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  • #16
    searching for a needle in a haystack

    yep you guys are probably correct on all counts; however, I see a lot
    of opinions and not much else...
    1. this unit is not mine. I told the owner to buy a new unit... nope don't
    wanna do that... so...
    2. I enjoy this type of work - learning as I progress.
    3. I am doing this out of the kindness of my heart.
    4. I have done repair work similar in nature to this for
    about the last 25-30 years so I feel confident that I am
    up to the task.
    You are correct that it will take a while, (been at it for
    about 2 months - mostly some time on weekends and spare
    moments between workdays ) simply for the reason that
    I have to reverse engineer the thing so that I can figure
    out what the people whom designed it in the first place
    were trying to accomplish. Once I get to that point
    then I am capable of doing mock up test circuits to
    validate the operation of the various circuit boards.
    So it really would expedite things if I could get my
    hands on the full schematic.... barring that I shall
    proceed....
    .... why do I have the feeling that jonesiera is
    no longer posting .....
    com'on jonesiera where are you?

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    • #17
      If you decide you need some assistance these guys might be able to work on it.

      http://www.innovatcorp.com/

      Comment


      • #18
        Lincoln Pro-Cut 25 Single Sheet Schematic

        Well, I finished the single sheet schematic but I guess I wont be
        uploading the 1.4Mb pdf schematic for your enjoyment because of
        the miserly 100K forum file size limit

        ....oh well.

        Comment


        • #19
          Some opinions are accurate. My electronics guy looked at onje and said,,, sheet.
          http://www.facebook.com/cary.urka.urkafarms

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          • #20
            Originally posted by Sberry View Post
            Some opinions are accurate. My electronics guy looked at onje and said,,, sheet.
            Guess he didn't get it fixed, eh?
            Last edited by mk77; 12-25-2011, 07:03 AM.

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            • #21
              I bought a new unit. We think it is in the tip safety circuit and had a schematic at one time but my guy was gone and we needed to enlarge it to make it readable. I might fool with it again this winter and work our way around the problem. One of the reasons I had got that particular machine was it looked like it was off the shelf mechanical parts to some extent but the boards had logic on them anyway, this was when the inverter types were coming which had everyone scared anyway. So much for that philosophy.
              http://www.facebook.com/cary.urka.urkafarms

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              • #22
                My Bud is pretty good at this too, not a hobby type, one of the best hands on mechanics I have ever met in the sense he can usually put his finger on the problem. If it would have been something we could do it would have been done.
                http://www.facebook.com/cary.urka.urkafarms

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                • #23
                  Originally posted by Sberry View Post
                  I bought a new unit. We think it is in the tip safety circuit and had a schematic at one time but my guy was gone and we needed to enlarge it to make it readable. I might fool with it again this winter and work our way around the problem. One of the reasons I had got that particular machine was it looked like it was off the shelf mechanical parts to some extent but the boards had logic on them anyway, this was when the inverter types were coming which had everyone scared anyway. So much for that philosophy.
                  I am in Michigan also - please pm me.

                  Comment


                  • #24
                    Originally posted by Sberry View Post
                    .... I might fool with it again this winter and work our way around the problem....
                    .
                    I strongly recommend against bypassing or defeating the safety circuit, or any
                    other circuit for that matter.
                    It DOES work and is there for your protection as well as the units'. If the unit
                    wont work because of a "safety" fault chances are good that it does have bona-fide
                    fault which the safety circuit is picking up...it needs to be investigated and
                    corrected before the unit will perform.

                    Comment


                    • #25
                      Pro Cut 25 Schematic

                      ok... I found a site that has the capability to hold the
                      large file size of the schematic I generated.

                      If you are so inclined, proceed to:

                      http://welderzone.com

                      go to FORUMS/WELDING MACHINES/LINCOLN

                      and look for the thread "Pro Cut 25" ((shouldn't be too hard to find
                      only 4 threads there)) schem is attached to the second post....

                      regards.

                      Comment


                      • #26
                        Schematic now online in PDF format

                        Hi, I have posted the full version of the Lincoln Pro Cut 25
                        schematic at the Welderzone . com forums for you viewing pleasure.
                        If you would like to view it go to Welderzone . Forums . Welding Machines . Lincoln . Pro-Cut 25

                        enjoy.

                        mk77

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                        • #27
                          ......

                          see the Pro Cut 25 thread under the lincoln forum at welder zone
                          for the single sheet diagram....

                          cheers.
                          Last edited by mk77; 01-12-2012, 10:21 PM.

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                          • #28
                            Originally posted by SidecarFlip View Post
                            Flying to Italy is one thing. Carrying on an intellegent conversation with the locals (once you get there, is an entirely different matter).
                            ...but the Food!...and the Women!!!...and the cars!!!
                            "Good Enough Never Is"

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