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Vintage Hobart Welder Info

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  • Vintage Hobart Welder Info

    got my grandpa's old welder off his farm this weekend. trying to find a wiring diagram for it. any info would be greatly appreciated. a plate on it reads:

    generator:
    model- g-261
    amps-250 volts-40
    specs.-4105a duty cycle- 60%
    var.-8 serial- 12cw-3406

    engine:
    h.p.- rpm-1800
    make- willys BSBI
    aux gen volts- 110 1kw

    aw 1954
    Attached Files
    Matt

    Syncrowave 200
    Thermal Dynamics Cutmaster 52
    Victor O/A
    Smithy Midas 1220 Lathe- Mill
    Bandsaw- 20 yr old Harbor Freight type
    Speedglas

  • #2
    Hammer man....You so desperatly need to join the HOBART forum
    There is a separate section on old engine drives just for guys like you.
    They love those old welders and would probably feel the same about you too!!

    here ya go! www.hobartwelders.com/weldtalk/

    www.facebook.com/outbackaluminumwelding
    Miller Dynasty 700...OH YEA BABY!!
    MM 350P...PULSE SPRAYIN' MONSTER
    Miller Dynasty 280 with AC independent expansion card
    Miller Dynasty 200 DX "Blue Lightning"

    Miller Bobcat 225 NT (what I began my present Biz with!)
    Miller 30-A Spoolgun
    Miller WC-115-A
    Miller Spectrum 300
    Miller 225 Thunderbolt (my first machine bought new 1980)
    Miller Digital Elite Titanium 9400

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    • #3
      "Old Hobie"

      hammer: Have you tried to start the engine? That's an old "L" head (flat head) 134, probably with a mechanical distributor, oil bath air cleaner, and no oil filter. May also be a 6V system too.

      Parts for the engine are readily available at JC Whitney's or other 4WD Jeep shops. Looks like a pretty basic unit, with + and - terminals on the front.

      Not sure what a wiring diagram could do for you, unless you wanted to rebuild the welding generator, but see if it will start, and keep us posted.

      That is a novelty!

      Is that a plastic gas can mounted on top? May want to change that to a steel one

      Dave
      "Bonne journe'e mes amis"

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      • #4
        This should help, if you save it to your PC you can zoom in better.
        Attached Files
        Caleb
        Product Manager
        Miller Electric MFG CO

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        • #5
          Originally posted by getabiggerhammer View Post
          got my grandpa's old welder off his farm this weekend. trying to find a wiring diagram for it. any info would be greatly appreciated. a plate on it reads:

          generator:
          model- g-261
          amps-250 volts-40
          specs.-4105a duty cycle- 60%
          var.-8 serial- 12cw-3406

          engine:
          h.p.- rpm-1800
          make- willys BSBI
          aux gen volts- 110 1kw

          aw 1954
          I have just aquired an old welder idential to yours, only serial #12CW-41518. I want to rebuild it into a welding unit. Any suggestions of where to get parts? Any help would be appreciated.

          Comment


          • #6
            Vintage Hobart Owners manuals

            I picked up an old Hobart Generator/welder at an auction that looks very similar to yours, but mine is powered by a 2 cylinder Wisconsin. It had no paperwork and I didnt even know what year the machine was. I went to this link https://www.hobartwelders.com/owners...oldmanuals.php

            And the gal was able to find the original owners manual for me in the Hobart archives. It says that the cost is $15.00 for this service, but if you ask for the PDF file they will send you it for FREE. =) The owners manual included the wiring diagram as well as the manual for the engine.

            I couldnt belive they still had my machine on file somewhere. I asked the gal at Hobart if she could tell me what year my machine was, and she was able to give me the exact date my machine was made! (Feb. 13th 1970)
            I printed all the pages out from my PDF file and now have a copy of the Original owners manual.

            In 1996 Illinois Tool Works aka Miller purchased Hobart, but the government would not let them purchase machines rated at 250 amps or greater, So if its rated less than 250 amps its a Miller welder now! lol

            hope this works for your machine too-
            Danny
            Last edited by Conscious Puddle; 10-27-2010, 09:43 PM.
            Millermatic 251
            Miller RFCS-14 HD Foot control *wireless* (homemade)
            Hobart G-213 200 amp DC/welder A/C generator
            Thermal Arc 95s TIG/Stick
            Lincoln Idealarc 250 R-3S-250
            Lincoln LN-7 Wirefeeder
            P-Tron P75 75 Amp Plasma cutter
            Victor cutting torch

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            • #7
              Thanks for the tip Danny, it should help a lot.

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