Boeing 727 APU Fire Handle
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Boeing 727 APU Fire Handle
Hello;
In the left main gear wheel well of the B727, the external APU fire handle is located. Next to it is the control switch for discharging the halon bottles. My question is: does the fire handle (also known as T-handle) just cut off the fuel to the APU or does it cut off other system like APU air Intake and APU electrical system?
Thanks.
In the left main gear wheel well of the B727, the external APU fire handle is located. Next to it is the control switch for discharging the halon bottles. My question is: does the fire handle (also known as T-handle) just cut off the fuel to the APU or does it cut off other system like APU air Intake and APU electrical system?
Thanks.
Join Date: Apr 2002
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My brain has it in the right main gear bay, but it's over ten years now so who cares ?
In the main u/c bay the remote fire handle, as far as I recall, is in parallel to the one in the flight deck, and has all the 'normal' fire handle functions. It shuts off the fuel, closes the bleed, trips the generator and arms the bottle for discharge.
In the main u/c bay the remote fire handle, as far as I recall, is in parallel to the one in the flight deck, and has all the 'normal' fire handle functions. It shuts off the fuel, closes the bleed, trips the generator and arms the bottle for discharge.
Join Date: Jul 2003
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APU remote ground control panel located left well wheel.When the fire switch is pulled, it shuts the APU fuel shutoff valve, trips the APU generator breaker, closes the APU bleed valve and arms the APU fire bottle.Reference B727 ops manual 08.10.03.
Hope this helps. VTM
Hope this helps. VTM
Join Date: Jun 2000
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Arff,
The T handle is in the inner left wing and when pulled shuts the fuel off and arms the extinguisher bottle, 1 of.
The rest happens as a matter of underspeed, gen trips off etc.
The T handle is in the inner left wing and when pulled shuts the fuel off and arms the extinguisher bottle, 1 of.
The rest happens as a matter of underspeed, gen trips off etc.