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Thread: Harbor Freight Uno Mig Welder

  1. #1
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    Dec 2010
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    Harbor Freight Uno Mig Welder

    I got this from my Dad. Its unused but I need a manual and/or specs. Tried www.manualsonline.com, but no luck. Ideas. HF says they sold it awhile ago, but has no parts or manuals. Its made in Italy.

  2. #2
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    May 2009
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    Wyoming US
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    Re: Harbor Freight Uno Mig Welder

    What is the welders model number ?

  3. #3
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    Dec 2010
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    Re: Harbor Freight Uno Mig Welder

    The label says 21761 4/87. My Dad certainly could have bought this welder that long ago. He was very good into stick welding and had never used the MIG welder.

  4. #4
    Join Date
    Feb 2011
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    Re: Harbor Freight Uno Mig Welder

    I've just sold my UNO MIG after 32-years of faithful use. Upgraded to TIG.

    About 20-years ago, I upgraded output with large capacitor after rectifier. That really smoothed out arc and gave nice smooth sizzle. Then 10-years ago, speed-controller board died. I replaced it with digital PWM controller. Much better control at lower speeds and more torque too.

    Anyway, here's manual I scanned for everyone's use. Covers: Easy MIG, MIG-I, MIG-II / UNO MIG, Dual MIG-120, CEMIG 140T, 160T and 170T
    https://drive.google.com/file/d/1gbT...ew?usp=sharing

  5. #5
    Join Date
    Mar 2018
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    Clovis California
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    Re: Harbor Freight Uno Mig Welder

    It looks like Great welder.
    The good news is most parts you can find on Amazon.

    Dave

    Quote Originally Posted by donald73d View Post
    I got this from my Dad. Its unused but I need a manual and/or specs. Tried www.manualsonline.com, but no luck. Ideas. HF says they sold it awhile ago, but has no parts or manuals. Its made in Italy.

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