STARTER/SOLENOID
SERVICE
STARTER
INSPECTION
Solenoid
Inspect the solenoid for continuity between terminals S and
M and between terminals
S and
body.
No
continuity should
be found between
Sand
M. Continuity should be found
between
S and the body and M
and
the
body.
COmNUITY
CHECK
......
'
Inspecting
The
Annature
1. Check the armature with
~
growler tester.
If
it's short
dr-
. cuited, replace the armature. Also
ch~ck
for insulation
between the communicator
and
its
shaft. If poorly insu-
lated, replace the armature.
ARMATURE.
CHECK
2. Measure the commutator
0.0.
and
the depth
of
undercut.
Repair or replace
it
if the service limit
is
exceeded.
Also
check the commutator outside surface for dirtiness and
roughness.
If
rough, polish
the
commutator
with
a fine
crocus cloth.
COMMUTATOR
O.D.
CLEANING
THE
COMMUTATOR
Brush
and
Brush
Holder Inspection
1.
Check
the
brushes. If
worn
out
beyond 10
mm,
replace
the
brushes.
BRUSHES
_~EW
USED
2.
Check
the
brush
spring tension. A weak or defective
spring
will
cause excessive
brush
wear; replace the
springs
if
suspect.
3.
Check
for
insulation
between
the
positive brush holder
and
holder
base.
If
poorly
insulated,
replace the holder
assembly.
Also
check
the
brush
holders for proper staking.
Engines & Generators
56
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