TM 5-6115-596-14
Table 5-3.
Direct and General Support Troubleshooting
( Centinued )
Corrective Action
Malfunctions (symptoms) Probable causes (tests)
(remedies)
a. Replace brushes
a. Brushes making poor
4. Generator has no
contact with commu-
if approaching
output or output
tator .
their minimum
is very low.
length (para. 5-
22c) . Seat and
run-in brushes
b. Short circuited or
b. Replace arma-
grounded armature.
ture (para. 5-
20).
c. Reversed polarity in
c. Make certain
electrical system.
positive con-
tacts are con-
nected to posi
tive contacts
and negative
contacts to neg-
ative contacts.
a. Connect brushes
a. Unproperly connected
5. Generator produces
properly (para.
brushes.
full voltage with
5-24).
reverse polarity.
b. Check for defec-
b. Defective housing
tive housing
assembly.
Replace defec
tive housing
a. Adjust rheostat
a. Rheostat out of ad-
6. Generator produces
justment (generator
low output
sets, serial numbers
voltage.
923-001 thru 923-
553).
b. On sets, serial
b. Defective generator
numbers 923-001
regulator.
thru 923-553,
regulators may
be repaired. On
sets, serial
numbers 929-001
thru 929-290,
defective regu-
lators must be
replaced (para.
5-28 thru 5-32).
Change 2
5-6
