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330 A/BP running wide open

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  • 330 A/BP running wide open

    My 330 A/BP (serial # HJ191607) is acting up on me. No matter what setting I put it on; it runs at max amps no matter what position the Rheostat is in. I tested the rheostat and it does not fluctuate ohms of resistance when I move it. I'm 99.9% sure that is my problem, but wanted to see if there was anything else I should check before I spend the money. BTW, I found the Rheostat at a really good price ($53 to my door) here and it is the same miller part number: https://weldingsupply.com/cgi-bin/remember.pl

    Thanks!

  • #2
    Send an email to ventureline@shaw.ca, and I'll send you the service manual for your machine. That'll make it easier than trying to explain it here.

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    • #3
      Awesome! Email sent. Thanks!

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      • #4
        Thanks again

        Cruizer, Just wanted to say thanks again. If you are ever in Nashville; look me up and I'll buy you a few beers!

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