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Page Title:
TROUBLESHOOTING GUIDE C - ELECTRICAL |
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 TM 55-1510-218-MTF
TROUBLESHOOTING GUIDE C - ELECTRICAL
CONDITION
PROBABLE CAUSE
C1.
Zero or low voltage indicated.
a. Circuit breaker tripped.
b. Loose connection.
c. Open or shorted field circuit in generator or
defective armature.
d. Brushes not contacting commutator.
e. Brushes worn out.
f. Dirty commutator.
g. Defective voltage regulator.
C2.
No generator output.
a. Improper connections.
b. Circuit breaker tripped.
c. Open circuit.
d. Loss of residual magnetism.
e. Defective generator control switch.
f. Starter switch on.
g. Generator over-voltage circuit defective.
h. Paralleling circuit open.
i. Defective voltage regulator.
j. High resistance field circuit.
k. Shorted field.
C3.
Low generator output.
a. Generators not paralleled.
C4.
Low voltage.
a. Malfunctioning voltage regulator.
3-6
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