A300 Classic SKV Pneumatics Flashcards
What is the function of the engine bleed valve?
Functions as a pressure regulator and shutoff valve.
When the APU bleed air is switched ON, how does the pneumatic system reconfigure?
The Crossfeed Valve automatically moves to the in-line position.
When do both engine bleed air valves automatically close?
The APU is supplying bleed air.
What does the air crossfeed valve FAULT light mean?
Valve disagreement - not in position selected by switch.
How can you manually open and close the air crossfeed valve?
Select Crossfeed Mode pushbutton switch to MAN, then depress the X FEED pushbutton
How many motors does the air crossfeed valve have?
Two motors, one for auto and one for manual mode
What will cause the engine bleed valve to close automatically?
A bleed leak is detected.
What happens if a BLEED VALVE pushbutton is selected off?
Engine and HP bleed valves are closed
Which engine normally supplies hydraulic reservoir pressurization?
Number 1 engine
What pneumatic components are sourced directly from their respective engines?
Engine Anti-ice and thrust reversers
How do the engines supply bleed air to the pneumatic system?
Either the 8th or 15th stage compressor depending on engine RPM.
What is not supplied by the aircraft pneumatic system?
Pneumatic cargo door operation
When will a left or right BLEED LEAK light illuminate?
Overheat detected, remains illuminated as long as the condition exists.
APU bleed air can be used for which of the following?
Wing Anti-ice
Where does the hot air from the pneumatic manifold go after passing through the pack valve?
Into the refrigeration unit or through the hot air supply valve to the hot air manifold
