Return-Path: Sender: "Marvin Kaye" To: lml@lancaironline.net Date: Sat, 25 Sep 2004 09:54:37 -0400 Message-ID: X-Original-Return-Path: Received: from tomts13-srv.bellnexxia.net ([209.226.175.34] verified) by logan.com (CommuniGate Pro SMTP 4.2.3) with ESMTP id 431961 for lml@lancaironline.net; Sat, 25 Sep 2004 09:49:27 -0400 Received-SPF: none receiver=logan.com; client-ip=209.226.175.34; envelope-from=ian.crowe@sympatico.ca Received: from crowe ([69.159.75.171]) by tomts13-srv.bellnexxia.net (InterMail vM.5.01.06.10 201-253-122-130-110-20040306) with SMTP id <20040925134856.XWXO4905.tomts13-srv.bellnexxia.net@crowe> for ; Sat, 25 Sep 2004 09:48:56 -0400 X-Original-Message-ID: <001e01c4a306$35986e90$6721fea9@crowe> From: "Ian B. Crowe" X-Original-To: "Lancair Mailing List" Subject: LNC@ Nose gear door X-Original-Date: Sat, 25 Sep 2004 09:47:33 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001B_01C4A2E4.AE24FF80" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_001B_01C4A2E4.AE24FF80 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable It is easy for you to check. Put the A/C on the jacks and cycle the = gear. If the nose door stays open check the plunger operated sequence = valve to see that it is depressed when the gear is fully raised, if not = depressed, lower the gear and adjust the valve. If yes check the = hydraulic connection to the cylinder by cracking it open very = carefully. If you get a squirt of fluid there the cylinder is under = pressure. You will then need to remove the cylinder to check if the = actuating rod is bent or there is some mechanical obstruction within the = cylinder. If no pressure at the connection you will have to trace the = line back to the point where you have pressure by cracking open = connections. Be very careful the pressure is around 600psi and a squirt = of hydraulic fluid in your eye will leave you with a nasty squint.=20 It is unlikely that you have a blockage in the line but it is the last = thing to check if you cannot find anything else. My money is on the = sequence valve. If you are unhappy with working on the valve try a = local hydraulic shop. If you need further help contact me at ian.crowe@symatico.ca and I will = be happy to do what I can. Been there done that! Ian Crowe ------=_NextPart_000_001B_01C4A2E4.AE24FF80 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
It is easy for you to check.  Put = the A/C on=20 the jacks and cycle the gear.  If the nose door stays open check = the=20 plunger operated sequence valve to see that it is depressed when the = gear is=20 fully raised, if not depressed,  lower the gear and adjust the = valve. =20 If yes check the hydraulic connection to the cylinder by cracking it = open=20     very carefully.  If you get a = squirt of=20 fluid there the cylinder is under pressure. You will then need to = remove=20 the cylinder to check if the actuating rod is bent or there is some = mechanical=20 obstruction within the cylinder.  If no pressure at the connection = you will=20 have to trace the line back to the point where you have pressure by = cracking=20 open connections.  Be very careful the pressure is around = 600psi=20 and a squirt of hydraulic fluid in your eye will leave you with a nasty=20 squint. 
 
 It is unlikely that you have a = blockage in=20 the line but it is the last thing to check if you cannot find anything=20 else.  My money is on the sequence valve.  If you are unhappy = with=20 working on the valve try a local hydraulic shop.
 
If you need further help contact me at = ian.crowe@symatico.ca and I = will be=20 happy to do what I can.
 
Been there done that!
 
Ian Crowe
 
 
 
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