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9 Cards in this Set
- Front
- Back
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SHUTOFF/EXT SW
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Guarded 3 position SW
EXTNG- discharges ext agents into APU compartment CLOSE - closes APU fuel shutoff and bleed valves Disconnects APU gen from central DC bus Deenergizes the APU control panel |
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FIRE warning light
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Fire or overheat condition is sensed by fire detector
The red FIRE light illuminates and remains so until condition is eliminated |
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Fire detect INOP light
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If gas is lost from detector loop the INOP light illuminates
Amber APU light on MAP master CAUTION flashes INOP light also come on during main fire system test |
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Bottle ABLE light
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Illuminates only during test sequence means the bottle explosive firing circuits are intact
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Fuel totalizer APU fuel consumption
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Post mod 130 lb/ hr
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APU starting
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Min 22 volts
Max alt for start 20000 Speed 135-240 KIAS |
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Smell of fumes in a/c
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Shut down bleed from APU
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If APU is shut down and the APU master switch has been turned off
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Do not turn switch back on for at least one minute
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To prevent electrical transients affecting sensitive electronic equipment
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Place Backup Batt switch to ARM position prior to APU start
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