–
+
ELEC
8-27
STARTER MOTOR
E
2. Check:
•
Commutator undercut
Dirt/foreign matter
→
Clean.
(with compressed air)
3. Measure:
•
Commutator undercut
Out of specification
→
Replace the
armature.
4. Check:
•
Armature continuity
Out of specification
→
Replace.
MEASURING THE BRUSHES
1. Measure:
•
Brush length
Out of specification
→
Replace the
brush assembly.
Commutator undercut limit
0.8 mm (0.03 in)
a
b
a
c
Armature continuity
Commutator
segments
Continuity
Segment -
Armature core
No continuity
Segment -
Armature shaft
No continuity
a
b
c
a
Brush length limit
6.4 mm (0.25 in)
a
Summary of Contents for F40BMHD
Page 126: ...GENERAL 3 25 E CHK ADJ LUBRICATION POINTS Apply Water resistant grease ...
Page 128: ...CHK ADJ 3 26 GENERAL E ...
Page 129: ...3 26 CHK ADJ F D ES ...
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Page 537: ...Printed on recycled paper Printed in Japan Sep 1999 1 7 1 F40B YAMAHA MOTOR CO LTD ...