Did the filter upgrade on the big 40.
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  1. #1
    Join Date
    Mar 2018
    Posts
    312

    Did the filter upgrade on the big 40.

    I really like this machine and the factory filter has been leaking so I did the upgrade. Since the coil moved I made a set of plug wires to.
    Turned out nice and cables made it run smoother.

    Been playing with plug gap on the cylinder that's burning oil. She smokes alittle ok alot

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    Just thought I'd share. Him haued around the oil filter setup and finally did it and glad I did.
    Attached Images Attached Images  
    Last edited by evan; 05-19-2019 at 02:32 PM.

  2. #2
    Join Date
    Mar 2018
    Posts
    312

    Re: Did the filter upgrade on the big 40.

    Fine reahstat burned at 65%
    Kinda sux
    Anyone know of a cheap replacement
    30ohm 300volt

  3. #3
    Join Date
    Jul 2012
    Posts
    640

    Re: Did the filter upgrade on the big 40.

    Looking on miller website part# 605960 300 watt 34 ohm , priced online 200-300 $. Use your serial # to find correct one.

    https://www.miller4less.com/advanced...x=7&search.y=7

  4. #4
    Join Date
    Mar 2018
    Posts
    312

    Re: Did the filter upgrade on the big 40.

    Thanks for the tip. My machine is to old for serial number to pull up.
    On the phone with miller we figured out rough guesstimate of age and Ive down loaded those manuals.
    Like you I found it in 200-300 range. It's still welding so that's where my research stopped. I want to find a cheaper alternative.
    I know of a miller bone yard. Gota fi d time to there, and dig

  5. #5
    Join Date
    Jul 2012
    Posts
    640

    Re: Did the filter upgrade on the big 40.


  6. #6
    Join Date
    Mar 2018
    Posts
    312

    Re: Did the filter upgrade on the big 40.

    Your awesome thank you. I have been using it as is. I'll get one orderd. So glad I didnt already pay over 200.

    Welding above 65 has made me get out of my comfort zone. I'm actually running better welde now. Just on hot side sometimes fighting under cut

    Thanks again

  7. #7
    Join Date
    Mar 2018
    Posts
    312

    Re: Did the filter upgrade on the big 40.

    Big 40 burned this track bar.

    Fine adjust is orderd
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    Normally I'd do these with my wirefeed but it decided to quit. Parts on the way for it to.
    Just thought I'd share
    Last edited by evan; 06-17-2019 at 01:04 AM.

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