Kubota SM-E3B Series Workshop Manual page 135

SM-E3B 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
Brush Holder
1. Check the continuity across the brush holder and the holder
support with a circuit tester.
2. If it conducts, replace the brush holder.
Armature Coil
1. Check the continuity across the commutator and armature coil
core with resistance range of circuit tester.
2. If it conducts, replace the armature.
3. Check the continuity across the segments of the commutator with
resistance range of circuit tester.
4. If it does not conduct, replace the armature.
S-74
DIESEL ENGINE
Electromagnetic 16.0 mm
drive type 0.630 in.
Planetary gear 14.0 mm
reduction type 0.551 in.
Electromagnetic 10.5 mm
drive type 0.413 in.
Planetary gear 9.0 mm
reduction type 0.35 in.
W1156360
W1156895
W1156507
KiSC issued 03, 2011 A