TB 1-1730-229-30-03
(6) If FAULT INDICATOR illuminates and automatic shutdown occurs, record lamp indications
prior to setting MASTER SWITCH to OFF.
(7) If Hydraulic control panel red HI TEMP indicator illuminates, shut down the AGPU and
troubleshoot IAW TM 55-1730-229-12 and TM 55-1730-229-34.
c. AGPU OPERATION.
NOTE
After hydraulic operations are complete, reduce pressure
to
approximately 500 psig by holding panel switch to DECREASE.
(1) Verify operation of DC Power by applying 100 amp load.
(2) Verify operation of battery charger by measuring DC voltage.
(3) Test operation of
both the 400 Hz
and 60 Hz
convenience receptacles (CR).
d. PROPULSION. Verify operation of the Propulsion System IAW TM 55-1730-229-12 and TM 55-
1730-229-34.
e. ENGINE.
(1) Perform an AC Overload Check IAW TM 55-1730-229-12 and TM 55-1730-229-34.
(2) GTEs that fail the AC Overload Check shall be troubleshot and repaired IAW TM 55-1730-
229-12 and TM 55-1730-229-34. The AGPU shall be subjected to the AC Overload Check
again. GTEs that fail the AC Overload Check a second time shall be repaired IAW DMWR
1-2835-213 or OEM specifications. Replacement GTEs with more than 250 hours must have
been through a repair program. In all cases, the AGPU and the replaced GTE will be
subjected to the AC Overload Check again.
(3) All "D model" AGPUs will be subjected to the Maintenance Operational Check, AC Overload
Check, paragraph 10f (14) of MWO 1-1730-229-50-2 to determine the need to repair the
engine.
(4) All "A model" AGPUs will be subjected to the following Maintenance Operational Check to
determine the need to repair the engine.
CAUTION
If GTE surge occurs, immediately set load bank to zero and discontinue
test.
(a) Attach AC cable to AC load bank.
(b) Set AC load bank to zero.
(c) Set AGPU current limit selector to 45 KW.
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