of the synchronizer hub of the 1st and 2nd gears.
33. Reversible sliding gear.
34. Synchronizer retaining ring.
35. Synchronizer blocking ring.
36. Retaining ring 1st and 2nd gear.
37. Gear 2nd gear.
38. Thrust lock washer 2nd and 3rd gear.
39. Thrust washer 2nd and 3rd gear.
40. Gear 3rd gear.
41. Synchronizer blocking ring.
42. Synchronizer lock spring.
43. Synchronizer hub 3rd and 4th gear.
44. Cracker hub synchronizer 3rd and 4th gear.
45. 3rd and 4th gear synchronizer clutch.
46. Synchronizer retaining spring.
47. Synchronizer blocking ring.
48. Synchronizer ring 3rd and 4th gear.
49. Gear 4th gear.
50. Output shaft bearing.
51. Roller bearing outer race.
52. Bearing preload spring.
53. Clutch housing.
54. Reversing light switch.
55. Reverse lever.
56. Rotary pin of the reverse relay lever.
57. External locking pin.
58. Selector pin of the gearshift.





5.4b. Three-dimensional image of the manual transmission housing and related elements.
59. Switch lever.
60. Ball.
61. Reverse lock pin.
62. Spring setting the lever in the position of the 3rd and 4th gear.
63. Roller shift lever.
64. Switch roller pin.
65. Consolidation of the roller of the lever of switching.
66. Bolt of fastening of the scenes of switching.
67. Switch backstage plate.
68. Selector lever pin.
69. Pin of the selector of the scenes of the switch.
70. The lever of the selector of the scenes of the switch.
71. Internal switch shaft.
72. Plunger of the lock of a shaft of switching.
73. Switch shaft lock spring.
74 Switch shaft seal.
75. Anther of a shaft of switching.
76. Cracker of the shift fork roller.
77. Pin, including the reverse lever relay.
78. Roller forks.
79. Fork 1st and 2nd gear.
80. Support coupling.
81. Pin.
82. Fork selector lever.
83. Fork 3rd and 4th gear.
84. 5th gear switch relay lever.
85. Reverse switch relay lever pin.
86. Rotary pin of the 5th relay lever.
87. Outer retaining ring pin.
88. 5th gear fork.
89. 5th gear fork locking pin.
90. 5th gear fork control shaft.
91. Reverse gear shaft.
92 Reverse gear wheel.
93. Reverse gear.
94. Dirt-catching magnet.
95. Gearbox housing.
96. Breather.
97. Filler plug.
98. Reverse gear shaft retaining bolt.
99. Locking screw for lock plunger.
100. Plunger of the lock of the shift fork roller.
101. Spring of the lock of the shift fork roller.
102. Support sleeve lock screw.
103. Gearbox housing bolt.
104. Differential seal.
105. Retaining ring.
106. The outer ring of the differential bearing.
107. Differential bearing assembly.
108. Thrust washer side gear.
109. Side gear.
110. Satellites.
111. Thrust washers satellites.
112. Roller satellites.
113. Satellite stopper.
114. Driven gear of the main gear.
115. The left side of the differential case.
116. The right side of the differential case.
117. Riveting of the body and gears of the final drive.
118. Speedometer gear.
119. O-ring.
120. Speedometer gear stopper.
121. Seal between speedometer gear stopper and housing.
122. Speedometer driven gear.
123. Locating pin connecting the clutch housing to the gearbox housing.
124. Spring pawl backstage switch.
125. Drive arm support bracket.
126. Rotary pin of the reverse lock pawl.
127. Spring 5th gear and reverse.
128. The pawl of the switch backstage plate.
129. Ball.
130. C-shaped retainer.
131. Ball.
132. Reverse switch relay lever.
133. Reverse switch relay spring.
134. Plug of a viewing window of a transmission.
135. Felt washer.
136. The upper bushing of the clutch release shaft.
137. Thrust bearing yoke retaining bolt.
138. Clutch release shaft.
139. The lever of the clutch release shaft.
140. Thrust bearing fork.
141. The lower bushing of the clutch release shaft.







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