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Thread: Why do you pressurize hydraulics before pushback (744)
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Old 18th January 2012 | 07:40
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Sciolistes
 
Joined: Aug 2008
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From: Betwixt and between
On the 737 we leave the EDPs on even when shut down as recommended by Boeing to increase system component life. That being the case, pressurising before pushing back would probably prevent nasty surprises as the engines are started.
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