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air leak

 
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mj(at)yakuk.com
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PostPosted: Thu Dec 21, 2006 12:32 am    Post subject: air leak Reply with quote
You will find that the seals in the gear one of the 3 are in a bad way. Best
overhaul all 3 lifters, emg valves and up locks.



Seasons greetings, mj

+++++++++++

So the culprit appears to be a sticky/dirty non-return valve somewhere,
which is kept closed when pressure is high, but then opens as the pressure
drops. The pop off valve is keeping in the emergency air, but that's where
the main air is blowing out from.

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dsavarese(at)elmore.rr.co
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PostPosted: Thu Dec 21, 2006 4:31 am    Post subject: air leak Reply with quote
Mark is right on. You can try to repair your airplane piecemeal, but if one
actuator (Mark calls it a lifter) is leaking, you can bet the other 2 are in
a bad way internally also. Don't forget to overhaul the shuttle valves on
the actuators as well. Oh! One more thing. You may as well overhaul the
flap actuator too. The same crud that is in the landing gear actuators and
uplocks is also in the flap actuator and its shuttle valves.
Dennis

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