Kubota WSM 07-E3B Series Workshop Manual page 215

07-E3B SERIES, 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.
Commutator –
Armature coil core
Resistance
Segment – Segment
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.
Lead (1) – Brush (2)
Resistance
Brush (2) – Yoke (3)
(1) Lead
(2) Brush
S-112
ENGINE
Infinity
W1076066
Infinity
0 
W1075693
0 
Infinity
(3) Yoke
W1076156
KiSC issued 06, 2020 A