Kubota WSM J Series Workshop Manual page 162

J SERIES, WSM
Brush Wear
1. If the connect face of the brush is dirty or dusty, clean it with
emery paper.
2. Measure the brush length (A) with vernier caliper.
3. If the length is than the allowable limit, replace the yoke assembly
and brush holder.
Factory
spec.
Brush length (A)
Allowable
limit
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 dose not conduct, replace the armature.
Armature Bearing
1. Check the bearing for smooth rotation.
2. If it dose not smooth rotation, replace it.
S-116
ENGINE
Z482 16.0 mm
D722 0.630 in.
D1005 13.0 mm
V1305 0.512 in.
Z482 10.5 mm
D722 0.413 in.
D1005 8.5 mm
V1305 0.335 in.
W1156360
W1156507
W1156718
KiSC issued 10, 2016 A