TB 1-1730-229-30-03
Shutdown (when necessary).
______ a. On AGPU main control panel set ENGINE CONTROL switch to STOP.
______ b. Observe LOW FUEL PRESSURE and LOW OIL PRESSURE lights come on.
______ c.
Set MASTER SWITCH to off by closing the switch guard.
______ d. Observe all gauges and meters on AGPU hydraulic and main control panel to assure that
indicated pressures, voltages, and currents have been reduced to zero.
4.5
POWER OUTPUT CHECKS
4.5.1
Output Load Bank Connections. Connect loads to the AGPU as follows:
4.5.1.1 Pneumatic Load Connections.
CAUTION
Perform purge operation on pneumatic hose before connecting hose to
load bank.
______ a. Open AGPU pneumatic hose compartment door on the left hand side.
______ b. Remove entire length of pneumatic hose and lay it on the decking. Straighten the hose as
much as possible to minimize flow restrictions, connect the Aircraft connector to load test
stand.
______ c.
Check the condition of the pneumatic hose-to-AGPU connecting point, Pneumatic tubing and
hose.
______ d. Verify that the AIR FLOW CONTROL valve on the pneumatic load bank is set to closed.
4.5.1.2 Electrical Load Connections (AC).
_____ a. Remove all AC cable from the storage compartment.
______ b. Check condition of the AC cable.
______ c.
Inspect cable connector for damage, contamination, and compatibility with the AC connector
on the electrical load bank.
______ d. Verify that the AC OUTPUT switch is set to OFF.
______ e. Connect AC cable to the AC load bank.
______ f.
Set CURRENT LIMIT SELECTOR switch to AC AH-64/UH-64.
4.5.1.3 Electrical Load Connections (DC).
_____ a. Remove all DC cable from the storage compartment.
______ b. Check condition of the DC cable.
______ c.
Inspect cable connector for damage, contamination, and compatibility with the DC connector
on the DC load bank.
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