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Smith's AC Welder


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  #1  
Old 01-19-2015, 10:08:17 PM
Commadore Commadore is offline
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Default Smith's AC Welder

I have an old Smith's AC Welder model 20-18, serial number 20-2105. Just wondering if anyone knows anything about these welders and/or where I might be able to find more information about it and possibly an old book for it. Thanks
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Old 01-19-2015, 10:14:48 PM
con-rad con-rad is offline
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Default Re: Smith's AC Welder

I know nothing about that welder but i have to say it looks awesome! i love the art deco/spaceship style it has. very cool find. i bet it runs like a charm too!
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  #3  
Old 01-19-2015, 10:38:13 PM
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Nevr-Enuf-Stuf Nevr-Enuf-Stuf is offline
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Thumbs up Re: Smith's AC Welder

That is just too Cool! I gotta have one. Ive been a welder for about 25 years and have never seen one of these.

Patrick
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Old 01-20-2015, 10:41:48 PM
dkamp dkamp is offline
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Default Re: Smith's AC Welder

That's just DRIPPIN COOL... clean it up carefully, give it a careful polish and wax as-is, and put it in the parlor... see how many people mistake it for a wood-burning stove
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Old 10-13-2015, 09:24:23 PM
Flange Flange is offline
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Default Re: Smith's AC Welder

Some people are just blessed.That is a sweet looking unit. I own an Acetylene Oxygen set made by Smith I wonder if it is the same Company.
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Old 10-14-2015, 12:04:50 AM
GADavis GADavis is offline
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Default Re: Smith's AC Welder

I learned how to weld on one of these monsters that my dad had back in the 50's. It is an AC only machine and I think it had about a 40% duty cycle. You need to use mostly 6010 or 6011 class rods. A 6013 will burn,but sometimes will sputter and blow a hole in thin work. You can use the 7016 type rods, but does not do a good job with this machine. you change the heat range by moving the plug to a different hole. It is all copper wound and weighs probably 300# or better, but probably will still be usable when we are in the ground.
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Old 10-14-2015, 12:11:33 AM
Gene Williams Gene Williams is offline
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Default Re: Smith's AC Welder

I have one, still use it--they work really well. As was said just select the amps you want and put the probe there. I will see if I have a manual.
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Old 01-15-2016, 09:16:17 PM
Commadore Commadore is offline
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Default Re: Smith's AC Welder

That's so cool that others out there have seen and used this type of welder before. I have another question that maybe those that have used a welder like this before can hopefully answer. That cable that comes out of the bottom of the machine right below where you select your amperage, what is that for? Thanks
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Old 01-19-2016, 10:46:54 PM
Commadore Commadore is offline
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Default Re: Smith's AC Welder

No, it's not for the ground. there is already a spot to plug in the ground. I'm thinking maybe some sort of auxiliary line for something.....??? I don't really know. Could be an auxiliary ground lead of some sorts, just a random guess.....
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Old 01-19-2016, 11:20:34 PM
I like oldstuff I like oldstuff is offline
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Default Re: Smith's AC Welder

OMG.. You found R2D2's grandfather.

Definitely clean it up as it's quite the showpiece. And there is nothing finer than an antique that you can use.
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Old 01-20-2016, 10:40:10 AM
Pauls Welding Minnesota Pauls Welding Minnesota is offline
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Default Re: Smith's AC Welder

I started my welding business with the sister to that one.
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Old 02-09-2016, 06:43:55 PM
Gene Williams Gene Williams is offline
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Default Re: Smith's AC Welder

Robert, I cannot reply to you through your account for some reason, but I am unable to locate the manual for the Smith Welder.
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Old 02-04-2018, 07:40:06 PM
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Default Re: Smith's AC Welder

And 3 years later and I just picked this up today YeeHaw.

Patrick
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Old 02-05-2018, 12:57:49 AM
cobbadog cobbadog is offline
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Default Re: Smith's AC Welder

Just when you think you have seen it all, along comes it's twin.
Very nice find and hopefully it works or can be made to work for you.
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Old 02-08-2018, 08:09:49 PM
landreo landreo is offline
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Default Re: Smith's AC Welder

Another one, model 25-18 along with a 110 volt dynamic welder sitting in top.
I rarely use the A.O. Smith welder since it is an AC only machine. No fan, just a steel can with a transformer inside. The center lead is the amps tap selector. You would think it would go somehow to something special inside the machine but if you trace the center tap selector lead it just goes to the bottom "work" lead tap. Not sure why they do it that way since you can just plug the work lead into whatever amps tap you want, no need for the center lead "selector".
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Old 04-16-2018, 10:18:50 AM
Railguy Railguy is offline
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Default Re: Smith's AC Welder

New guy first post.
I just bought one of these "model 25-18" . I'm try find out information about it but can't find anything . It still works good. I new it was old but I'm think it's a lot older then I had originally thought. Only paid $100 the seller threw in probably 100 rods and a 30 ft. Extension cord that's as big around as a quarter.
Thanks railguy
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Old 01-17-2019, 09:18:36 PM
turtmaster turtmaster is offline
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Default Re: Smith's AC Welder

Here is a link to a guy trying to use this style of Smith's welder to Tig weld.

https://youtu.be/xb3jcaw1Bw0
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