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  1. #1
    Join Date
    Feb 2014
    Posts
    5

    Default dialarc hf welds irractic

    Hello, I just traded for a dialarc hf . The arc is real irractic and actc like cant get the heat up its a 300 amp machine and turned wide open will hardly burn a 5/32 7018 thanks for any help serial #JH236638 single phase

  2. #2
    Join Date
    Oct 2004
    Location
    Edmonton, Alberta
    Posts
    7,731

    Default

    Is your input power set correctly to the power you have?

  3. #3
    Join Date
    Feb 2014
    Posts
    5

    Default

    i think so it is 220 i also noticed rheostat was arcing while turning dial brush looked pretty worn where is cheapest place to get one and other elec parts also it welds better on ac but on dc not good

  4. #4

    Default

    First thing I would try would be to take the cover off and blow out the insides good with an air hose / nozzle. I've had this simple procedure fix an erratic welding machine more than once in the past.
    Will Argue for Beer (any issue, either side)

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