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What kind of precautions do you guys take when welding on a gas tank? I need to install a sump but I don't want to blow up!!!
 

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welding on gas tank

I had one done years ago at a radiator shop, the guy dipped the tank the same way they cleaned out a radiator, then flushed it out with water before cutting the hole for the sump and welding it on. They had done a few of them, and it worked with no issues. Good Luck!!
 

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Rinse it out with water several times and then blow it out with an air hose. Let it air out for a few hours in front of a fan until you cannot smell anymore gas fumes inside it...then weld!!
 

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A continuous purge of an inert gas such as argon into the tank while welding is a good idea.

We cant seem to recover from blowing up like how Wile E Coyote can :D
 

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I just took my pressure washer and dish soap and washed it out real good. Let it dry, then installed the sump. No biggie.
 
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