experience, it sounds more like an improper mix originally. Once proseal has
cured, I have not found anything to dissolve it. As far as finding the leak,
I use a mild dish detergent diluted with water and use a soft brush to go
over the suspected areas, while blowing gently thru one of the site gauge
fittings with a length of tubing. Of course the other openings have to be
plugged first. I just finished two wings and on the 2nd wing I had 6 tank
rivets leaking thru the stem hole ???? Go figure. Bob J (Formerly Rebel 652
& 725 assist)
----- Original Message -----
From: <eric.r@dcsol.com>
To: <rebel-builders@dcsol.com>
Sent: Wednesday, April 12, 2006 10:58 AM
Subject: [rebel-builders] PROSEAL
O.K., I need some info from a guru. I am working on finding a small leak
in a
pro-sealed tank ... pro sealed many many years ago (20). The exterior of
the
tank at the inside rib had a lot of "gooey" pro seal under the primer, and
obviously fuel residue ... a very small leak for a while.
What makes the proseal revert to an uncured condition? Seems impossible to
me! The inside of the tank shows NO Signs of a break or softening of the
pro
seal! I'm confused, and I think this repair is great practice before I
work on
the Real Airplane (790R) tanks!!
I have removerd the affected proseal on the exterior rib, and I am going
to
start probing with a sharp object on the interior proseal ... Next I'll
scuff and
start putting on new ... Any ideas
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