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Millermatic 35 wire overheating just prior to feed roller assembly

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  • Millermatic 35 wire overheating just prior to feed roller assembly

    More precisely just to left of figure 94 " conduit stub liner "

    Possibly unrelated slight sparking when ground clamp is attached to self grounded structure.

    When welder is turned off without ground clamp connected to structure residual potential exists. when clamp is discharged to grounded structure rapidly discharges with little apparent current.

    Have experience in electrical troubleshooting but no experience or even familiarity with welders.

    Any suggestions would be appreciated and I would not be unhappy if I am missing the obvious.

    Thanks

    Grounded

  • #2
    Your gun is damaged, ,ie, one of the ends that holds the condiut has pulled apart. The minor spark is merely the caps draining, nothing unusual....
    Last edited by cruizer; 08-13-2014, 11:36 AM.

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    • #3
      Recomedation and source for replacement gun ?

      Originally posted by cruizer View Post
      Your gun is damaged, ,ie, one of the ends that holds the condiut has pulled apart. The minor spark is merely the caps draining, nothing unusual....

      Thank you very much for the advice

      Could you recommend a replacement all components on gun and fitting on welder are labeled Tweco

      Thanks

      grounded

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      • #4
        Just take it apart and fix it....For that unit I would use a good nickel tywire to put the conduit back on, unless the inner gas tube has also pulled out, but its pretty self explanatory once you get it apart

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        • #5
          Originally posted by grounded View Post
          More precisely just to left of figure 94 " conduit stub liner "
          If the wire is burning off to the left of the conduit stub liner, pull your spool of wire and snip off the end of wire that's making contact with the inside wall of the welder cabinet.
          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

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