Kubota M108S, Workshop Manual

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3-S38
M108S, WSM TRANSMISSION
6. SERVICING
[1] BEARING, SHIFT FORK AND SYNCHRONIZER
Checking Bearing
1. Hold the inner race, and push and pull the outer race in all
directions to check for wear and roughness.
2. Apply transmission fluid to the bearing, and hold the inner race.
Then, turn the outer race to check rotation.
3. If there is any defect, replace it.
W1041204
Clearance between Shift Fork and Shifter Groove
1. Measure the width of shift fork.
2. Measure the shifter groove width, and calculate the clearance.
3. If the clearance exceeds the allowable limit, replace them.
W1041518
Checking Contact between Coupling and Shifter
1. Check to see if there is flaw or wear on the spline of the coupling
and shifter, and the key groove on the coupling.
2. Engage the shifter with the coupling, and check that they slide
smoothly.
3. Similarly, check that there is any flaw or wear on the gear splines.
4. If there is any defect, replace them.
W1041907
Flaw on Synchronizer Key and Spring
1. Check the projection in the center of the synchronizer key for
wear.
2. Check the spring for fatigue or wear on the area where the spring
contacts with the keys.
3. If there is any defect, replace them.
W1042016
Clearance between shift
fork and shifter groove
Factory spec.
0.13 to 0.40 mm
0.0052 to 0.015 in.
Allowable limit
0.8 mm
0.03 in.
KiSC issued 06, 2007 A