X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [97.68.172.111] (account marv@lancaironline.net) by lancaironline.net (CommuniGate Pro WEBUSER 6.0.5) with HTTP id 6366517 for lml@lancaironline.net; Tue, 09 Jul 2013 16:30:53 -0400 From: Subject: Re: [LML] Overhauling Landing Gear Actuators To: lml X-Mailer: CommuniGate Pro WebUser v6.0.5 Date: Tue, 09 Jul 2013 16:30:53 -0400 Message-ID: Reply-To: marv@lancair.net In-Reply-To: <1373377972.31027.YahooMailNeo@web121606.mail.ne1.yahoo.com> References: <1373377972.31027.YahooMailNeo@web121606.mail.ne1.yahoo.com> MIME-Version: 1.0 Content-Type: text/html;charset=iso-8859-1 Content-Transfer-Encoding: 8bit



Posted for Chris Zavatson <chris_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-ring
>groove.  I use a home-made polishing/honing tool made of wet-dry strips 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 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 <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?  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/
>
>>>