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  • New MM 252 spray??

    I bought a MM252 last week. I love the machine thus far. Currently I'm spray arcing with it. Tonight I discovered the manual section describing the ability to adjust the pre arc wfs. The machine sprays great but upon arc start I constantly get poping and spatter for a second. My question is should I attempt to adjust the pre arc wfs? Or is there another fix?? Oh Yeah......030 e70s2,,,98/2,,,26.5v,,,477wfs...
    Thanks
    Wes
    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

  • #2
    Yes, you can adjust the run-in speed down (slower) to make the starts smoother. Holding the torch too close to the work at the start can cause poppy starts too.
    Millermatic350P/Python, MillermaticReach/Q300
    Millermatic175
    MillermaticPassport/Q300
    HTP MIG200
    PowCon 300SM, MK Cobramatic
    ThermalArc 185ACDC, Dynaflux Tig'r, CK-20
    DialarcHF, Radiator-1
    Hypertherm PowerMax 380
    Purox oxy/ace
    Jackson EQC
    -F350 CrewCab 4x4
    -LoadNGo utility bed
    -Bobcat 250NT
    -PassportPlus/Q300
    -XMT304/Optima/Spoolmatic15A
    -Suitcase8RC/Q400
    -Suitcase12RC/Q300
    -Smith oxy/propane
    -Jackson EQC

    Comment


    • #3
      My 252 is set at 80% for run in and works great
      Frank
      Millermatic 252
      Millermatic 180
      Dynasty 200DX
      Hobart spoolmate 3035
      Digital Elite

      Comment


      • #4
        Originally posted by Frank Motoweld View Post
        My 252 is set at 80% for run in and works great
        Frank
        Is your machine set up for short arc...or spray arc?
        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

        Comment


        • #5
          Originally posted by Desertrider33 View Post
          Yes, you can adjust the run-in speed down (slower) to make the starts smoother. Holding the torch too close to the work at the start can cause poppy starts too.
          Thanks for the info.
          Today I discovered another potential cause. I noticed that when the machine sets ideal for a bit, the volume flow guage on the regulator creeps up from 25 cf, where I have it set, to max pressure reading. I think this means the regular is not holding a static flow rate.
          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

          Comment


          • #6
            Yeah something's up with your reg if it's doing that.
            Millermatic350P/Python, MillermaticReach/Q300
            Millermatic175
            MillermaticPassport/Q300
            HTP MIG200
            PowCon 300SM, MK Cobramatic
            ThermalArc 185ACDC, Dynaflux Tig'r, CK-20
            DialarcHF, Radiator-1
            Hypertherm PowerMax 380
            Purox oxy/ace
            Jackson EQC
            -F350 CrewCab 4x4
            -LoadNGo utility bed
            -Bobcat 250NT
            -PassportPlus/Q300
            -XMT304/Optima/Spoolmatic15A
            -Suitcase8RC/Q400
            -Suitcase12RC/Q300
            -Smith oxy/propane
            -Jackson EQC

            Comment


            • #7
              Contacted rep....He replaced the reg with an upgrade. No Worries!
              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

              Comment

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