Pneumatic System

Question 1

The Pneumatic system is provide for fours things:

Answer 1

Engine Starting
Airfoil and Engine Anti-Ice
Pressurization of Potable Water System
Air Conditioning / Pressurization

Question 2

Pneumatic System components located within the Nacelle are?

Answer 2

Low Stage Check Valve (5th), usually sufficient
High Stage valve (8th): low power setting
PRSV (regulated pressure into manifolds)
Pre-cooler (reduces temp of air supplied by engines)
Fan Air Valves (exhausts hot air form pre-cooler)

Question 3

Pneumatic System components located within the Tail Cone are?

Answer 3

Air Conditioning Flow Control Valves
Isolation Valve
Wing and Tail Anti-Ice PRSV
Ducting for APU and ground air

Question 4

PODS = Pneumatic overheat detection system does what? Location?

Answer 4

Detects overheats in the tail compartment and ruptures in the wing and tail ice protection manifolds. Located in E/E compartment.