dlmrun2002
New Member
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I have an older Marquette mig welder and after getting info regarding switching polarity for flux core (no gas) welding I was wondering if I could do this to my machine. It is probable 15 years or older,doesn't show a designed area for switching polarity but if I remove the cover on the opposite side of the wire feed I can see where the AC comes in. I might be able to switch there. Should I only switch polarity if the machine is set up to switch?
Thanks,
Doug M NY U.S.A.
Thanks,
Doug M NY U.S.A.