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Cruizer..Backfeeding line power to Bobcat 225G..

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  • Cruizer..Backfeeding line power to Bobcat 225G..

    Cruizer..

    here is a problem I saw posted on another site... think the guy did some major damage... what do you think..??

    ""Oops!!. Can Someone help me!!
    I have a Miller 225G welder/generator I have been using the generator lately to heat up a hot water tank which comes from the 220 on the generator to a 240v heating element just exactly like what is in your hot water heater! Being how I don't have a thermostat after about an hour when it is heated up plenty I shut the welder down unplug the cord and plug in another cord hooked to the same heating element into my 120v wall outlet to just maintain temperature!! So here is the oops!! The one time I forgot to unplug the 220v cord from the welder so it was charged from the 120v from the wall!! Now it barely turns over and builds what I would explain it as back pressure al
    almost like the Onan motor itself is turning backwards!!
    Please Help!!!! ""
    .

    *******************************************
    The more you know, The better you know, How little you know

    “The bitterness of poor quality remains long after the sweetness of low price is forgotten”

    Buy the best tools you can afford.. Learn to use them to the best of your ability.. and take care of them...

    My Blue Stuff:
    Dynasty 350DX Tigrunner
    Dynasty 200DX
    Millermatic 350P w/25ft Alumapro & 30A
    Millermatic 200

    TONS of Non-Blue Equip, plus CNC Mill, Lathes & a Plasmacam w/ PowerMax-1000

  • #2
    Well you stuck a neutral and ground into a live (hot) line. Think your power windings and half your rotor windings are cooked. Machine is cooked (unless its under warranty and don't tell anybody)...

    Comment


    • #3
      Originally posted by cruizer View Post
      Well you stuck a neutral and ground into a live (hot) line. Think your power windings and half your rotor windings are cooked. Machine is cooked (unless its under warranty and don't tell anybody)...
      Not me... but I figured he cooked it...
      .

      *******************************************
      The more you know, The better you know, How little you know

      “The bitterness of poor quality remains long after the sweetness of low price is forgotten”

      Buy the best tools you can afford.. Learn to use them to the best of your ability.. and take care of them...

      My Blue Stuff:
      Dynasty 350DX Tigrunner
      Dynasty 200DX
      Millermatic 350P w/25ft Alumapro & 30A
      Millermatic 200

      TONS of Non-Blue Equip, plus CNC Mill, Lathes & a Plasmacam w/ PowerMax-1000

      Comment


      • #4
        Oh, well you can tell him from me that its cooked...

        Comment


        • #5
          Classic thread.

          As the old saying goes,

          "A fool and his (welder repair money) are soon parted".

          Comment


          • #6
            I don't understand how he did that. Did he make up a double male plug cord or dead mans cord.

            Comment


            • #7
              Originally posted by H80N View Post
              "Now it barely turns over and builds what I would explain it as back pressure almost like the Onan motor itself is turning backwards!!
              Please Help!!!! ""
              I concur with cruiser that he fried the stator. Have seen the same symptoms described with generators that have fried and shorted stators. In fact have an exact example in the shop at the moment awaiting a replacement stator.

              I highly doubt the rotor is bad because it's inducing its magnetic field that is bucking the shorted stator windings hence the reason the engine "barely turns over". Again, seen the same exact symptoms with straight generators.
              MM200 w/spot controller and Spoolmatic 1
              Syncrowave 180 SD
              Bobcat 225G Plus LPG/NG w/14-pin*
              *Homemade Suitcase Wire Feeder
              *HF-251D-1
              *WC-1S & Spoolmatic 1
              PakMaster 100XL
              Marquette "Star Jet" 21-110

              Comment


              • #8
                It struck me as a strange but interesting problem...

                do not know if the poster will ever tell us the resolution...

                he seemed pretty embarassed at his lapse and the subsequent mayhem...
                .

                *******************************************
                The more you know, The better you know, How little you know

                “The bitterness of poor quality remains long after the sweetness of low price is forgotten”

                Buy the best tools you can afford.. Learn to use them to the best of your ability.. and take care of them...

                My Blue Stuff:
                Dynasty 350DX Tigrunner
                Dynasty 200DX
                Millermatic 350P w/25ft Alumapro & 30A
                Millermatic 200

                TONS of Non-Blue Equip, plus CNC Mill, Lathes & a Plasmacam w/ PowerMax-1000

                Comment

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