7-32
E
BRKT
PTT MOTOR
SERVICE POINTS
Motor inspection
1. Inspect:
●
Commutator
Dirt
→
Clean with 600 grit sandpaper.
2. Inspect:
●
Segment undercut
Obstruction
→
Clean.
NOTE:
Remove all metal particles with com-
pressed air.
3. Measure:
●
Commutator diameter
a
Out of specification
→
Replace.
Commutator diameter limit:
15.5 mm (0.61 in)
4. Measure:
●
Armature coil continuity
Out of specification
→
Replace.
Armature coil continuity
Commutator segments
Continuity
Segment - laminations
No continuity
Segment - shaft
No continuity
Содержание F20A
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