YAMAHA Marine 100A Manuel D'entretien page 686

– +
ELEC
STARTER MOTOR
8580
8590
8600
8610
3. Inspect:
• Commutator undercut
Dirt/foreign matter → Clean.
(with compressed air)
4. Measure:
• Commutator undercut a
Out of specification → Replace the
armature.
Commutator undercut limit
0.2 mm (0.01 in)
5. Inspect:
• Armature continuity
Out of specification → Replace.
Armature continuity
Commutator
segments a
Segment –
Armature core b
Segment –
Armature shaft c
MEASURING THE BRUSHES
1. Measure:
• Brush length a
Out of specification → Replace the
brush assembly.
Brush length limit
10.0 mm (0.39 in)
8-28
E
Continuity
No continuity
No continuity
8