wsm STW37 Workshop Manual page 309

STW34, STW37, STW40, WSM
[3] SERVICING
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 carrier and move the planetary gear to
measure the backlash.
3. If the measurement exceeds the allowable limit, check the next
items.
Factory specification
Backlash between
internal ear and
planetary gear
Allowable limit
Planetary Gear I.D., Planetary Gear Pin O.D. and Needle
Bearing O.D.
1. Measure the planetary gear I.D. with an inside micrometer.
2. Measure the planetary gear pin O.D. with an outside
micrometer.
3. Measure the needle bearing O.D. with an outside micrometer.
4. If the measurement exceeds the allowable limit or factory
specification, replace them.
Factory specification
Planetary gear I.D.
Allowable limit
Factory specification
Planetary gear pin O.D.
Allowable limit
Needle Bearing O.D. Factory specification
4-S16
REAR AXLE
0.1 to 0.2 mm
0.0039 to 0.0079 in.
0.5 mm
0.020 in.
9Y1211109RAS0017US0
30.009 to 30.025 mm
1.1815 to 1.1821 in.
30.05 mm
1.1831 in.
24.967 to 24.980 mm
0.9830 to 0.9835 in.
24.95 mm
0.9823 in.
2.494 to 2.500 mm
0.0982 to 0.0984 in.
9Y1211109RAS0018US0
KiSC issued 11, 2014 A