Kubota MX5100 - Alternator

9-S32
MX5100, WSM
ELECTRICAL SYSTEM
(2) Alternator
Bearing
1. Check the bearing for smooth rotation.
2. If it does not rotate smoothly, replace it.
W1030850
Stator
1. Measure the resistance across each lead of the stator coil with an
ohmmeter.
2. If the measurement is not within factory specification, replace it.
3. Check the continuity across each stator coil lead and core with an
ohmmeter.
4. If infinity is not indicated, replace it.
W1030941
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.
W1031056
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.
W1031159
Resistance Factory spec. Less than 1.0 Ω
Resistance Factory spec. 2.9 Ω
Slip ring O.D.
Factory spec.
14.4 mm
0.567 in.
Allowable limit
14.0 mm
0.551 in.