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MT-40Gearbox Assembly of Gearbox
10. Mount the split ring
(a) Select the retainer for shaft that leaves the minimum
radial clearance, which is not larger than 0.1mm.
(b) Mount in the retainer for shaft with copper bar and
hammer.
(c) Mount the spring cylindrical pin of third-fourth-speed
gearshift fork.
Notice: The pin port should align with the direction of the
shaft.(Same sa below) 11. Measure the radial clearance of the five-speed gear
cluster.
Measure the radial clearance of the five-speed gear cluster
with the measuring gauge.
Standard clearance
Shang chi(0.1350.325)mm
Tang chi(0.10.3)mm
12. Mount the third-fourth-speed gearshift fork axle and the
first-second-speed gearshift toggle fork as well as the
third-fourth-speed gearshift toggle fork
(a) Mount the first-second speed and third-fourth speed
gearshift toggle forks.
(b) Mount the third-fourth-speed gearshift fork axle in the
central link plate and the gearshift toggle fork.
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MT-41Gearbox Assembly of Gearbox
13. Mount the first gearshift fork axle and first gearshift fork
(a) Coat the MP lubricating on the interlocking guidepost
and mount the interlocking guidepost on the first-second-
speed gearshift fork axle.
(b) Mount the interlocking pin in the central link plate with
the magnetic bar.
(c) Mount first-second gearshift fork axle in the first gear-
shift toggle fork and central link plate.
d) Mount the setting bolts of the first toggle fork and tighten
them.
Tightening moment
Upper tooth(1520)Nm
Tang tooth(1317)Nm
14. Mount the reverse yoke rod, reverse rocker arm and
reverse yoke block
(a) Mount the reverse yoke rod, reverse rocker arm and
reverse yoke block together.
(b) Mount the reverse rocker arm on the reverse rocker arm
bracket.
(c) Coat the MP lubricant on the interlocking guidepost and
mount the guidepost on the reverse gearshift fork axle.
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MT-42Gearbox Assembly of Gearbox
(d) Mount the interlocking pin in the central link plate with
the magnetic bar.
(e) Mount the reverse gearshift fork axle in the reverse yoke
rod and central link plate.
(f) Mount the spring cylindrical pin with the drift punch and
hammer.
15. Mount the five-speed reverse gearshift guide block and
five-speed reverse gearshift fork axis.
(a) Mount the five-speed reverse gearshift guide block in the
five-speed reverse gearshift guide shaft.
(b) Mount the reverse gearshift fork axle in the next step.
(c) Mount the steel ball in the five-speed gearshift guide
block with the magnetic bar.
(d) Mount the five-speed gearshift fork axle as shown in the
drawing.
(e) Mount the steel ball in the central link plate with mag-
netic bar.
(f) Mount the five-speed gearshift fork axle in the central
link plate.
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MT-43Gearbox Assembly of Gearbox
(g) Tap the pin in the five-speed gearshift toggle fork with
the drift punch and hammer.
(h) Mount the five reverse gearshift guide shaft in the five-
speed reverse guide block and central link plate, and
(i) Tap the spring cylindrical pin in the five-speed reverse
guide block with drift punch and hammer.
16. Mount the retainer ring gripped by the gearshift fork axle.
Mount the clamp retainer ring with the steel bar and hammer
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MT-44
sealed material
Gearbox Assembly of Gearbox
17. Mount the steel ball, locating spring and locating spring
plug
(a) Mount the steel ball and locating spring.
Remarks:
Mount the short spring at the bottom of the central link plate.
(b) Coat the sealing agent on the plug thread.
(c) Mount the plug and tighten them with the torque socket
spanner.
Tightening moment(1722)Nm
18. Tear down the central link plate from the table vice
(a) Tear down central link plate from the table vice.
(b) Dismantle the bolts, nuts and washers
19. Mount the gearbox frame
(a) Coat the sealing material on the coupling face of the
gearbox frame as shown in the drawing.
(b) Put down the central link plate straightly as shown in the
drawing.
(c) Mount the gearbox frame on the central link plate as
shown in the drawing.
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MT-45
sealed material
Gearbox Assembly of Gearbox
20. Mount the stop ring of the front bearing
(a) Mount the two stop rings in the input shaft bearing and
countershaft front bearing with the split-ring-type pliers.
(b) Mount the coated component elements of front cover.
(c) Coat the sealing agent on the bolt thread, and
(d) Mount and propel tightly the bolts.
Tightening moment(1520)Nm
21. Mount the rear body, gear-change bar and selection bar
and their housings
(a) Coat the sealing materials on the rear body as shown in
the drawing.
(b) Mount the gearshift shaft and gearshift yoke block in the
rear body.
(c) Mount the gearshift catching head in the groove of guide
block, and
(d) Mount the catching head with the rear body together.
(e) Mount and propel tightly the bolts.
Tightening moment
Shang chi(3040)Nm
Tang chi(3045)Nm
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MT-46
4WD
Gearbox Assembly of Gearbox
(f) Fasten the rear cover bolts of the four-gear driving
gearbox
Tightening moment:(3045)Nm(Tang tooth)
(g) Mount and propel tightly the setting bolts of the gearshift
yoke block.
Tightening moment(1722)Nm
22. Mount the steel ball spring and plug
(a) Coat the sealing agent on the plug thread.
(b) Mount the steel ball, setting spring and setting spring
plug.
Tightening moment(1722)Nm
23. Check the following items after mounting the rear body
or gearbox
(a) Check the stability of the running input shaft and output
shaft.
(b) Check the gearshift stability of each speed
24. Mount the component elements of the locating mecha-
nism
(a) Mount the black component elements of the locating
mechanism on the side of the five-speed reverse gear.
(b) Mount another component element of locating mecha-
nism and propel it tightly.
Tightening moment(3040)Nm
25. Mount the gearshift cover of the gearbox.
(a) Mount the gearshift cover coated with sealing agent.
(b) Mount six bolts and then tighten them.
Tightening moment(1520)Nm
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MT-47Gearbox Assembly of Gearbox
26. Mount the clutch frame
(a) Mount the clutch frame.
(b) Coat the sealing agent on the bolt thread.
(c) Mount the nine bolts and then tighten them.
Tightening moment
Upper tooth(6070)Nm
Tang tooth(3045)Nm
27. Mount the back-up lamp switch.
Tightening moment(2040)Nm
28. Mount the driven gear of odometer
(a) Mount the driven gear of odometer.
(b) Mount the bolts and tighten them.
Tightening moment(1015)Nm