Commutator Mica Depth - Honda Civic 2002-2003 Service Manual

Starting System
Starter Overhaul (cont'd)
7. Check the mica depth (A). If the mica is too high (B),
undercut the mica with a hacksaw blade to the
proper depth. Cut away all the mica (C) between
the commutator segments. The undercut should
not be too shallow, too narrow, or V-shaped (D).
Commutator Mica Depth
Standard (New): 0.50-0.80 mm (0.020-0.031 in.)
Service Limit: 0.20 mm (0.008 in.)
8. Check for continuity between the segments of the
commutator. If an open circuit exists between any
segments, replace the armature.
4-12
9. Place the armature IA) on an armature tester IB).
Hold a hacksaw blade IC) on the armature core. If
the blade is attracted to the core or vibrates while
the core is turned, the armature is shorted. Replace
the armature.
\
A
10. Check with an ohmmeter that no continuity exists
between the commutator (A) and armature coli
core IB), and between the commutator and
armature shaft (C). If continuity exists, replace the
armature.
B
A
,
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