[rebel-builders] Proseal removal

[Drew Dalgleish]

At 05:59 PM 07/11/2009 -0500, you wrote:

What is the easiest way to remove old proseal from the outside tank skin?

Roland
R56

Mogas with ethanol in it ;)

Seriously the easiest way is probably mechanicaly by scraping or a
scotchbrite pad on a die grinder.
Drew



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[Bob Patterson]

Hi Roland !

You could also try a plastic ice scraper (not as likely to scratch the
aluminum). Possibly wrap a rag around it, soaked in Acetone ....
Just damp - don't let acetone run in on the proseal seams !

If it's not lumpy, you could just leave it - it will help the paint
to stick later ! ;-)

Hope to see you at the Builders Meeting tomorrow - you'll get
LOTS of advice there ! :-)

--
......bobp
bobp@prosumers.ca
http://bpatterson.qhealthbeauty.com
http://apatterson2.ordermygift.com

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-------------------------------orig.-------------------------
On Saturday 07 November 2009 23:10, Drew Dalgleish wrote:

At 05:59 PM 07/11/2009 -0500, you wrote:

What is the easiest way to remove old proseal from the outside tank skin?

Roland
R56

Mogas with ethanol in it ;)

Seriously the easiest way is probably mechanicaly by scraping or a
scotchbrite pad on a die grinder.
Drew

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[Ken]

I removed it with MEK before it hardened. Very messy.

MEK does soften hardened proseal but might also undercut the proseal
under the rivet head. Paint remover probably also works and might be
easier. I would try loosening it with the wooden dowel in a battery
drill as I mentioned recently for sikkaflex on my floats.

Ken

Actually Drew I'm convinced that gasohol doesn't really affect proseal
until the pure alcohol drops out and sits in the bottom of the tank ;(
On a 'ramble' I use gasohol in preference to 100LL but of course it
doesn't sit in the tanks very long.

Drew Dalgleish wrote:

At 05:59 PM 07/11/2009 -0500, you wrote:

What is the easiest way to remove old proseal from the outside tank skin?

Roland
R56

Mogas with ethanol in it ;)

Seriously the easiest way is probably mechanicaly by scraping or a
scotchbrite pad on a die grinder.
Drew

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[Drew Dalgleish]

Yeah I was joking about the gasohol. I ran mogas all the time when I had
the 0-290 in my plane and never tested for ethanol. My tanks have never
leaked.

At 09:26 PM 07/11/2009 -0500, you wrote:

I removed it with MEK before it hardened. Very messy.

MEK does soften hardened proseal but might also undercut the proseal
under the rivet head. Paint remover probably also works and might be
easier. I would try loosening it with the wooden dowel in a battery
drill as I mentioned recently for sikkaflex on my floats.

Ken

Actually Drew I'm convinced that gasohol doesn't really affect proseal
until the pure alcohol drops out and sits in the bottom of the tank ;(
On a 'ramble' I use gasohol in preference to 100LL but of course it
doesn't sit in the tanks very long.

Drew Dalgleish wrote:

At 05:59 PM 07/11/2009 -0500, you wrote:

What is the easiest way to remove old proseal from the outside tank skin?

Roland
R56

Mogas with ethanol in it ;)

Seriously the easiest way is probably mechanicaly by scraping or a
scotchbrite pad on a die grinder.
Drew

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Drew



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[lawsondj]

A couple of years ago a member of my local EAA chapter needed to remove proseal and they used a polysulphide stripper called
Poly Gon 300-AG (GEL). This material chemically emulsifies the cured proseal allowing it to be flushed away with water. The supplier of Poly Gon is RPM Technology, LLC.
I have never used the stuff myself, but I understand they will send out free samples of the stripper. You don't have to get a 50 gal drum.


Jack, SR193


----- Original Message -----
From: "Ken" <klehman@albedo.net>
To: rebel-builders@dcsol.com
Sent: Saturday, November 7, 2009 6:26:12 PM GMT -08:00 US/Canada Pacific
Subject: Re: [rebel-builders] Proseal removal

I removed it with MEK before it hardened. Very messy.

MEK does soften hardened proseal but might also undercut the proseal
under the rivet head. Paint remover probably also works and might be
easier. I would try loosening it with the wooden dowel in a battery
drill as I mentioned recently for sikkaflex on my floats.

Ken

Actually Drew I'm convinced that gasohol doesn't really affect proseal
until the pure alcohol drops out and sits in the bottom of the tank  ;(
On a 'ramble' I use gasohol in preference to 100LL but of course it
doesn't sit in the tanks very long.

Drew Dalgleish wrote:

At 05:59 PM 07/11/2009 -0500, you wrote:

What is the easiest way to remove old proseal from the outside tank skin?

Roland
R56

Mogas with ethanol in it ;)

Seriously the easiest way is probably mechanicaly by scraping or a
scotchbrite pad on a die grinder.
Drew

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