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1969 miller big 40

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  • 1969 miller big 40

    I bought an older big 40 to restore and have been looking for wiring schematics. I looked on the miller website but I guess it's to old to look up. Im specifically trying to see how the bridge rectifiers are wired up. I have all four brushes connected but the other terminals is where I get lost. Any help will be greatly appreciated.

  • #2
    Originally posted by Justinchearne View Post
    I bought an older big 40 to restore and have been looking for wiring schematics. I looked on the miller website but I guess it's to old to look up. Im specifically trying to see how the bridge rectifiers are wired up. I have all four brushes connected but the other terminals is where I get lost. Any help will be greatly appreciated.
    Could you PLS post your serial #

    Can't help ya without 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
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    • #3
      Yes sir. It's U502295
      I have checked all components and am very confident this welder will work. When I got it somebody had started the teardown and I got a bunch of parts in a box. I sure thank you for any help

      Comment


      • #4
        My guess i that the 1973 schematic is darned close if not identical to the 1969

        See page 15 Figure 11-1

        https://www.millerwelds.com/files/ow...om=140,-33,391

        if that does not work for you... give them a call and they may be able to email you the page or photocopy the manual for a fee

        1-800-4-A-MILLER (1-800-426-4553)
        .

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


        • #5
          I looked at the 1973 schematic and I saw that one only has 3 brushes on the rear of the rotor. Where as mine as two in the rear and two about midway. I've looked all over Internet and the only thing I can come up with is. Early 70's.

          Comment


          • #6
            I looked at the 1973 schematic and I saw that one only has 3 brushes on the rear of the rotor. Where as mine as two in the rear and two about midway. I've looked all over Internet and the only thing I can come up with is. Early 70's.

            Comment


            • #7
              Originally posted by H80N View Post

              if that does not work for you... give them a call and they may be able to email you the page or photocopy the manual for a fee

              1-800-4-A-MILLER (1-800-426-4553)
              Many times they will email the pertinent page for free as part of their customer support... they really go the extra mile...

              .

              *******************************************
              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
                Thank you I called the number you sent. They emailed me a complete manual and its welding now.

                Comment


                • #9
                  Originally posted by Justinchearne View Post
                  Thank you I called the number you sent. They emailed me a complete manual and its welding now.
                  Very Cool...!!!!.... glad to help.

                  how about some pics...??

                  are you going to paint it and clean it up..??

                  bet there are a lot of years left in 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


                  • #10
                    Pretty neat when a company supports a 46 year old piece of equip....

                    just one of the many reasons I buy and use blue

                    Just the best... Period...
                    .

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


                    • #11
                      Yes sir. I'll post some more pics when I get it all painted. I painted engine when I got it back from machine shop and put it together. Well seems I'm not smart enough to post the pics I have.

                      Comment


                      • #12
                        Originally posted by Justinchearne View Post
                        Yes sir. I'll post some more pics when I get it all painted. I painted engine when I got it back from machine shop and put it together. Well seems I'm not smart enough to post the pics I have.
                        They upgraded the system so some stuff is a bit odd... try this...

                        http://forum.millerwelds.com/forum/w...-to-the-forums
                        .

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


                        • #13
                          I guess this is the only one I can post for some reason. It says file size to big. Stands to reason I guess it is a Big 40. I'll take more of welder and try again

                          Comment


                          • #14
                            I'm not smart enough to post pictures either. It's cool you got an old wore machine and brought it back to life. That's my style brother.

                            Comment


                            • #15
                              Hey thanks man. Heck I had to get it welding so I can build a gas tank for it. My plastic can with a pipe nipple screwed in the bottom isn't really working out for a tank.

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