Cambell Hausfeld mig
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  1. #1

    Cambell Hausfeld mig

    I recently bought a little mig/flux105 with bottle and auto darkening shield for cheap.
    It's an older machine but looks pretty unused.
    The plan is to use it for little sheet metal projects at home.
    I'm pretty happy with the way it welds, other than the arc starting, which is iffy. Once I get a puddle it welds good.
    I've been reading about the HF 151 capacitor mod, and wondering if anyone has tried it with one of these little 110V machines?
    It's live wire, and I've also been thinking about adding a contactor to it, but that might be more trouble than it's worth.

  2. #2
    Join Date
    Nov 2009
    Location
    Beaverton, OR
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    16

    Re: Cambell Hausfeld mig

    I have the same machine and was searching for the answer to your question. So far, no luck in finding anything.

    Anyone?

  3. #3
    Join Date
    May 2009
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    Wyoming US
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    Re: Cambell Hausfeld mig

    If it can use gas it must be DC.
    Do you have a diagram from the manual ?

  4. #4
    Join Date
    Mar 2010
    Location
    Ceres, California
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    3,399

    Re: Cambell Hausfeld mig

    You can contact Cambell Hausfeld for tech support and diagrams and manuals.
    The biggest thing with small welders is to keep the welding wire small. never try wire larger that 0.030 hard wire. most can do 0'035 flux core if the cab reverse the weld voltage polarity.
    You can try slowing down your wire speed just a touch or if using co2 gas try 75/25.
    Checked out a 115 volt welder the other day that would not weld nice on co2. put it on 75/25 and it welded like a whole different machine and buzzed out a nice bead.

  5. #5
    Join Date
    Nov 2009
    Location
    Beaverton, OR
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    16

    Re: Cambell Hausfeld mig

    Quote Originally Posted by Bluewelders View Post
    If it can use gas it must be DC.
    Do you have a diagram from the manual ?
    This is the Wiring diagram for the CH MIG/FLUX 105, model # WG3000.

  6. #6
    Join Date
    May 2009
    Location
    Wyoming US
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    3,267

    Re: Cambell Hausfeld mig

    You would just hook a 47,000uf or so capacitor on the plus (+) and minus (-) sides of the output rectifier.
    The capacitor would have to have a voltage rating about 1.4 times higher than than OC voltage listed for the welder.
    Two 22,000uf capacitors wired in parallel would be fine,whatever is cheaper or easier.
    I used two capacitors on my 131 welder because of space issues.

    You should also hook a 1K resistor at 2 or more watts across the capacitor.
    The capacitor can hold a charge for a long time without it.
    Sometimes a capacitor will still have a charge after months of setting idle.

  7. #7
    Join Date
    Nov 2009
    Location
    Beaverton, OR
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    16

    Re: Cambell Hausfeld mig

    Hmmmm,

    What would you expect to pay for something like that?

  8. #8
    Join Date
    May 2009
    Location
    Wyoming US
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    Re: Cambell Hausfeld mig

    About $20-30 for the capacitor,a dollar or two for the resistor.
    Of course you might find what you need on Ebay.

  9. #9

    Re: Cambell Hausfeld mig

    Realizing this is an old thread, did anyone ever mod the CH mig 105 welder? I have the same welder and was wondering if it worked and what the results are. Also any pics.
    Thanks
    Barry Sims

  10. #10
    Join Date
    Feb 2019
    Location
    tenneessee
    Posts
    6

    Re: Cambell Hausfeld mig

    Quote Originally Posted by BSims66173 View Post
    Realizing this is an old thread, did anyone ever mod the CH mig 105 welder? I have the same welder and was wondering if it worked and what the results are. Also any pics.
    Thanks
    Barry Sims
    hi barry do you still have your CH mig/flux 105 welder,i have one and need some info

  11. #11
    Join Date
    Feb 2019
    Location
    tenneessee
    Posts
    6

    Re: Cambell Hausfeld mig

    does anyone understand the schematic ,i have looked it over and still dont know how to connect my new lead

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