The best upgrade to do first is upgrading the pitiful ground clamp that comes on these, same for any modern welder, I got one from Harbor Freight for $90, and a Lincoln for $369, both had the same pitiful ground clamp. I'll attach a picture/link to a sufficient clamp- it made a huge difference with mine! Tips and the Wire You Use can make a big difference too! Larger Wire is Helpful Too- I'm talking about larger gauge wire that runs to attaches to your ground clamp, try the clamp first and see if it helps, be sure your settings are right and you're plugged directly in to a good power source, no extension cords! https://www.ebay.com/itm/300Amp-Earth-Ground-Clamp-Welding-Manual-Welder-for-Professional-Use-175mm/132064190663?hash=item1ebfa3a0c7:g:yFoAAOSw259cTqxO
SOURCE: My Lincoln 135 mig welder suddenly doesn't have enough arc
check the diodes that there not short or open circuit you will need a meter with diode test..
SOURCE: Lincoln Weld Pak 100 arc welder troubleshooting
There can be a switch that makes the wire electrically "dead" so it can be fed through the liner. Also suitcase style welders have a sensor wire with a clamp that must be connected for the arc to be able to be struck.
SOURCE: I just got my first Lincoln Arc AC 225,my question
You would have to run a 3 wire cable size 8 awg minimum to handle 50 amps at 75 feet.
SOURCE: my lincoln ranger 250 no weld output
sounds like the transformer winddings which generate the amperage for the arc are breaking down
SOURCE: lincoln electric ac/dc arc welder model ac/dc
my welder doesn't weld but my electric meeter goes wild.
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Thank you I will upgrade the found but my welder is gas engine powered any other things I can do
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