Just got my brand new Hobart 187 delivered today. When I connected the new Hobart regulator to my shielding gas tank I get a little flow even when the pressure regulator screw is backed all the way out (no pressure on the regulator diaphram). I'm new to MIG welding, but very familiar with compressed gases and regulators. My instincts tell me this regulator I was shipped is defective. Am I corrected or is this normal operation for the Hobart 187 system and regulator ?
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