ARMY TM 9-6115-673-13&P
AIR FORCE TO 35C2-3-512-1
(2) Connect electrical leads and remove tags.
(3) Install EMI filter (MEP-531A), refer to paragraph 4.47.d.
(4) Close and secure instrument panel.
a. Inspection.
(1) Shut down generator set.
(2) Release instrument panel by turning fastener, open instrument panel slowly.
(3) Inspect voltage regulator for security, cracked case, corrosion, and other damage.
(4) Close and secure instrument panel.
b. Testing (MEP-531A).
(1) Shut down generator set.
(2) Connect load bank to load terminals.
(3) Release instrument panel by turning fastener, open instrument panel slowly.
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.
(4) Start generator set and turn VOLTAGE ADJ. potentiometer to verify adjustment range (114 to
126 VAC). If no voltage or low voltage was indicated, or voltage adjustment range could not be
achieved, continue with the following steps. Otherwise, voltage regulator is serviceable.
(5) Test VOLTAGE ADJ. potentiometer, refer to paragraph 4.28.b.
If defective, replace
VOLTAGE ADJ. potentiometer and redo step (4).
(6) Set multimeter for AC volts and connect positive lead of multimeter to terminal 13 of TB1 and
negative lead to terminal 15 of TB1. Multimeter should indicate approximately 114-126 VAC.
(7) Connect positive lead of multimeter to terminal 8 of TB1 and negative lead to terminal 15 of
TB1. Multimeter should indicate 160-180 VAC. If reading is incorrect, check alternator G2,
wiring. Then redo step (4).
