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  1. #1
    Join Date
    Aug 2007
    Posts
    724

    Default Miller Matic 252 Slipping

    I have a MM 252 with a 15 foot fairly new Bernard 300 gun. The wire seems to be slipping when it encounters resistance. I checked tension and for a moment tightened it all the way up with a little more success, but I do realize that is not the solution. In addition I removed the drive wheels and removed the gun then reinstalled them. Do you have any other suggestions.
    Thanks,
    Nick

  2. #2
    Join Date
    Jun 2013
    Location
    PacNorthWest
    Posts
    61

    Default

    I'm too new at this to be a lotta help (got my used 252 about a month ago) but the 252 can take a LOT of different rolls, etc - do you have the right combo for your wire? Steve

  3. #3
    Join Date
    Sep 2005
    Location
    Salem ,Ohio
    Posts
    3,902

    Cool

    What size/kind of wire? I run a MM252 all day everyday with .045 gas flux core and i had problems almost everyday. Then i got to swapping a knurled roller for a smooth one and the problem went away. You can switch rollers to suit even though they are stamped for a specific size and wire type. Read it somewhere in a Miller manual...Bob
    Bob Wright, Grandson of Tee Nee Boat Trailer Founder
    Metal Master Fab Salem, Oh 44460
    Birthplace of the Silver & Deming Drill
    1999 MM185 w/185 Spoolgun,1986 Thunderbolt AC/DC
    Spool Gun conversion. How To Do It. Below.
    http://www.millerwelds.com/resources...php?albumid=48

  4. #4
    Join Date
    Nov 2011
    Posts
    154

    Default Miller Matic 252 Slipping

    Try 6-4 aligning drive rolls if you DO have the right combo

    http://www.millerwelds.com/om/o230693j_mil.pdf

  5. #5
    Join Date
    Aug 2008
    Location
    Orange, TX
    Posts
    1,204

    Default

    Even though it may be a fairly new gun, it could have a kinked liner. I've seen brand new guns that got kinked right off the bat. Easy enough to pull and check out if you determine it's not a drive roll issue.
    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

  6. #6
    Join Date
    Aug 2007
    Posts
    724

    Default

    Quote Originally Posted by BukitCase View Post
    I'm too new at this to be a lotta help (got my used 252 about a month ago) but the 252 can take a LOT of different rolls, etc - do you have the right combo for your wire? Steve
    Yes they are the correct size.
    Nick

  7. #7
    Join Date
    Aug 2007
    Posts
    724

    Default

    Quote Originally Posted by aametalmaster View Post
    What size/kind of wire? I run a MM252 all day everyday with .045 gas flux core and i had problems almost everyday. Then i got to swapping a knurled roller for a smooth one and the problem went away. You can switch rollers to suit even though they are stamped for a specific size and wire type. Read it somewhere in a Miller manual...Bob
    Hey Bob,
    I am running .035 solid wire with the .035 roller. I pulled them off and reinstalled them. I will check the manual.
    Thanks,
    Nick

  8. #8
    Join Date
    Aug 2007
    Posts
    724

    Default

    Quote Originally Posted by ericher69 View Post
    Try 6-4 aligning drive rolls if you DO have the right combo

    http://www.millerwelds.com/om/o230693j_mil.pdf
    I will give it a shot in the AM.
    Thanks,
    Nick


    Duane,
    I will check the liner.
    Thanks

  9. #9
    Join Date
    Mar 2012
    Location
    Brookshire, Texas
    Posts
    21

    Default

    Try loosening the tension on the spool itself, if it's too tight then that could cause your problem

  10. #10
    Join Date
    Oct 2009
    Location
    Reno, NV
    Posts
    298

    Default

    Quote Originally Posted by S.A.W View Post
    Try loosening the tension on the spool itself, if it's too tight then that could cause your problem
    Very true....remember, after getting the wire feed to be reliable the only thing that is truly important is that the reel not "over run" when the drive rolls stop pulling the wire, so set the friction (tension) on the reel as loose as you can without getting over run and birds nests!
    Don J
    Reno, NV

    Never pick a fight with an old guy. Old guys are too smart to fight and get hurt. They'll just kill you and get it over with.

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