eddyjs62
New member
I have a question for the welding gurus.I have a old Solar 2120 mig welder I want to use flux core wire in.Can I switch the ground and gun lead without short circuit the machine.
solar 2120
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Shield Arc
Super Member
I'm not familiar with that welder. Some machines you have to go inside to switch the polarity.
To run self shielded flux core on a regular Mig machine sometimes you can get away with running up .045" wire in a Mig gun, but don't be surprised if you have to buy a dedicated flux core gun. You may also need serrated drive rolls.
To run self shielded flux core on a regular Mig machine sometimes you can get away with running up .045" wire in a Mig gun, but don't be surprised if you have to buy a dedicated flux core gun. You may also need serrated drive rolls.
