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 TM5-4210-224-14&P
5-10.
STARTER REPAIR. (Continued)
(5) Check the armature for short circuits by
the series coil is open and will equire
r
placing on growler and holding hack saw
repair or replacement. This test should be
blade over armature core while armature
made from each insulated brush to check
is rotated. If saw blade vibrates, armature
brush and lead continuity.
is shorted.
Recheck after cleaning
between the commutator bars. If saw
c. Testing Series Coil For Groun.d
blade still vibrates, replace the armature.
Using a test lamp place one lead on the
(6) Using a test lamp, place one lead on the
grounded brush holder and the other lead
shut coil terminal and connect the other
on either insulated brush. If the lamp
lead to a ground brush. This test should
lights, a grounded series coil is indicated
be made from both ground brushes to
and must be repaired or replaced.
insure continuity through both brushes
and leads. If the lamp fails to light, the
field coil is open and will require
replacement.
b. Testing Series Coil For Open.
Using a test lamp, place one lead on the series
coil terminal and the other lead on the insulated
brush. If the lamp fails to light,
d. Testing Solenoid Winding.s
Check the current draw of the olenoid winding
s
as follows:
(1) If solenoid is not removed from starting
5-23
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