X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml Date: Mon, 10 Jul 2006 22:31:56 -0400 Message-ID: X-Original-Return-Path: Received: from smtp114.sbc.mail.re2.yahoo.com ([68.142.229.91] verified) by logan.com (CommuniGate Pro SMTP 5.1c.2) with SMTP id 1230713 for lml@lancaironline.net; Mon, 10 Jul 2006 08:48:20 -0400 Received-SPF: none receiver=logan.com; client-ip=68.142.229.91; envelope-from=lorn@dynacomm.ws Received: (qmail 90291 invoked from network); 10 Jul 2006 12:47:31 -0000 Received: from unknown (HELO ?10.0.1.202?) (lorn@ameritech.net@69.220.35.244 with plain) by smtp114.sbc.mail.re2.yahoo.com with SMTP; 10 Jul 2006 12:47:30 -0000 Mime-Version: 1.0 (Apple Message framework v752.2) Content-Type: text/plain; charset=WINDOWS-1252; delsp=yes; format=flowed X-Original-Message-Id: <34037095-B0F9-43BB-B137-EF84D815673B@dynacomm.ws> X-Original-Cc: "Charles R. Patton" Content-Transfer-Encoding: quoted-printable From: Lorn H Olsen Subject: Re: Sticky landing gear and brake hydraulics X-Original-Date: Mon, 10 Jul 2006 08:47:25 -0400 X-Original-To: List Lancair X-Mailer: Apple Mail (2.752.2) > From: "Charles R. Patton" > > In the middle of this year=92s annual on a LNC2 (N360JM) and I have =20= > two questions. > > 1) The plane is on jacks and when I run the free-fall gear test, it =20= > stops before the overcenter link finishes. Pulled the bolt on the =20 > over-center link and all indications are that the Matco hydraulic =20 > cylinder is sticking as everything else swings very free. I believe that you are talking about the activators. As far as I =20 know, Matco doesn't make activators. Matco makes brakes and brake =20 cylinders. If, as I suspect, you are talking about the main wheels, yawing the =20 aircraft in flight will lock the main gear in place. Is your =20 overcenter spring in good condition? > The kit was started in =9191 and started flying in =9199. I changed = out =20 > the hydraulic fluid last year during the annual (the pump plastic =20 > tank was splitting.) and used new bulk fluid, type 41, from =20 > Aircraft Spruce. Do the cylinder seals go bad around this time =20 > frame on Matcos? If so, can I get just the elastomer parts and =20 > rebuild myself or is it a factory job only? > > 2) In a similar vein, it appears the Matco brake pucks are also =20 > sticking. So same question =96 do they tend to go bad around this =20 > time frame? Because they angle when applied, the pucks must be changed before =20 they are completely worn out. I changed to Grove wheels last year and =20= have not had to change my tires or brake pads yet. Grove can be =20 reached at: http://www.groveaircraft.com/ > Thanks, > Charles Patton -- Lorn H. 'Feathers' Olsen, MAA, DynaComm, Corp. 248-345-0500, mailto:lorn@dynacomm.ws LNC2, O-320-D1F, 1,200 hrs, N31161, Y47, SE Michigan