STARTER
MOTOR
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 S an9
M.
Continuity should
be
found
between
S and the body
and
M
and
the
body.
COmNUllY
CHECK
Inspecting
The
Annature
1. Check
the
armature with a growler
tester.
If
it's short
circuited. replace the armature.
Also
check
for
insulation
between the communicator and its
shaft.
If
poorly
insulated, replace the
armature.
ARMATURE'--H~
ARMATURE
CHECK
2.
Measure
the
commutator
0.0.
and
the
depth
of undercut
Repair or replace it
if
the
service limit
is
exce¢ed. Also
check
the
commutator outside surface
for
dirtiness and
roughness.
If
rough. polish the commutator
with
fine
crocus
cloth.
,
Brush
and
Brush
Holder
Inspection
1.
Check
the brushes.
If
worn
out beyond the service limit,
replace
the brushes.
Brush Height
, Standard
17
mm
(0.669 in)
iiinit6
,;;;" (O.i36 in) ,
,---~""4~1
BRUSHES
2.
Check
the brush spring
.tension.
A
weak
or defective
spring
will cause excessive brush
wear;
replace
the
springs
if
suspect.
.
BRUSH
HOLDER
ASSEMBLY
~
QIo2'~_"""
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.
Commutar O.D.
Standard
Standard: 38.7
mm
(1.523 in)
E'V>.~~,Service
limit:
-1.0
mm
(-0.039 in)
COMMUTATOR
0.0.
j"""'WES7EllBEKE
I Engines & Generators
43
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