Sorry.
Mr. Walton is on the right track and yes the balloon is to keep you from over doing a pressure level in the tank as it does not take more than 4-6 p.s.i.g. for one to bust a seam wide open. Sorry I did not mention the old soap trick before, it should be part of the testing of a tank. Only one comment the little bottles of soap you get down at Lows or in some hardware store aviation department, that are used to test for gas leaks on a home hot water heater.
These seam to work the best of any we have run across as the stuff bubbles up to show a leak better than any other soap we have found to date.
If it hold good pressure for a couple of days and you don't find any soap bubbles then fill it with mow-gas and let it set for a couple of days. You may still see a small wet spot. If you need to then you can drain the fuel and put it in your road mobile tell you fix that wet spot. "Don't ask the answer is yes" hope this helps Yours as always R.E.A. III #80888
Last edited by Robert Anglin : 01-10-2014 at 06:54 PM.
Reason: My bad
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