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LINCOLN PRO-MIG 140 - What do I set this gauge on? And I presume I read the numbers in black, not red?






The gauge on the right is how much is left in the bottle, the one on the left is flow as you know I'm betting.

It's set too high in the picture above IMO for most welding. You need just enough flow to keep your welds pure and no more. Got to experiment to find what's best for what your welding. Got to keep your gas nozzle clean so there's un interrupted gas flow. I use nozzle dip to keep splatter from sticking to my nozzle.

I'd start down around 10 and go from there.

Does anyone remember the flow meters with the floating ball?

The gauge above I believe is reading in cubic foot of air per minute or hour or something like that, not psi.