1. modern Mig welders are very touchy on voltage, there are 2 , 208 and 230, some machines you have to check the voltage and move a jumper inside the machine to the proper voltage.
2. sections of the wire burning off, suggests, too low an amperage, to slow a wire speed, or too large a wire.
3. take it back to where it was bought and ask them to demonstrate it for you.
4. you should be able to obtain an operaters, maintenance manual for it from the Company that made it.
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Irnsrgn
Knowledge must be shared or it lies dead in the mind.
The Blacksmith must use Hammer and Flame to force the iron down the path of his own choosing.
I usually find it much easier to be wrong once in while than to try to be perfect.
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