X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 10 Oct 2007 09:02:17 -0400 Message-ID: X-Original-Return-Path: Received: from mail-out2.fuse.net ([216.68.8.171] verified) by logan.com (CommuniGate Pro SMTP 5.1.12) with ESMTP id 2379166 for lml@lancaironline.net; Wed, 10 Oct 2007 09:01:08 -0400 Received-SPF: pass receiver=logan.com; client-ip=216.68.8.171; envelope-from=dreagan@fuse.net X-Original-Return-Path: X-CNFS-Analysis: v=1.0 c=1 a=mY74FrNEczAA:15 a=VFFERzew77AQ9s6yR50nUw==:17 a=afjMPrUuTyw8va7xGMMA:9 a=xPn8QmN4kKaceJyTTQcSnlgiuQ4A:4 a=eZLSmJVMEtUA:10 a=txBnCh_VnUlF3iqApsAA:9 a=aqHhTPtDzxxHHEIeqa0A:7 a=uo50VyuYlU0p5dJcw7iN7_Qb3b0A:4 a=AfD3MYMu9mQA:10 X-CM-Score: 0 X-Scanned-by: Cloudmark Authority Engine Received: from [74.215.45.9] ([74.215.45.9:50516] helo=DanReagan) by mail-out2.fuse.net (ecelerity 2.1.1.22 r(17669)) with ESMTP id BB/AE-07540-FECCC074 for ; Wed, 10 Oct 2007 09:00:31 -0400 X-Original-Message-ID: <000801c80b45$467ff8e0$6001a8c0@myhome.westell.com> From: "Dan Reagan" X-Original-To: "lancair" Subject: IVP accumulator question X-Original-Date: Wed, 10 Oct 2007 09:55:44 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0005_01C80B23.B99A09A0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1409 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 This is a multi-part message in MIME format. ------=_NextPart_000_0005_01C80B23.B99A09A0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Recently I have noticed that the hydraulic pump seems to cycle more than = usual when the flaps are going into the down position. Going down it = cycles once every second for about 6 seconds. Going up it cycles one = time. =20 I am trying to check the accumulator pressure but it looks like I am = going to have to take the accumulator out of the plane to do this since = the end cap which protects the schrader valve won't easily turn. Before = I started the disassembly process I thought I would get some opinions = and advice on if there is a problem and what to do about it. Also, with the hydraulic pump breaker pulled, the pressure in the = accumulator will cycle the flaps to the opposite position but not much = more. My thinking is that the accumulator is not totally bad but just = has low pressure. If I remove the accumulator for maintenance, what air bleeding will I = have to do? Any advice and help would be appreciated. Dan Reagan IVP 450+ hours Cincinnati ------=_NextPart_000_0005_01C80B23.B99A09A0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Recently I have noticed that the = hydraulic pump=20 seems to cycle more than usual when the flaps are going into the down=20 position.  Going down it cycles once every second for about 6=20 seconds.  Going up it cycles one time. 
 
I am trying to check the accumulator = pressure but=20 it looks like I am going to have to take the accumulator out of the = plane to do=20 this since the end cap which protects the schrader valve won't easily=20 turn.  Before I started the disassembly process I thought I would = get some=20 opinions and advice on if there is a problem and what to do about=20 it.
 
Also, with the hydraulic pump breaker = pulled, the=20 pressure in the accumulator will cycle the flaps to the opposite = position but=20 not much more.  My thinking is that the accumulator is not totally = bad but=20 just has low pressure.
 
If I remove the accumulator for = maintenance, what=20 air bleeding will I have to do?
 
Any advice and help would be=20 appreciated.
 
Dan Reagan
IVP 450+ hours
Cincinnati
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