ianxbrown
Joined: 16 May 2009 Posts: 80
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Posted: Tue Nov 29, 2011 11:12 am Post subject: Fuel Tank Leaks |
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To George Nielsen,
I've also run into the problem of leaking fuel tanks on my RV-9A. I
discovered that if you remove the tank and pour diluted pro-seal in through
the filler hole you can avoid a lot of work disassembling or drilling holes
in the tank. As a diluant I found that a product sold in Canada as "lacquer
thinner" worked really well. Acetone evaporates too quickly (but it seems
to be a good cleaner before you start). You need to make the mixture really
runny. Experiment with it until you can get something quite liquid, but
that will set up fairly hard overnight. One of the ingredients in lacquer
thinner is methyl ethyl ketone (MEK).
You just need to identify where the leak is (with GENTLE air pressure from
something like a balloon) using soapy water. Once you're convinced that's
the only leaking area, focus on letting the diluted proseal flow along that
seal by the positioning of the tank.
Ian Brown, Bromont, QC, C-GOHM
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