wsm M108S Workshop Manual page 357

M108S, WSM
Backlash between Internal Gear and Planetary Gear
1. Set a dial indicator (lever type) on the tooth of the planetary gear.
2. Hold the planetary gear support and move only the planetary
gear.
3. If the measurement exceeds the allowable limit, check the
planetary gear and planetary shaft.
Factory spec.
Backlash between
internal gear and
planetary gear
Allowable limit
Clearance between Planetary Gear and Shaft
1. Measure the planetary gear I.D. and the planetary gear shaft
O.D. (rubbing surface).
2. Measure the O.D. of two needles installed diagonally in the
needle bearing.
3. Calculate the clearance.
4. If the clearance exceeds the allowable limit, replace them.
Factory spec.
Clearance between
planetary gear and shaft
Allowable limit
Planetary gear I.D. Factory spec.
Shaft O.D. Factory spec.
Needle O.D. Factory spec.
Thrust Collar Thickness
1. Measure the thickness of the thrust collar.
2. If the measurement is less than the allowable limit, replace it.
Factory spec.
Thrust collar thickness
Allowable limit
6-S21
FRONT AXLE
0.10 to 0.30 mm
0.0040 to 0.011 in.
0.50 mm
0.020 in.
W1022988
0.0090 to 0.046 mm
0.00036 to 0.0018 in.
0.30 mm
0.012 in.
33.009 to 33.025 mm
1.2996 to 1.3001 in.
24.991 to 25.000 mm
0.98390 to 0.98425 in.
3.994 to 4.000 mm
0.1573 to 0.1574 in.
W1023313
1.55 to 1.65 mm
0.0611 to 0.0649 in.
1.0 mm
0.039 in.
W1023552
KiSC issued 05, 2012 A