Acura 3.5 RL Manual page 111

Check for mica depth. If necessary, undercut the mica
4.
with a hacksaw blade to achieve proper depth. If the
service limit cannot be maintained, replace the arma-
ture.
HIGH
NO-GOOD
MICA
Commutator Mica Depth
Standard (NEW)
0.5-0.8 mm
(0.020-0.031 in)
Check for continuity between the segments of the
5.
commutator. If an open circuit exists between any
segments, replace the armature.
GOOD
MICA DEPTH
Service Limit
0.20 mm
(0.008 in)
COMMUTATOR SEGMENT
Place the armature on an armature tester. Hold a
6.
hacksaw blade 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 arma-
ture.
ARMATURE TESTER
ARMATURE
7. With an ohmmeter, check that no continuity exists
between the commutator and armature coil core,
and between the commutator and armature shaft. If
there is continuity, replace the armature.
COIL CORE
SHAFT
HACKSAW BLADE
COMMUTATOR