MD-11 Flight Crew Operations Manual
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Fire Protection Chapter Fire
Controls and Displays Section 30
Fire.30.1
Fire.30 Fire Protection-Controls and Displays
APU Controls/Indicators
1. APU FIRE Handle
Illuminates red when the APU fire warning circuit is activated. At the same
time, the following actions will take place automatically:
• MASTER WARNING lights illuminate red.
• Alert appears on EAD.
• APU FIRE illuminates red on the external APU control handle.
• Fire horn sounds near the external APU control panel.
• APU shuts down.
• Aural warning will sound.
When the handle is pulled:
• APU goes to emergency shutdown.
• Fire extinguishing agent is armed.
• APU generator field is deenergized.
• APU fuel valve closes.
• APU load bleed valve closes.
AFT OVERHEAD PANEL, RIGHT SIDE
1
2
DB1-2-1945
AGENT DISCH
ENG/APU
FIRE TEST
APU FIRE
1
2
ON
OFF
FUEL
DOOR
FAIL
APU
OFF
PULL/TURN
APU
GEN
START/
STOP
October 02, 2006
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