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252 gas flow solenoid problems

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  • 252 gas flow solenoid problems

    MM252 seems to be overheating causing a delay in opening the gas solenoid. removed cover and setup cooling fan but not much help. Went through this problem last summer when shop temps near 100 degrees. After continuous running, solenoid wont click for a few seconds when trigger is pressed. We have adjusted the preflow in attempt to compensate, but still not satisfactory. Any ideas?

  • #2
    You can reset your pre flow that may be the problem...Bob
    Bob Wright

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    • #3
      Pull the "skin/covers off" and use compressed air to blow the dust and grim out of the interior of the machine. Make sure you blow off the control boards. Doing this will probably fix all your issues.
      Miller TrailBlazer 251NT
      Miller HF-250-1
      Miller Maxstar 150slt
      Miller ft peddles and thumb wheels
      Miller MM 212
      Lincoln power mig180c (two of)
      MM 252
      Miller Elite Dig
      Miller Pro-Hobby

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