Miller Vintage Issue

[H80N]

Its likely more of a capacitor bank issue. Probably a couple of the caps are shot, best to replace all the caps and off you go.

Cruizer

You might very well be right... I would like to know the answer regardless of what it is...

[cruizer]

Its likely more of a capacitor bank issue. Probably a couple of the caps are shot, best to replace all the caps and off you go.

[H80N]

Hey guys, I have an issue and I hope a few of you can chime in and help.

It seems that I can go out to my VINTAGE machine an then turn on
the shielding gas and pull the trigger and all seems well for the first
couple of minutes then it, the arc strength seems to peter out. The bacon sound disappears, the power of the arc drops and BLAH.

I get disgusted and walk away. A new multiprocess machine is out of reach
to a homeowner occasional user.

My ground is always attached as close as I can and as good as I can.

Is there a part I need to replace or is it operator error?
I am not a professional welder...

TIA!

Try cleaning or replacing your ground/work clamp...
preferably with a good quality bronze clamp like a Tweco or Lenco.. making sure all connections are shiny clean....and then see how it behaves..

Also you might check and see if your gun conductor conduit may have been damaged by pulling the machine around and giving you an intermittent connection..
easyest way to check is to borrow and try a known good gun..

[.Artisan.]

Hey guys, I have an issue and I hope a few of you can chime in and help.

It seems that I can go out to my VINTAGE machine an then turn on
the shielding gas and pull the trigger and all seems well for the first
couple of minutes then it, the arc strength seems to peter out. The bacon sound disappears, the power of the arc drops and BLAH.

I get disgusted and walk away. A new multiprocess machine is out of reach
to a homeowner occasional user.

My ground is always attached as close as I can and as good as I can.

Is there a part I need to replace or is it operator error?
I am not a professional welder...

TIA!