
S-69
03-E2B SERIES, WSM
DIESEL ENGINE
Brush Wear
1. If the contact 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 less than the allowable limit, replace the yoke
assembly and brush holder.
W1156360
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.
W1156895
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 dose not conduct, replace the armature.
W1156507
Brush length (A)
Factory spec.
15.0 mm
0.591 in.
Allowable limit
11.0 mm
0.433 in.
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