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    Old UNO MIG Follow-up

    Thanks for the reply. I did switch the wires and it does weld...but the wire feed no longer works. I assume that since the torch is now connected to the ground, there is no hot wire for the wire feed motor. I need to find a way to get a hot line to the switch.. Do you have any ideas? I...
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    Old UNO MIG Follow-up

    Here are the photos of the 1986 UNO MIG. it was made in 1986 and was made in Italy and has the Chicago Tool name on it. It is 120 volt and I would guess it is 80-90 amp output although it doesn't give any type of rating on the unit.. (It is very similar in externally to the new 90 Amp units...
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    Old Harbor Freight UNO MIG Welder

    Here are a couple more photos thanks inadvance for any info you can give me. I am as grren of a novice as there can possibly be....I did try it agian last night...mind you without Argon and with wire that needs Argon..but it did work...lots of heat did melt the wire...splattery and messy...
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    Old Harbor Freight UNO MIG Welder

    Here are the photos I took last I hope you can open them I can see where the ground clamp attaches to a wire from the smaller transmformer and where the gun wire attaches to the rectifier... guess I could try switching that up and see what happens with it. Spit night
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    Old Harbor Freight UNO MIG Welder

    I found a Chicago Tool welder on the side of the road. I have never owned and often wanted to get a welder. It appears to work but it did not have a Argon tank/regulator with it when I picked it up. There is a white paper tag on the bottom if it which is quite faded and may have a date of...
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