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Welder questions

I guess there are some pro welders here. I have taken possesion of a Miller Model 250 AC/DC single phase 220/440 machine. Unknown age, serial # S415860. It's not a dialamatic, here's a shot

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's a big dog, 23 in high x 19 wide x 41 longAny idea what is a fair offer to the owner?Is this machine suitable for attachment of a TIG high-freq device?What could that cost?Thanks

Reply to
Paul Calman
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Post this over on sci.engr.joining.welding where the real experts hang out!

If you have the rest of the model number, you can get the instruction manual on-line at

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This is a nice commercial quality unit, '60s IIRC. Check to make sure the DC diodes are still intact. Easist way is to fire it on both AC and DC and see if the power output is similar. Other than the diodes, pretty much bulletproof.

Reasonable price would be a low few hundred dollars. I don't see any cables or helmet with it. #2 copper cables, stinger, ground clamp, and helmet will run $100 or so.

I would not add the TIG to it, just too many additional goodies to add and you still won't have the foot pedal amperage control.

If it works, it is a nice unit for stick weld> I guess there are some pro welders here.

Reply to
Roy J

Thanks, Roy

Reply to
Paul Calman

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