Honda Civic 1998 Service Manual page 1181

Starting System
Armature Inspection and Test (cont'dl
4. Check tor mica depth. lf necessary, undercut mica
with a hacksaw blade to achieve proper depth. lf ser-
vice limit cannot be maintained, replace the armature.
MICA DEPTH
Commulator Mica DeDth
5.
Check for continuity between the segments of the
commutator, lf an open circuit exists between any
segments, replace the armature.
NOT GOOD
Standard (NEW)
Service Limit
0 . 4 - 0 . 5 m m
( 0 . 0 1 6 - 0 . 0 2 i n )
0 . 1 5 m m
( 0 . 0 0 6 i n )
23-84
COMMUTATOR
6.
Place the armature on an armature tester. Hold a
hacksaw blade on the armature core.
ARMATURE TESTER
. lf the blade is attracted to the core or vibrates
while the core is turned. the armature is shorted.
Replace the armature.
7.
Check with an ohmmeter that no continuity exists
between the commutator and armature coil core,
and between the commutator and armature shaft. lf
there is continuity, replace the armature.
ARMATURE
corl coRE