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5 Make sure that persons whith loose objects (such as hats,
_ eyeglasses, loose clothing, or rags) do not go into this area.
6 When an engine is operated, use an engine inlet guard. This
_ will prevent persons from being pulled into the inlet because of the suction of the engine.
(d) Stay outside of the inlet hazard area for at least 30 seconds after the fuel cutoff signal from the flight compartment.
(3) Obey the following precautions about the engine exhaust (Ref. Fig. 502/TASK 71-00-00-991-302)
**ON A/C 001-049, 051-099, 101-149, 201-299,
(Ref. Fig. 503/TASK 71-00-00-991-304)
**ON A/C 151-199,
(Ref. Fig. 503A/TASK 71-00-00-991-304-A) R **ON A/C 301-399, 401-499,
(Ref. Fig. 503B/TASK 71-00-00-991-304-B)
**ON A/C ALL
WARNING : ALL PERSONS MUST STAY OUT OF THE DANGEROUS AREAS THAT ARE
_______ AFTER OF THE POWER PLANT. DURING THE ENGINE OPERATION, THERE ARE HOT GASES AND HIGH SPEED AIR WHICH CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(a) When the engine operates, a large quantity of exhaust comes from the aft end of the engine.
1 The exhaust is hot and moves at high speed.
_ 2 There are contamination and bad gases which were pulled into
_
the engine by suction.
3 There are gases from the fuel that has burned or fuel which
_
has not burned.
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(b) At high power, the fan and turbine exhaust can blow loose dirt, stones, sand and other unwanted materials a distance of 300 ft. (91 m).
1 The airplane must be parked at an area where injury to persons
_ or damage to equipment or other airplanes can be prevented.
2 Use a blast fence to deflect the thrust if the engines are
_ operated without sufficient space to decrease the fan and turbine exhaust thrust to zero.
(c) High temperature exhaust can be found 300 ft. (91 m) from the exhaust nozzle with the correct wind conditions.
CAUTION : DO NOT DO ENGINE GROUND RUNS UNLESS THE AIRCRAFT IS ON
_______ A CONCRETE PAVEMENT. ENGINE EXHAUST GASES CAN CAUSE AN ASPHALT PAVEMENT TO MELT. MELTED ASPHALT CAN CAUSE IMPORTANT DAMAGE TO THE REAR STRUCTURE OF THE AIRCRAFT AND/OR TO THE ENGINE NACELLES.
NOTE : Idle runs are allowed on asphalt provided it is in good
____
conditions.
1 Make sure that the aircraft is parked on a clean dry flat
_ area. There must be no oil, grease or other slippery material on that surface. Pavement must be in concrete because asphalt can cause damage to the engine/aircraft structure.
(d) When an engine is started, fuel that has collected in the turbine exhaust sleeve can ignite.
1 Long flames are blown out of the exhaust nozzle.
_
2 All flammable materials must be kept clear of the exhaust
_
nozzle.
(e) There are gases in the exhaust that are dangerous to you. You must stay away from small spaces where these gases can collect. Tests have shown that the amount of carbon monoxide in the exhaust is small, but there are other gases in the exhaust that smell bad and can cause injury or irritation to your eyes and lungs.
1 These gases will usually cause a watering or burning sensation
_
to your eyes.
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2 Less noticeable, but important, is the possibility of
_
respiratory irritation.
(4) Obey the following precautions about the entry corridor (Ref. Fig. 502/TASK 71-00-00-991-302)
**ON A/C 001-049, 051-099, 101-149, 201-299,
(Ref. Fig. 503/TASK 71-00-00-991-304)
**ON A/C 151-199,
(Ref. Fig. 503A/TASK 71-00-00-991-304-A)
R **ON A/C 301-399, 401-499,
(Ref. Fig. 503B/TASK 71-00-00-991-304-B)
**ON A/C ALL
WARNING : - ENGINE OPERATION MUST NOT EXCEED MINIMUM IDLE WHEN
_______ PERSONNEL ARE IN ENTRY/EXIT CORRIDOR.
- POSITIVE COMMUNICATION BETWEEN THE FLIGHT COMPARTMENT AND PERSONNEL IN ENTRY EXIT CORRIDOR IS NECESSARY.
- INLET AND EXHAUST HAZARD AREAS MUST BE STRICTLY OBSERVED BY PERSONNEL IN ENTRY/EXIT CORRIDOR.
- POSITIVE COMMUNICATION BETWEEN FLIGHT COMPARTMENT AND PERSONNEL IN ENTRY/EXIT CORRIDOR IS NECESSARY.
- INLET AND EXHAUST HAZARD AREAS MUST BE STRICTLY OBSERVED BY PERSONNEL IN ENTRY/EXIT CORRIDOR. 中國航空網 www.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：A320飛機維護手冊 AMM 動力裝置 POWER PLANT 1(35)
