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 Table I. Troubleshooting
Corrective action
Probable causes
Malfunction
a.
Disassemble starter
Starter frozen.
a.
1.
Starter fails to
operate or turns
cause.
slowly.
Check for operation of
b.
b.
Defective solenoid relay.
solenoid by placing a
jumper across battery
terminal and solenoid
switch terminal. If
solenoid does not
operate, replace sole-
noid relay (pars. 18
and 35).
c.
Remove commutator end
c.
Worn brushes or defective
plate (par. 18c) and in-
springs.
spect brushes. Check
brush spring tension (fig.
kit if parts are defective
(par. 35c).
d.
Remove commutator end
d . Worn or pitted commutator.
plate (par. 1 8 c and in-
spect commutator. Re-
surface commutator
(par. 27d ) or replace
armature (par. 35c) if
it cannot be recondi-
tioned.
Remove armature (par.
e.
Eccentric commutator.
e.
18c) and check runout
(fig. 22). Resurface
commutator (par. 27d )
or replace armature
(par. 35c).
f.
Remove commutator end
f.
Shorted or grounded com-
plate (par. 18c) and
mutator.
check for evidence of
excessive arcing. If arc-
ing is evident, remove
armature and check for
grounds (fig. 20) or
shorts (fig. 21). Replace
armature, if defective
(par. 35c).
Grounded field coils.
Inspect field coils (par.
g.
g.
defective (par. 30).
7
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