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Date: Mon, 24 Apr 2006 19:34:29 -0400
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From: "Gerard O Connell" <goconnell@dodo.com.au>
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Reply-to: "Gerard O Connell" <goconnell@dodo.com.au>
Subject: Oildyne pump-LNC2
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Lorn and those of you whom have had the hydraulic pump serviced, what
symptoms did you have to indicate this was necessary?<BR><BR>Over a year ago
I had problems with a nose gear door fully open in flight, the symptom of
which was an aerodynamic " buzzing " noise from the front of the aircraft.
It was suggested that perhaps I had the reversed spool valve problem. I
pulled the pump apart and found no spool valve inside. I cannabalised my old
pump and installed a spool valve in the new pump. The problem was
solved.<BR><BR>Unfortunately I am again getting an buzzing noise/vibration
(only worse)&nbsp;above 130kts, which I suspect is a nose gear door
partially ajar in flight. I thought it may be the exhaust vibrating, however
this was tightened and the noise persists.<BR><BR>&nbsp;I wonder would the
valve which had been present in the old pump for over 10 years have finally
deteriorated or started to deteriorate?<BR><BR>So what symptoms have people
had in old pumps?<BR><BR>Also the contact I&nbsp;pulled&nbsp;from the
archives&nbsp;for Oildyne was Edward Van Hecke..is he still "the
man"<BR><BR>Getting frustrated with noise<BR><BR>Gerard O
Connell<BR>Melbourne, Australia<BR>VH-LPD (LNC2)<BR><BR>
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