STARTING SYSTEM
9-4
STARTER MOTOR INSPECTION
STARTER SOLENOID
Connect the positive (+) lead of a 12V battery to the
solenoid terminal [1] and the negative (-) lead to the
solenoid wire terminal [2]. Measure the resistance
between the starter motor solenoid terminals as shown.
Continuity should exist when the battery is connected
and not exist when the battery is disconnected.
BRUSH LENGTH
Measure the brush length.
If the negative brush length is less than the service limit,
replace the center bracket.
If the positive brush length is less than the service limit,
replace the center bracket.
BRUSH CONTINUITY CHECK
Check for continuity between the positive (+) brushes
[1] and negative (-) brushes [2].
There should be continuity between both the positive
brushes.
There should be continuity between both the negative
brushes.
There should be no continuity from either positive brush
to either negative brush.
If the correct continuity of the positive (+) brushes is not
obtained, replace the center bracket (page 9-3).
If the correct continuity of the negative (-) brushes is not
obtain, replace the negative (-) brushes.
ARMATURE MICA DEPTH
Visually inspect the commutator surface for dust, rust,
or other damage. If necessary, wipe it with a clean lint-
free cloth. If rusted or damaged, dress with a fine emery
cloth.
When the mica is clogged, or its depth is smaller than
the service limit value, recut the grooves using a
hacksaw blade or a small file.
[1]
[2]
STANDARD:
10.5 mm (0.41 in)
SERVICE LIMIT: 4.0 mm (0.16 in)
[1]
[2]
[2]
[1]
STANDARD:
1.5 mm (0.06 in)
SERVICE LIMIT: 0.5 mm (0.02 in)
