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Unregistered
Join Date: Aug 2000
Location: a wretched hive of scum and villainy
Posts: 55,652
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Shut off O2 first, then fuel.
It'll cause more soot and could dirty up your tip but at least you won't be testing your backflow preventer to see if the cylinder explodes or not.
Of course that's an exaggeration but i have seen backfire pops damage torches and blow holes in hoses.
Anytime I hear a loud bang in my shop, someone is going on mop detail.
Last edited by sammyg2; 05-15-2018 at 10:29 AM..
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