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airpak x

  • Airpak 304 Engine misfiring, needs new coils........suggestions???

    I have an Airpak 304 on my service truck. I bought it back in September of 2019. The past year its been spitting and backfiring while sitting at idle. Seemed to run fine at full tilt. I did notice that it wasn't running the 1/4" gouging rods like my 302 would or the 400 amp machine. I think I figured...
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  • mwm13
    started a topic Air Cooled engine oil

    Air Cooled engine oil

    I’m curious what everyone’s running for oil in their air cooled welders? I’ve got a 302 Airpak with the 30HP Kohler and I’ve been using Amsoil 10W-30 small engine Synthetic. It seems like good stuff I’ve been told it’s great for these small engines that bang away 10+ hours daily but sometimes...
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    Last edited by mwm13; 02-10-2020, 10:26 PM.

  • Weird Miller Air Pak welding machine problem!

    I recently purchased a 1988 Miller Air Pak 400amp welder from a government surplus auction and it has me stumped. The unit has the Deutz FL4912 diesel motor, which runs perfect. The problem comes from the generator side of the unit. When I fire it up, the unit produces 110v power but not 240v. Also,...
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