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14th February 2015 | 21:55

#4 (permalink)

LEVEL600

Joined: Mar 2009

Posts: 60

Likes: 0

From: Prague

EMDP are switched on before engine start usually during cockpit prepartion checklist and switched off after shutdown. EDP sw. are in on all the time, in off position is supplied pump depres. solenoid, which can be overheated/damaged without cooling.

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