IGNITION AND ELECTRICAL 3-33
13. Remove the E-ring M.
14. Remove the pinion shaft J, washers N and rubber ring O
from center bracket.
INSPECTION AND SERVICING
Armature and Commutator
• Inspect the commutator surface.
If surface is gummy or dirty, clean with #500 grit emery paper
A.
• Measure commutator outside diameter.
09900-20101: Vernier calipers
Commutator outside diameter:
Standard: 29.0 mm (1.14 in)
Service limit: 28.0 mm (1.10 in)
If measurement exceeds service limit, replace armature.
• Check that mica (insulator) between the segments is undercut
to specified depth.
Commutator undercut 1:
Standard: 0.5 – 0.8 mm (0.02 – 0.03 in)
Service limit: 0.2 mm (0.01 in)
If measurement exceeds service limit, cut to specified depth.
NOTE:
Remove all particles of mica and metal using compressed air.
SEGMENT
MICA
1 undercut
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