PPRuNe Forums - View Single Post - B737 Pneumatics
Thread: B737 Pneumatics
View Single Post
Old 17th May 2010 | 07:27
  #5 (permalink)  
capt. solipsist
 
Joined: Mar 2009
Posts: 163
Likes: 0
From: pre-dep area
ALLERBESTE,

This is to prolong the life of the solenoid. It is actually de-energized on the ON position, not the other way around.
capt. solipsist is offline  
Reply
0