Mailing List flyrotary@lancaironline.net Message #53529
From: Chris Barber <cbarber@texasattorney.net>
Subject: Re: [FlyRotary] Re: Hard hot start problem possibly found.
Date: Fri, 7 Jan 2011 01:54:41 +0000
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Cc: Rotary motors in aircraft <flyrotary@lancaironline.net>
Currently, while I help a friend move, my seals are "soaking" for the next 24 hours.

Sent from my iPhone 4

On Jan 6, 2011, at 3:21 PM, cbeazley <cbeazley@innovista.net> wrote:

>
>> Sounds like stuck seals.  Probably carbon gum-up or minor rust.
>> What vendors apex seals and springs are these?
>> Home Depot Zep Industrial purple is a great degreaser.  Acetone is another common remedy.  You may be able to spray or brush it into the apex slots.
>> If you have access through the exhaust ports, some forced mechanical movement in every direction by tape covered needle nosed pliers may help restore movement and possibly remove surface rust.
>> Some folks out there have poured acetone through the spark plug holes to get an old (sometimes seized) engine running again.  I've heard of more than a few people complaining about coolant/oil seals later...
>> Do you recall the apex clearance assuming you rebuilt the engine?  You might be able to check apex clearance in place with feeler gauges while you are at it.
>>
>> Cheers
>> Cary
>>
> I meant to say ATF instead of acetone through the plugs holes.
> Cary
>
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