Service Manual - Page 21

For 1987 300ZX.

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STARTING
SYSTEM
-Starter-
1
Continuity
test
(between two segments side by
side)
Ohmmeter
SEL625B
I[
@
No
continuity Replace.
Insulation
test
(between each commutator bar
and shaft)
2
Continuity exists
.
Replace
Rough Sand lightly with
No
500
-
600
3
Check commutator surface
sandoaoer
!
Check
4
Check diameter
of
commutator
Commutator minimum diameter
29
rnm (1.14 in)
Less
than specified value Replace
IJ
\Cornmutator
SEL418A
5
Check depth of insulating mica from commuta-
tnr surface.
Less
than
0
2
mm
(0 008
in) Undercut
to
0
5
-
0
8
mm
(0
020
-
0
031
in)
Undercut
procedures
Round
05
-08
mm
(0
020.0
031
In)
correct
Commutator
incorrect
EE021
EL-21
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