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just bought a new mm252, having gun issues

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  • kevin
    started a topic just bought a new mm252, having gun issues

    just bought a new mm252, having gun issues

    just above the nozzle sits a plastic ring that covers the upper end of the nozzle, crank up the welder and it melts, miller is aware of this, their responce, yep it does melt when the machine is pushed, pushed they say, i say used as designed, any one else seen this happen

  • kevin
    replied
    right on texas, it just dosent make sence to put that gun with the 252, the first job i did with mine was in spray mode. i quess things are tough every where, even the big boys are sharpening their pencils.

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  • Texas113
    replied
    When our shop had to replace two mig units due to theft we stayed with the 252s. Originally we had a 251 and a 252 on hand. When the two new units arrived from our LWS both were equipped with Bernard Q guns. There is no way the factory guns would hold up at all to the sessions of high heat and volume we put them through. If you are going to run the machine at higher settings for long periods of time just get a quality gun and burn away. Now I want to set one up to run aluminum and see how it does.

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  • kevin
    replied
    i need to type fast, my computer times out on this forum, dont know why. i have been buying miller since 1986, over 10 welders, any issues that i had were always fixed with a phone call, then a hand shake. their service is the best in the industry.

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  • kevin
    replied
    gotta tell ya, Miller is the best of the best in welding equipment, their equipment is top shelf and their service is equal, I explained to my rep the down falls of the gun that is supplied with the welder, i compared it to driving a rolls royce using a pinto steering wheel. my local rep talked to miller, explained my case, they swapped out a bernard q gun. they stand behind their people, service is huge,

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  • Manisoba
    replied
    just bought a new mm252, having gun issues

    When I had my 252 I changed the gun out to a q300 also. They can be had new off of eBay for less than $100 if you watch the auctions.

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  • Railmen
    replied
    252

    I bought one of those for the union hall for tacking coupons up, I just hate the stock gun, I bought a tergaskiss 300amp gun and the machine is a whole new monster.

    I just hatted this welder before, spatter would not feed very well....

    Changed the gun and bam that machine is great nice and smooth....

    Just my $.02

    Railmen

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  • kiwi
    replied
    I switched to a Bernard Q gun and in my opinion it is a much better unit. I saved my M-25 for a backup gun. A good welder such as the 252 deserves an equally capable gun.
    Nick

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  • ParkerFly
    replied
    I had similar issues with mine, but also after a few years my gun seemed to just be falling apart. I needed a new liner for my cord so ended up just getting a whole new setup off e-bay: http://www.ebay.com/itm/HTP-Miller-1...item2ecb7f941c
    That gun itself is made much better and solved all my issues. It uses all the same consumables as the factory m-25 gun. I haven't melted the shock collar yet but since it's the same I probably will, just haven't welded hot enough with it yet.

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  • aametalmaster
    replied
    Originally posted by kevin View Post
    bob, do you have any problems taking the gun apart to put the collar on, its a crazy set up, brass, copper, fine threads close to .75" long. my gun came apart real hard, i can see issues here down the road, is this a problem, taking it apart after a while. thanks. kevin
    Yes i do. The fine threads will strip off. I do use neverseeze too. I have stripped the necks on 2 guns and just dug thru the dumpster a few days ago and found a donor neck to swap out. Told the buyer to order me 2 spare necks as they are simple enough to replace...Bob

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  • Fishy Jim
    replied
    Talk to your dealer and see if they'll help you into a better gun.

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  • kevin
    replied
    bob i need to type fast,the forum times out after a few minutes when i reply??????????. wouldnt you think miller would do a better job with the gun, the welder is great, sprays real nice, except the gun melts??????????

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  • kevin
    replied
    bob, do you have any problems taking the gun apart to put the collar on, its a crazy set up, brass, copper, fine threads close to .75" long. my gun came apart real hard, i can see issues here down the road, is this a problem, taking it apart after a while. thanks. kevin

    Leave a comment:


  • cayager
    replied
    shock collar I believe its called. really just another consumable in my book. just like tips. buy a bag of them and get over it. I think there about a buck each.

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  • Great White TJ
    replied
    Thats some good info, I still have not pushed my unit, but I do not use it to make a living. As allways good info to have.

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