曝光台 注意防骗
网曝天猫店富美金盛家居专营店坑蒙拐骗欺诈消费者
ECAM.
Noo.. Prreessss tthhee APU BLLEED ppbb ssw ttoo ON !!
PNEUMATIC MENU Normal Operation 48/62
Just before engine shutdown we
select the APU BLEED on.
Observe the indications on the
ECAM.
Noo.. Prreessss tthhee APU BLLEED ppbb ssw ttoo ON !!
PNEUMATIC MENU Normal Operation 49/62
PNEUMATIC MENU Normal Operation 50/62
PNEUMATIC MENU
Normal Operation 51/62
• the APU BLEED valve opens
• the ENGINE BLEED and HP valves
are automatically closed because APU
bleed air has priority
• the X BLEED valve automatically
opens in order to let the APU supply
both sides of the pneumatic system
PNEUMATIC MENU
Normal Operation 52/62
IItt’’ss nnoow ttiimee ttoo sshhuutt ooffff tthhee eennggiinneess..
Click on the engine photograph to
shut off both engines.
PNEUMATIC MENU
Normal Operation 53/62
Observe the engine identification
numbers turning amber because the
engines are not running.
Before leaving the aircraft we will shut
down the APU. But first, we must switch
off the APU BLEED.
Swiittcchh APU BLLEEDOFFFF..
PNEUMATIC MENU Normal Operation 54/62
Observe the engine identification
numbers turning amber because the
engines are not running.
Before leaving the aircraft we will shut
down the APU. But first, we must switch
off the APU BLEED.
Noo.. Prreessss tthhee APU BLLEED ppbb ssw ttoo OFFFF..
PNEUMATIC MENU Normal Operation 55/62
Observe the engine identification
numbers turning amber because the
engines are not running.
Before leaving the aircraft we will shut
down the APU. But first, we must switch
off the APU BLEED.
Noo.. Prreessss tthhee APU BLLEED ppbb ssw ttoo OFFFF..
PNEUMATIC MENU Normal Operation 56/62
PNEUMATIC MENU Normal Operation 57/62
PNEUMATIC MENU
Normal Operation 58/62
Observe the indications :
• the X-BLEED VALVE is automatically
closed
• the APU BLEED VALVE is closed
• the bleed pressure is displayed amber
because there is no pressure supplied
PNEUMATIC MENU Normal Operation 59/62
PNEUMATIC MENU
Normal Operation 60/62
When the APU has shut down, the
APU BLEED VALVE is no longer
displayed.
This completes the normal operation
of the pneumatic system. We will now
discuss the indications associated with
GND HP air supply.
Clliicckk oonn tthhee ffoorrwaarrdd aarrrroow......
PNEUMATIC MENU
Normal Operation 61/62
If the APU should be inoperative for
bleed air supply, a GND HP air unit can
be connected to provide pneumatic
pressure for engine start.
The GND unit’s pressure and
temperature are indicated on the ECAM.
PNEUMATIC MENU Normal Operation 62/62
Notice that in this case the X bleed
valve remains closed with the X BLEED
selector in AUTO position. In order to
start engine 2 first, you have to set the X
BLEED selector manually to OPEN.
This is done according to a procedure
in your flight manual.
This concludes the PNEUMATIC
Normal Operation module. Why don’t you
have a coffee before going on ?
Module
completed !
NEXT
PNEUMATIC MENU Normal Operation 63/62
EXIT
AUDIO GLOSSARY FCOM
RETURN
LLIISSTTOOFFSSUUBBJJEECCTTSS
PPRREELLIIMMIINNAARRYYCCOOCCKKPPIITTPPRREEPPAARRAATTIIOONN
CCOOCCKKPPIITTPPRREEPPAARRAATTIIOONN((AAPPUUBBLLEEEEDDOONN))
EENNGGIINNEESSTTAARRTT
WWAALLKKAARROOUUNNDD
TTAAKKEEOOFFFF
AAFFTTEERRLLAANNDDIINNGG
EENNGGIINNEESSHHUUTTDDOOWWNN
UUSSEEOOFFGGNNDDHHPPAAIIRR
PNEUMATIC MENU System Presentation 1/28
PNEUMATIC MENU
System Presentation 2/28
Pneumatic
System
The A320 pneumatic system supplies
high pressure air for :
• air conditioning
• wing anti icing
• water pressurization
• hydraulic reservoir pressurization
• engine starting
Wing anti
icing
Air
conditioning
Water
pressurization
Hydraulic
reservoir
pressurization
Engine
starting
PNEUMATIC MENU
System Presentation 3/28
Pneumatic
System
GGRROOUUNNDDAAIIRR
AAPPUU
EENNGGIINNEESS
High pressure air can be supplied
from three sources :
• the engine bleed system
• the APU
• an external high pressure ground
power unit
Wing anti
icing
Air
conditioning
Water
pressurization
Hydraulic
reservoir
pressurization
Engine
starting
PNEUMATIC MENU
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：
空客a320飞机概述2(83)
