Page 2606 of 2898
SMT580
c. Remove reverse idler gear and final drive assembly.
SMT648AA
5. Remove oil pocket, shift check ball, shift check spring and
check ball plug.
SMT599AA
6. Drive retaining pin out of striking lever, then remove striking
rod, striking lever and striking interlock.
+Select a position where retaining pin does not interfere
with clutch housing when removing retaining pin.
SMT583
+Be careful not to damage oil seal lip, when removing strik-
ing rod. If necessary, tape edges of striking rod.
SMT584
7. Remove reverse check plug, then detach reverse check spring
and check balls.
DISASSEMBLYRS5F30A
MT-34
Page 2618 of 2898
SMT609A
6. Install final gear.
+Apply locking sealant to final gear fixing bolts before
installing them.
7. Install speedometer drive gear and stopper.
SMT648
8. Press on differential side bearings.
SMT086C
Shift Control Components
INSPECTIONNJMT0051+Check contact surface and sliding surface for wear, scratches,
projections or other damage.
SMT660A
Case Components
DISASSEMBLY AND ASSEMBLYNJMT0052Input Shaft Oil SealNJMT0052S011. Drive out input shaft oil seal.
SMT751BA
2. Install input shaft oil seal.
+Apply multi-purpose grease to seal lip of oil seal before
installing.
REPAIR FOR COMPONENT PARTSRS5F30A
Final Drive (Cont'd)
MT-46
Page 2619 of 2898
SMT688C
Input Shaft Rear BearingNJMT0052S021. Remove welch plug from transmission case.
SMT633
2. Remove input shaft rear bearing by tapping it from welch plug
hole.
SMT634
3. Install welch plug.
+Apply recommended sealant to mating surface of trans-
mission case.
SMT635-A
4. Install input shaft rear bearing.
SMT636-A
Mainshaft Front Bearing Outer Race and Oil ChannelNJMT0052S031. Remove mainshaft front bearing outer race.
2. Remove oil channel.
REPAIR FOR COMPONENT PARTSRS5F30A
Case Components (Cont'd)
MT-47
Page 2620 of 2898
SMT595
3. Install oil channel.
+Ensure the oil groove faces the oil pocket.
SMT752BA
4. Install mainshaft front bearing outer race.
Mainshaft Rear Bearing Outer RaceNJMT0052S04+Refer to ªMainshaft Bearing Preloadº, MT-121.
Differential Side Bearing Outer RaceNJMT0052S06+Refer to ªDifferential Side Bearing Preloadº, MT-121.
REPAIR FOR COMPONENT PARTSRS5F30A
Case Components (Cont'd)
MT-48
Page 2623 of 2898
NJMT0092
SMT586
1. Install striking rod, lever and interlock.
+Tape edges of striking rod to avoid damaging oil seal lip
during installation.
+When taped edges of striking rod are past the oil seal,
remove tape.
SMT584
2. Install reverse check sleeve assembly.
3. Install check balls, reverse check spring and check plug.
SMT688
4. Check reverse check turning torque (At striking rod).
Reverse check turning torque (At striking rod):
Refer to SDS, MT-119.
+If not within specification, select another check plug having a
different length and reinstall it.
Reverse check plug:
Refer to SDS, MT-119.
5. Install selected reverse check plug.
+Apply locking sealant to thread of plug before installing it.
SMT648AA
6. Install check ball plug, shift check ball and shift check spring.
7. Install oil pocket.
SMT580
8. Install gear components onto clutch housing.
a. Install final drive assembly and reverse idler gear.
ASSEMBLYRS5F30A
MT-51
Page 2624 of 2898
SMT737A
b. Install mainshaft and input gear as a set.
+Take care not to damage oil seal lip with splines of input
shaft while shaft is being inserted into clutch housing.
+Take care not to damage oil channel when inserting main-
shaft into clutch housing.
SMT577
c. Install bearing retainer.
+One of these three screws is torx type and should be
installed with suitable tool, as shown.
SMT664
d. After installing torx screw, stake it at two points.
SMT666
9. Apply grease to shifter caps, then install it to control bracket.
Install control bracket with 1st & 2nd shift fork.
10. Install 3rd & 4th and 5th shift forks.
SMT596
11. Insert fork shaft.
+Apply multi-purpose grease to support spring before
installing.
12. Install reverse idler spacer.
ASSEMBLYRS5F30A
MT-52
Page 2626 of 2898
NJMT0054
Case ComponentsNJMT0054S02
SMT942D
1. Clutch housing
2. Dust seal
3. Oil pocket
4. Check plug
5. Input shaft oil seal
6. Oil channel
7. Mainshaft front bearing
8. Bearing retainer
9. Bush
10. Reverse idler gear front thrust
washer
11. Reverse idler gear
12. Reverse idler gear bearing
13. Reverse idler gear rear thrust
washer14. O-ring
15. Reverse idler gear shaft
16. Snap ring
17. Reverse switch
18. Filler plug
19. Side cover gasket
20. Side cover
21. Welch plug
22. Mainshaft bearing snap ring
23. Mainshaft rear bearing adjusting
shim
24. O-ring
25. Rear cover26. Differential oil seal
27. Drain plug
28. PNP switch
29. Transmission case
30. Oil gutter
31. Welch plug
32. Magnet
33. Boot
34. Striking rod oil seal
35. Welch plug
36. Differential oil seal
37. O-ring
38. Speedometer pinion
OVERHAULRS5F70A
Case Components
MT-54
Page 2627 of 2898

Gear Components=NJMT0054S03
SMT641DA
1. Reverse idler gear front thrust
washer
2. Reverse idler gear
3. Reverse idler gear bearing
4. Reverse idle gear rear thrust
washer
5. O-ring
6. Reverse idler gear shaft
7. Snap ring
8. Input shaft front bearing
9. Input shaft
10. 3rd gear needle bearing
11. 3rd input gear
12. 3rd gear baulk ring
13. Coupling sleeve
14. Spread spring
15. Shifting insert
16. 3rd & 4th synchronizer hub
17. Spread spring
18. 4th gear C-ring
19. 4th gear needle bearing
20. 4th gear baulk ring
21. 4th input gear
22. 5th gear front C-ring
23. 5th input gear24. 5th gear rear C-ring
25. C-ring holder
26. Input shaft rear bearing
27. Oil channel
28. Input shaft rear bearing adjusting
shim
29. Mainshaft front bearing
30. Mainshaft
31. 1st gear needle bearing
32. 1st main gear
33. 1st inner baulk ring
34. 1st synchronizer cone
35. 1st outer baulk ring
36. 1st & 2nd synchronizer hub
37. Coupling sleeve
38. Insert spring
39. 2nd gear bush
40. 2nd gear needle bearing
41. 2nd gear outer baulk ring
42. 2nd gear synchronizer cone
43. 2nd inner baulk ring
44. 2nd main gear
45. 3rd main gear
46. Spacer47. Mainshaft adjusting shim
48. 4th main gear
49. 5th gear bush
50. 5th gear needle bearing
51. 5th main gear
52. 5th gear baulk ring
53. Spread spring
54. Shifting insert
55. 5th & reverse synchronizer hub
56. Spread spring
57. Coupling sleeve
58. Reverse gear bush
59. Reverse gear needle bearing
60. Reverse gear baulk ring
61. Reverse main gear
62. Sub-gear
63. Sub-gear washer
64. Snap ring
65. Mainshaft thrust washer
66. Mainshaft rear bearing
67. Mainshaft C-ring
68. C-ring holder
69. Snap ring
OVERHAULRS5F70A
Gear Components
MT-55