Disassembling the gearbox shafts to replace parts
Disassembling and assembling the gearbox input shaft

Using puller 09432-21300, remove the spring ring and ball bearing
Remove the snap spring ring, snap ring, fifth and fourth gear pinions, needle bearing, fourth gear pinion bushing, third and fourth gear synchronizer ring, first, second, third, fourth gear synchronizer springs, third and fourth gear synchronizer bushings, gear third gear and needle bearing
Checking
Checking the surface of the input shaft that contacts the needle bearings for damage or wear
Checking the shaft splines for damage or wear
Install the synchronizer sleeve on the sleeve and make sure it moves smoothly
Check the sleeve for damage
Check the wear of the sleeve end surfaces (in contact with each gear)
Assembly
Using a special tool 09432-33300 we install a needle bearing, a third gear pinion, a third and fourth gear synchronizer sleeve, 1st-4th gear synchronizer springs, a third and fourth gear synchronizer ring, a fourth gear pinion sleeve, a needle bearing, fifth and fourth gear pinions, a retaining ring and a retaining spring ring
Using a special tool 09432-21300 we install a ball bearing and a spring ring
Disassembling and assembling the driven shaft of the gearbox

The figure shows the assembly sequence of the gearbox driven shaft
Removing the retaining ring
Using special tool 09432-33000 we remove ball bearing and gear reverse
Remove the synchronizer ring, the synchronizer spring of the fifth gear and reverse gear, the fifth gear and reverse gear sleeve
Using special tool 09432-33000, remove the synchronizer sleeve and the fifth gear pinion
Using special tool 09432-33200, remove the gears of 4th, 3rd, 2nd, and first gears together
Checking
Checking the surface of the driven shaft in contact with the needle bearings for damage and wear
Check the shaft splines for damage and wear
Install the needle bearing with the support sleeve and gear on the shaft.
Check that the bearing rotates evenly without noise or play
Check the needle bearing housing for damage

Inspect the synchronizer ring teeth for damage
Check the inner surface for damage, wear, or groove damage
Install the synchronizer sleeve on the sleeve and make sure it moves smoothly
Check the sleeve for wear and damage
Checking the wear of the bushing end surfaces that contact each gear
Checking the gear teeth for wear and damage
Checking the conical surface of the gear for roughness, damage and wear
Checking the gear bore for wear and damage
Assembly
Installing a needle bearing
Installing a first gear pinion
Installing the locking cone ring
Installing the synchronizer sleeve and sleeve
Installing the locking cone ring
Installing the second gear sleeve and needle bearing
Using a special tool 09432-22000, we install the second and third gear pinion
We install retaining ring
We install the fourth gear pinion, the fifth gear pinion sleeve, the needle bearing, the fifth gear pinion, the fifth gear synchronizer ring, the synchronizer sleeve and the fifth gear and reverse gear sleeve
Installing the needle bearing, reverse gear and driven gear bushing
Using special tool 09432-22000, install the ball bearing and retaining ring