Kubota M105S, Workshop Manual

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9-S47
M105S, WSM ELECTRICAL SYSTEM
Rotor
1. Measure the resistance across the slip rings with an ohmmeter.
2. If the resistance is not the factory specification, replace it.
3. Check the continuity across the slip ring and core with an
ohmmeter.
4. If infinity is not indicated, replace it.
W1051368
Slip Ring
1. Check the slip ring for score.
2. If scored, correct with an emery paper or on a lathe.
3. Measure the O.D. of slip ring with vernier calipers.
4. If the measurement is less than the allowable limit, replace it.
W1051525
Brush Wear
1. Measure the brush length with a vernier caliper.
2. If the measurement is less than allowable limit, replace it.
3. Make sure that the brush moves smoothly.
4. If the brush is defective, replace it.
W1052337
Resistance Factory spec. 2.8 to 3.3
Ω
Resistance
Factory spec.
22.7 mm
0.894 in.
Allowable limit
22.1 mm
0.870 in.
Resistance
Factory spec.
18.5 mm
0.728 in.
Allowable limit
5.0 mm
0.197 in.
KiSC issued 03, 2007 A