ARMY TM 9-6115-673-13&P
AIR FORCE TO 35C2-3-512-1
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120 N
VD
C
WASHER
LOCKWASHER
SCREW
INSTRUMENT
SHUNT
c.
Testing.
(1) Release instrument panel by turning fastener, open instrument panel slowly.
(2) Set multimeter for mVDC and connect to shunt terminals [M1- (RED) and M1-
(BLK)].
WARNING
High voltage is produced when this generator set is in
operation. Use care when working around an open control
panel with the generator set operating. Improper operation
and/or failure to follow this warning could result in personal
injury or death by electrocution.
(3) Start generator set connected to load bank and operate at rated voltage at no load.
(4) Multimeter should indicate 0 mVDC.
(5) Increase load to 50 percent. Multimeter should indicate 20 mVDC.
(6) Increase load to 100 percent. Multimeter should indicate 40 mVDC.
(7) Shutdown generator set.
(8) Instrument shunt should be replaced if any of above multimeter readings are
incorrect.