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pyotr filipivich

on Sat, 4 Jan 2020 14:50:31 -0800 (PST) typed
in rec.crafts.metalworking the following:
I have done this many times.first wash out tank with liwuid gunk degreaser.flush it good with water.but tank on bench.stick airhose in tank low preasure.leave tank sit 5 minutes.leave airhose in while welding.no stangent fumes no explosion.a old mortorcycle mechanic taught me that 50 years ago

That will work.

So will filling it completely with the fluid of your choice. Water
is good, but a boss of mine brazed up the leak in the gas tank, on the
car, "$10 if you watch, double if you don't."
Yes, and even he admits "Not the brightest of ideas. but I did
make twenty bucks."

--
pyotr filipivich
"With Age comes Wisdom. Although far too often, Age travels alone."