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sureweld sw h33 portable spot welder

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  • sureweld sw h33 portable spot welder

    It has a miller board in it but they are unable to trace it back as it is a 1963 model.Can any one help me in finding out if this is a 3 phase machine or not. At the shop it works great, at home it turns on warms up for the first minute and then nothing, the light is still on but nothing happens. everything seems sound inside, I bring it back to the shop, works great, back here again, same thing, nothing. thank you

  • #2
    What power is being fed to it at the shop?
    What is being fed to it at home?
    "Beware of false knowledge; it is more dangerous than ignorance." ~George Bernard Shaw~

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    • #3
      Originally posted by MinnesotaDave View Post
      What power is being fed to it at the shop?What is being fed to it at home?
      240 at both,at the shop we have single and 3 phase also though, here just straight single phase 240, I checked my voltage here and its comming out at 239 and all my other stuff works which has led me to believe its a 3 phase machine

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