Hi, I have a new gas/gasless 140 amp welder that I have been using in the gasless mode and it works well. I recently bought a disposable gas cylinder and regulator (see photo), installed a reel of 0.08 solid wire, changed the terminals so the gun is positive and gave it a go....bloody hopeless. Just a series of pops and bangs and blobs of weld, (see photo). When I turn the gas on it comes out of the gun nozzle as a barely audible whisper of gas regardless whether I press the trigger or not. is this right? Should it not be a fairly loud hiss of gas that is only activated when I press the trigger? I would really appreciate any advice you Guys can give me.