Page 45 of 425
Disassembly of transmission (SC5M2D-C)
1.Remove the hexagon bolt M818 and lock plate.
Caution: The tightening torque is 14-19N
m when install the
hexagon bolt;
2.Remove the odometer driven gear assembly
Use the special tools to remove the odometer driven gear assembly
3.Remove the rear housing assembly
a. Remove 6 M10
1.2530 hexagon bolts
Caution: The tightening torque is 14-19N
m when installs 6
M10
1.2530 hexagon bolts.
b. Use the rubber hammer to knock the rear housing and take out the
rear housing assembly.
4. Remove 2 location pins and bushes.
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Manipulator cover assembly
gearbox assembly (one)
reverse lock assembly nut M8
bulbrubber cover
pin 740
master control lever assembly
bulb basebush
stop plate of main rodbush
bulb jacket
N m: specified torque
Used component which can not be used any more.
Pregummed component N
m: specified torque
Used component which can not be used any more.
bush
6
oil guiding plate
location pin
steel ball 7.
938
aluminum gasket
reverse lamp switch
gearbox
selection and shifting
shaft rubber choke plug
bleed plug assembly
bush
selection and shifting block
elastic cylindrical pin 622
Page 47 of 425

N m: specified torque
Used component which can not be used any more.
Pregummed component
Use the special tools
aluminum
washer
lower cover plate assembly
bushgear 5 drive gear ball bearing
circlip for shaft
steel ball
odometer drive gear
circlip for shaft
ball bearing
circlip for shaft
reverse gear 5
shift fork
in 622
declutch shift shaft for
first and secondea
gear 3/4 declutch
shift shaft
declutch shift shaft
pin 522
gear 1/2 shift-
ing block
gear 3/4 shifting
block
earbox assembly (three)
steel ball 4.762
pin 622
gear 1/2 shift fork
adjusting shim
spacing ring
reverse drive gear
reverse shaft
needle bearing
reverse gear thrust washer
split pin
grease baffle of air duct
support axial lock plate
reverse needle bearing bushing
needle bearing
thrust washer
gear 5 needle
bearing bushingsynchronizer gear ring
reverse gear 5 synchronizer assembly
N m: specified torque
Used component which can not be used any more.
Pregummed component
Use the special tools
gear 3/4
shift forkreverse driven gear assembly
needle bearinggear 5 driven
gear assembly
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14. Use the opener to pry out the riveted place of lock nut of
intermedi ate shaft
15.Remove the self-locking screw plug, spring, steel ball
a. Use the special tools to remove 3 locking screw plugs M10×
1.25×19
Caution: The tightening torque is 14-19N·m when install the
locking screw plug M10×1.25×19.
b. Use the magnetic rod to remove 3 springs
c. Use the magnetic rod to remove 3 steel balls
Caution: When install 12 bolts M8×16, the tightening torque
is 15-20N·m
16. Remove the lower cover plate assembly
a. Use the wrench to remove the 12
bolt M8×16
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e. Remove the gear 3/4 declutch shift shaft assembly
f. Remove the reverse gear 5 shift fork
18. Remove the lock nut of intermediate shaft
Caution: When install the lock nut of intermediate shaft , the
tightening torque is 160-190N·m
19.Remove the Gear 1/2 declutch shift shaft assembly, intermediate
shaft rear ball bearing, 5th-Gear drive gear
20. Remove the Gear 1/2 shift fork
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21.Use the special tools to remove the second shaft lock nut
Caution: When install the second shaft lock nut, the tightening
torque is : 250-270N·m
22.Remove the thrust plate
23.Use the magnetic rod to remove the steel ball.
24.Remove the 5th-Gear driven gear assembly
Caution: When install the 5th-Gear driven gear assembly, it should
use the plug gage to test the 5th-Gear driven gear assembly axial
clearance, ensure the axial clearance is within 0.170-0.284mm
25.Remove the 5th-Gear driven gear needle bearing
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27. Use the pliers to remove the split pin on the reverse shaft lock
nut.
28. Use the special tools to remove the reverse lock nut
Caution: when install the reverse lock nut, the tightening torque
i s within 20-60N·m
29. Remove the thrust plate
30. Remove the 5th/reverse -Gear synchronizer assembly
a. Use the special tools to remove the 5th/reverse -Gear synchronizer
assembly 26. Remove the synchronizer gear ring
Caution: When install the synchronizer gear, it should use the
plug gage to test the synchronizer gear ring axial clearance, en-
sure the axial clearance is within 1.25-1.65mm
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35. Remove the reverse drive gear
36. Remove the intermediate shaft spacing ring
37. Remove 8 countersunk screws
Caution: when install the countersunk screw, the tightening torque
is within 15-22N·m
38. Remove the support axial lock plate
39. Remove the air duct grease baffle