X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from co9outboundpool.messaging.microsoft.com ([207.46.163.28] verified) by logan.com (CommuniGate Pro SMTP 6.0.5) with ESMTPS id 6366597 for lml@lancaironline.net; Tue, 09 Jul 2013 18:26:17 -0400 Received-SPF: pass receiver=logan.com; client-ip=207.46.163.28; envelope-from=rpastusek@htii.com Received: from mail148-co9-R.bigfish.com (10.236.132.239) by CO9EHSOBE022.bigfish.com (10.236.130.85) with Microsoft SMTP Server id 14.1.225.22; Tue, 9 Jul 2013 22:25:40 +0000 Received: from mail148-co9 (localhost [127.0.0.1]) by mail148-co9-R.bigfish.com (Postfix) with ESMTP id 6A339880194 for ; Tue, 9 Jul 2013 22:25:40 +0000 (UTC) X-Forefront-Antispam-Report: CIP:157.56.245.5;KIP:(null);UIP:(null);IPV:NLI;H:CH1PRD0710HT003.namprd07.prod.outlook.com;RD:none;EFVD:NLI X-SpamScore: -5 X-BigFish: PS-5(zz9371Ic85fh1432Izz1f42h1ee6h1de0h1fdah2073h1202h1e76h1d1ah1d2ah1fc6hzz8275ch1d7338h177df4h17326ah18c673h1954cbh18602eh5eeeK8275bh8275dhz2fh2a8h668h839hd25hf0ah1288h12a5h12bdh137ah1441h1504h1537h153bh15d0h162dh1631h1758h18e1h1946h19b5h19ceh1ad9h1b0ah1bceh1d07h1d0ch1d2eh1d3fh1de9h1dfeh1dffh1e1dh1155h) Received-SPF: pass (mail148-co9: domain of htii.com designates 157.56.245.5 as permitted sender) client-ip=157.56.245.5; envelope-from=rpastusek@htii.com; helo=CH1PRD0710HT003.namprd07.prod.outlook.com ;.outlook.com ; Received: from mail148-co9 (localhost.localdomain [127.0.0.1]) by mail148-co9 (MessageSwitch) id 1373408738393207_15707; Tue, 9 Jul 2013 22:25:38 +0000 (UTC) Received: from CO9EHSMHS009.bigfish.com (unknown [10.236.132.242]) by mail148-co9.bigfish.com (Postfix) with ESMTP id 5D12158005E for ; Tue, 9 Jul 2013 22:25:38 +0000 (UTC) Received: from CH1PRD0710HT003.namprd07.prod.outlook.com (157.56.245.5) by CO9EHSMHS009.bigfish.com (10.236.130.19) with Microsoft SMTP Server (TLS) id 14.1.225.23; Tue, 9 Jul 2013 22:25:37 +0000 Received: from CH1PRD0710MB367.namprd07.prod.outlook.com ([169.254.11.166]) by CH1PRD0710HT003.namprd07.prod.outlook.com ([10.255.152.38]) with mapi id 14.16.0324.000; Tue, 9 Jul 2013 22:25:37 +0000 From: Robert R Pastusek To: Lancair Mailing List Subject: RE: [LML] Re: Overhauling Landing Gear Actuators Thread-Topic: [LML] Re: Overhauling Landing Gear Actuators Thread-Index: AQHOfOM7vb0wa3/Dlki2g989LOW6SZlc67xw Date: Tue, 9 Jul 2013 22:25:36 +0000 Message-ID: <41361035E6613244A377D5AC3BF5EFDD613E1032@CH1PRD0710MB367.namprd07.prod.outlook.com> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [72.9.2.42] Content-Type: multipart/alternative; boundary="_000_41361035E6613244A377D5AC3BF5EFDD613E1032CH1PRD0710MB367_" MIME-Version: 1.0 Return-Path: rpastusek@htii.com X-OriginatorOrg: htii.com --_000_41361035E6613244A377D5AC3BF5EFDD613E1032CH1PRD0710MB367_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Also consider putting an old O-ring into the snap ring groove and rolling/s= liding the new O-ring over it. Then remove the old ring. I have not used t= his technique on the LMG cylinders, but have used it for other applications= ... just a suggestion... Bob Posted for Chris Zavatson >: > Pete, > Your groove must have a small burr or similar grabbing the O-ring. I >suggest some fine wet/dry sandpaper to knock down the edges of the O-ring >groove. I use a home-made polishing/honing tool made of wet-dry strips th= at >takes care of this when I clean up the inner bore. By hand should work >also. 400-600 grit if you need to take material off. Down to 1,000 grit = for >finishing. > And of course lots of Parker O-Lube helps also, but this will not make up >for a burr. > see also >http://n91cz.com/Hydraulics/Rebuilding_Lancair_Hydraulic_Cylinders.pdf > good luck, > > Chris Zavatson > N91CZ > 360std > www.N91CZ.net > >From: CavittP > > To: lml@lancaironline.net > Sent: Tuesday, July 9, 2013 5:15 AM > Subject: [LML] Overhauling Landing Gear Actuators > > > > Any hot-tips on how to replace O-rings in landing gear actuators? I'm >having a hard time not causing damage getting them past the snap ring >grooves. > > Pete Cavitt - N320PL > +1-619-701-0784 Cell > http://www.petecavitt.com/ > >>> -- For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.html --_000_41361035E6613244A377D5AC3BF5EFDD613E1032CH1PRD0710MB367_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Also consider putting an old O-ring into the snap r= ing groove and rolling/sliding the new O-ring over it. Then remove the old ring.  I have not use= d this technique on the LMG cylinders, but have used it for other applicati= ons… just a suggestion…

 

Bob




Posted for Chris Zavatson <c= hris_zavatson@yahoo.com>:

> Pete,
> Your groove must have a small burr or similar grabbing the O-ring= .  I
>suggest some fine wet/dry sandpaper to knock down the edges of the O-ri= ng
>groove.  I use a home-made polishing/honing tool made of wet-dry s= trips that
>takes care of this when I clean up the inner bore.  By hand should= work
>also.  400-600 grit if you need to take material off.  Down t= o 1,000 grit for
>finishing.
> And of course lots of Parker O-Lube helps also, but this will not make= up
>for a burr. 
> see also
>http://n91cz.com/Hydraulics/Rebuilding_Lancair_Hydraulic_Cylind= ers.pdf
> good luck,
>  
> Chris Zavatson
> N91CZ
> 360std
> www.N91CZ.net
>
>From: CavittP <cavittp@aol.com>
> To: lml@lancaironline.net=
> Sent: Tuesday, July 9, 2013 5:15 AM
> Subject: [LML] Overhauling Landing Gear Actuators
>
>
>
> Any hot-tips on how to replace O-rings in landing gear actuators? &nbs= p;I'm
>having a hard time not causing damage getting them past the snap ring <= br> >grooves.
>
> Pete Cavitt - N320PL
> +1-619-701-0784 Cell
> http://www.petecavitt.com/<= br> >
>>>

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