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  • Miller Legend

    Last night I bought a 1994 Miller Legend welder with an Onan engine. It only has 4.7 hours on it and everything works fine except it won't charge the battery. It's pretty much off the show room floor of 94. Never had welding leads hooked to it until today. I was wondering if someone could help me out with the charging issue and maybe tell me what it's worth? I gave $1700 for it.
    http://s86.photobucket.com/user/12tranes/library/
    Last edited by 12tranes; 11-29-2016, 08:14 PM.

  • #2
    Welcome! Unbelievable to find something that old in new condition. Not sure on the price; but where else would you get a new engine driven welder for 1700? Hope someone with direct experience on this machine replies. I think the battery is charged directly from an alternator that is built into the engine, not the welder generator. If I'm correct, there may be an in-line fuse holder between the engine and the battery. Take a look around for it while waiting for someone who has more experience to join in.

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    • #3
      Thank you. I read something about it possibly being a voltage regulator but I'm not sure how to test it.

      Comment


      • #4
        Sounds right. I think the alternator and regulator come from the engine manufacturer, not Miller. I'm sure There are guys here who can answer this: just need for them to see your post.

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        • #5
          Could you pls post the welder serial number

          and engine model number....

          I believe that it has a monolithic voltage regulator...potted in an aluminum casting... but will have to check

          Usually they get popped by getting jump started

          They look like this

          Click image for larger version

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          .

          *******************************************
          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


          • #6
            Here is the welder serial number. I'll get the numbers off the engine when I get home tonight.

            Comment


            • #7
              I think your engine should be an ONAN P218

              Here is the manual

              http://www.wheelhorseforum.com/files...m-492-4006pdf/

              Look at page #28 of the PDF..............for your charging info.....

              You welder serial number did not return a valid Welder Owners Manual

              but this one should be close

              https://www.millerwelds.com/files/ow.../O428D_MIL.pdf

              Last edited by H80N; 12-01-2016, 01:46 PM.
              .

              *******************************************
              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


              • #8
                You do NOT want to jump start those engines...... it will pop the zener in the regulator assy.....

                Isn't repairable.... hard potted...You Must replace the whole thing... A $40 problem
                Last edited by H80N; 12-01-2016, 08:52 PM.
                .

                *******************************************
                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


                • #9
                  I came up with this manual for the unit.
                  https://www.millerwelds.com/files/ow.../O428K_MIL.pdf

                  Great find!
                  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
                  http://www.millerwelds.com/images/sm...rolleyes.png?2

                  Comment


                  • #10
                    Thank you guys for all your help! I appreciate it

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