36 Pneumatic Flashcards
1
Q
Bleed air is sourced from the 3rd stage engine compressor to supply what?
A
Wing & Emp de ice boots, door seal, brake deice, vacuum system via jet pump.
2
Q
What are the main components of the bleed air system?
A
2 check valves to prevent reverse flow during single engine, pressure regulator and relief valve, deice valve, ejector pump.
3
Q
What pressure is bleed air regulated to for airframe services?
A
18 psi with a max relief of 21 psi.
4
Q
What flow rate and pressure is bleed air at directly from the compressor?
A
1 - 1.5 pounds/minute at 90-120 psi.
5
Q
Where is the pressure regulator valve located?
A
under the right seat deck forward of the aft spar.
