Kubota MX5100 Workshop Manual page 451

MX5100, WSM
Brush Holder
1. Check the continuity across the brush holder and the holder
support with an ohmmeter.
2. If it conducts, replace the brush holder.
Brush holder –
Resistance
Holder support
Armature Coil
1. Check the continuity across the commutator and armature coil
core with an ohmmeter.
2. If it conducts, replace the armature.
3. Check the continuity across the segments of the commutator with
an ohmmeter.
4. If it does not conduct, replace the armature.
Field Coil
1. Check the continuity across the lead (1) and brush (2) with an
ohmmeter.
2. If it does not conduct, replace the yoke assembly.
3. Check the continuity across the brush (2) and yoke (3) with an
ohmmeter.
4. If it conducts, replace the yoke assembly.
(1) Lead
(2) Brush
9-S31
ELECTRICAL SYSTEM
Infinity
W1148701
W1148803
(3) Yoke
W1148944