Hey guys, new guy to the forum, not new to welding. i have a Lincoin weldpak 100, had it for 8 years. just this christmas i got gas (co2) & hook ups & tip to go with it. i have never used gas before, so i bought the wire (aloy/gas sheilded .035") and tried to weld with it @ B setting, wire speed #2-2.5 (for exhaust ex.)
it welds real nice but it spits and sputters like crazy, almost like the metal has grime on it. i tried it on clean metal and it does the same thing. i have reversed the pos/neg terminals like i was supposed to.
is this normal with the gas to do this, or is something off?
here are some pics of the what the welds look like, keep in mind that it looks like this on perfectly clean metal
i was told the co2/inert gas mixture was good for light metal all the way up to 1/4" thick. here are the welds:
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