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  1. #1
    Join Date
    Jan 2014
    Location
    Oregon
    Posts
    3

    Default Bobcat 250 with Miller Extreme 12vs suitcase

    I am using a Bobcat 250 and Miller 12vs suitcase with inner shield. I know I need to run DCEN CV and I can set the switch on the suitcase to CV. When I put the Bobcat into DC- mode, does it automatically run CV (to match the CV on the suitcase?). If not, can someone please tell me how to set the Bobcat on CV mode? Thank you. (Welding on carbon steel 3/8" structural staircase parts in the field).

  2. #2
    Join Date
    Aug 2008
    Location
    Orange, TX
    Posts
    1,191

    Default

    I'm willing to say you're not right on your machine set up and it would depend on which generation Bobcat 250 you have as to the exact arrangement you're looking for. However, the DC- and DC+ mode settings are for stick/TIG (CC).

    Got a unit SN?
    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

  3. #3
    Join Date
    Jun 2012
    Location
    Tracy, CA
    Posts
    218

    Default

    Do you have the 12VS connected to the negative terminal (Ground) of the Bobcat? Your work clamp will come off the positive terminal. That's the way I use it on my Trailblazer.
    Trailblazer® 302 Air Pak™
    Miller Dynasty® 350
    Millermatic 350P Aluminum
    Millermatic® 252
    Syncrowave 351

    SuitCase® X-TREME™ 12VS

    Multimatic™ 200
    Millermatic® 211 Auto-Set™ w/MVP™
    XR-Aluma Pro Gun
    Diversion™ 180

    Spectrum® 625 X-TREME™

    Thermal Dynamics® Cutmaster® 52
    Victor Oxy/Acetylene Set

  4. #4
    Join Date
    Oct 2008
    Location
    taxachussetts
    Posts
    416

    Default

    I had a problem running my suitcase with my TB325 after running it on my TB302 the day before. called miller and got some unbelievable good info from the guys at miller. so if you have a new 250 the way your leads are coiled may be your problem.
    TB 325
    TB 302
    dynasty 200sd
    spoolmatic 30a/wc24
    suitcase x-treme 12vs
    miller 211
    evolution rage 2

  5. #5
    Join Date
    Jun 2011
    Location
    New Zealand
    Posts
    34

    Default What I do...

    I use a 12vs on a Bobcat225 with Esab coreshield 11 near daily. I have the bobcat set on V (not sure if the 250 has this). The +terminal is connected to the suitcase and the negative to the vs lead and ground. I find it a treat to weld with, hope this helps.

    If you don't have a volt option maybe yours is not a CCCV unit? Might need to consult the manual.

    Nick
    Last edited by Nick Walkley; 01-27-2014 at 01:15 AM. Reason: Error

  6. #6
    Join Date
    Sep 2013
    Posts
    17

    Default

    On mine I set it to Wire + or Wire -, this is the CV setting. Pos cable to wire feeder, neg cable to ground and VS cable to ground clamp.

  7. #7
    Join Date
    Oct 2008
    Location
    taxachussetts
    Posts
    416

    Default

    you want the electrode negative. so - to suitcase + to work piece. it will wweld the other way but not smooth.
    TB 325
    TB 302
    dynasty 200sd
    spoolmatic 30a/wc24
    suitcase x-treme 12vs
    miller 211
    evolution rage 2

  8. #8
    Join Date
    Feb 2007
    Location
    asheville n.c.
    Posts
    618

    Default

    dial has to be in blue shaded wire - and ground clamp on positive. all your connections must be clean including where you put your ground. take grinder and clean that spot. if you dont, the larger wires such as .068, .072 will not produce a good weld. dont ask how i know this

  9. #9
    Join Date
    Sep 2013
    Posts
    17

    Default 8VS hookup to Bobcat

    OK, I confussed. Ive been running solid wire on my suitcase 8VS with the following hookup---Course adjust V17-28, Weld process Wire +, Work clamp to work, electrode lead to suitcase. Is this right? someone above has it the other way??

  10. #10
    Join Date
    Oct 2004
    Location
    Edmonton, Alberta
    Posts
    7,619

    Default

    Quote Originally Posted by Glidertow View Post
    OK, I confussed. Ive been running solid wire on my suitcase 8VS with the following hookup---Course adjust V17-28, Weld process Wire +, Work clamp to work, electrode lead to suitcase. Is this right? someone above has it the other way??
    And sense lead from 8Vs to work

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