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16. Remove snap ring from main drive gear bearing using a snap
ring pliers.
17. Remove pivot bolt and check shift pin from transmission case.
18. Remove transmission case from adapter plate.
19. Remove counter front bearing from transmission case.
20. Remove oil gutter from transmission case.
SCIA1532E
PCIB1226E
PCIB1227E
PCIB0436E
PCIB1228E
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21. Remove filler plug and gasket from transmission case.
Shift Control Components
1. Remove rear extension (or OD gear case) and transmission case. Refer toMT-25, "Case Components".
2. Install adapter setting plate to adapter plate, and then fixing in
adapter setting plate using a vise.
CAUTION:
Do not directly secure mating surface of adapter plate in a
vise.
3. Remove baffle plate mounting bolts, and then remove baffle
plate from adapter plate.
4. Remove check ball plugs, check ball springs and check balls
from adapter plate.
PCIB1229E
PCIB1408E
PCIB1325E
PCIB1231E
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5. Remove 3rd-4th control lever mounting bolts, and then remove
3rd-4th control lever and shifter cap from adapter plate.
6. Remove retaining pin using a pin punch, and then remove 3rd -
4th fork rod bracket and 3rd-4th fork rod from adapter plate.
7. Remove check balls and interlock pin from adapter plate.
8. Remove retaining pin using a pin punch, and then remove 3rd-
4th shift fork and 3rd-4th fork rod (reversal side) from adapter
plate.
9. Remove retaining pin using a pin punch, and then remove 1st-
2nd shift fork and 1st-2nd fork rod from adapter plate.
PCIB1232E
PCIB0145E
PCIB0146E
PCIB0601E
PCIB0602E
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10. Remove interlock plunger and interlock pin from adapter plate.
11. Remove retaining pin using a pin punch, and then remove
reverse shift fork and reverse fork rod from adapter plate.
12. Remove check balls from adapter plate.
13. Remove retaining pin using a pin punch, and then remove 5th-
6th fork rod bracket and 5th-6th fork rod from adapter plate.
14. Remove 5th-6th control lever mounting bolts, and then remove
5th-6th control lever from adapter plate.
PCIB0147E
SCIA1447E
PCIB0148E
PCIB0239E
PCIB1233E
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15. Remove retaining pin using a pin punch, and then remove 5th-
6th shift fork and 5th-6th fork rod (reversal side) from adapter
plate.
16. Remove retaining pin using pin punch, and then remove stopper
ring from striking rod assembly.
17. Remove striking rod assembly from adapter plate.
Gear Components
1. Remove rear extension (or OD gear case) and transmission case. Refer toMT-25, "Case Components".
2. Remove shift forks and fork rods. Refer toMT-29, "
Shift Control Components".
3. Before disassembling, measure the end play for each position. If the end play is outside the standards,
disassemble and inspect.
lMain drive gear
PCIB0412E
PCIB1234E
PCIB1235E
End play: 0 - 0.10 mm (0 - 0.004 in)
PCIB0484E
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lMainshaft (Rear side)
lCounter gear
4. Remove revers idler gear according to the following.
a. Remove reverse idler shaft assembly from adapter plate.
b. Remove reverse idler thrust washer, revers idler gear and
reverse idler needle bearing from reverse idler shaft.
5. Remove reverse main gear and reverse synchronizer hub assembly according to the following.
a. Remove snap ring from mainshaft using a snap ring pliers.End play: 0 - 0.10 mm (0 - 0.004 in)
PCIB0225E
End play: 0 - 0.10 mm (0 - 0.004 in)
PCIB0226E
PCIB1326E
PCIB1236E
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b. Remove reverse main gear and reverse synchronizer hub
assembly using a puller.
c. Remove reverse main needle bearing from mainshaft.
6. Remove reverse coupling sleeve according to the following.
a. Remove snap ring from reverse synchronizer hub.
b. Remove spread springs and shifting inserts from reverse syn-
chronizer hub.
c. Remove reverse coupling sleeve from reverse synchronizer
hub.
7. Remove reverse counter gear according to the following.
a. Remove snap ring from counter gear using a snap ring pliers.
b. Remove reverse counter gear using a puller.
8. Remove counter rear bearing spacer from counter gear.
SCIA1683E
PCIB1237E
PCIB1239E
SCIA1682E
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9. Remove bearing retainer mounting bolts, and then remove bear-
ing retainer.
10. Remove main drive gear assembly, mainshaft assembly and counter gear assembly according to the fol-
lowing.
a. Remove snap ring from mainshaft bearing using a snap ring pli-
ers.
b. Carefully tap mainshaft with a plastic hammer, and then remove
main drive gear assembly, mainshaft assembly and counter
gear assembly from adapter plate.
c. Remove main pilot bearing and pilot bearing spacer from main-
shaft.
d. Remove 5th baulk ring from main drive gear.
11. Remove counter rear bearing from adapter plate.
PCIB1238E
SCIA1691E
SCIA1456E
PCIB0244E