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Cleaning Pro-Seal from sealing surfaces

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mannanj(at)alltel.net
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Posted: Tue Mar 07, 2006 8:17 pm Post subject: Cleaning Pro-Seal from sealing surfaces

"How clean does everything need to be when the fuel tank access covers go back on?"



Kyle:



Years ago I worked briefly for a shop that specialized in Mooneys.  They wanted the surfaces to be really clean before re-sealing.  Their method, was to take a piece of plexiglass, cut it into strips approx. one inch by five or six inches long.  sharpen one end on a grinder or belt sander at about a 45 degree angle.  that does a very good job of scraping most of the old sealant off.  as it gets dull or chipped, re-sharpen.



You then scuff the area with a stainless steel brush (the one that looks sort of like a tooth brush), which, by the way was recommended by Van in the construction manual.  This will remove the remnants of the sealant and leave a good tooth (pun) for the new sealant.  Of course clean the area with naptha or other cleaner before applying new sealant.



For all practical purposes, where you are now is probably fine;  but it only takes a few minutes with the stainless brush to do a really nice job.



I just did mine last week and this method worked great.  No leaks.



Mannan Thomason

RV-8 Almost flying

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BrownTool(at)aol.com
Guest

Posted: Wed Mar 08, 2006 9:11 am Post subject: Cleaning Pro-Seal from sealing surfaces

"Their method, was to take a piece of plexiglass, cut it into strips  approx. 

one inch by five or six inches long.  sharpen one end on a grinder  or belt 

sander at about a 45 degree angle.  that does a very good job of  scraping most 

of the old sealant off.  as it gets dull or chipped,  re-sharpen."

 

RV Listers,

 

I have been following this thread about removing/scraping sealant and  wanted 

to let everyone know that we have three very specific products which are  

specifically designed for safe sealant removal. Obviously the key factor is to  

avoid damaging any underlying materials/structures in the sealant removal  

process. All of the following products are specifically designed for  aircraft 

sealant removal.

_http://www.browntool.com/productselect.asp?ProductID=654_ 

(http://www.browntool.com/productselect.asp?ProductID=654)  (These  are our new hand held 

sealant scrapers and by far our most popular, originally  designed for Boeing, 

available in four shapes and found on page 105 of our  Vol.14 Master Catalog)

 

_http://www.browntool.com/productselect.asp?ProductID=695_ 

(http://www.browntool.com/productselect.asp?ProductID=695)  (Our  "SR" Cutters, dsigned by 3M 

for the Air Force, these feature 1/4-28 threads and  are used in a threaded 

drill motor - can remove sealant around  fasteners - a little pricey (thanks 3M), 

but they work exceptionally well -  found on page 107 of our Master Catalog)

 

_http://www.browntool.com/productselect.asp?ProductID=649_ 

(http://www.browntool.com/productselect.asp?ProductID=649)  (This  is our hand held phenolic 

scraper - extremely durable - found on page 104 of our  Master Catalog)

 

We have other products in stock for removing sealant, and I am always glad  

to offer any advice or answer questions - feel free to call me directly or 

shoot  me an e-mail off list. If you do not have a copy of our 132 page Master 

Catalog,  it is free for the asking. 

 

"do not archive"

 

Thanks,

 

Michael  Brown



Brown Aviation Tool Supply Co.

2536  S.E. 15th Street

Oklahoma City, OK 73129

USA



405-688-6888

Fax  405-688-6555

browntool(at)aol.com

www.browntool.com

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