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220v Lincoln on 110v


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  #1  
Old 08-11-2015, 09:12:26 PM
Flintstone Flintstone is offline
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Default 220v Lincoln on 110v

Hi Guys, Don here. Ben over on the Stacks Onan section for a while, but new here. I just made an insane score at a yard sale, a Lincoln AC-225-S for $40, along with what I might guess is $50 worth of rod. Problem is I have an old 4.0 CCK Onan, which has no 220V option, 110 is it. (around 4KW I hope) Question is, might I run it on what I would call "one leg". It did come with some 1/16 in. rod. I'm not welden dozer buckets! (at this time). Small steel like car exhaust might be a goal. Should I just try it and see? Can I damage the Linclon with one side dead? I didn't find any info with a quick search, so thought I'd see if someone here had any thoughts. Much thanks, Don.
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  #2  
Old 08-11-2015, 11:30:22 PM
Bill Hazzard Bill Hazzard is offline
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Default Re: 220v Lincoln on 110v

110V won't hurt the welder, it is just a transformer, but you might not get a good weld. The arc voltage will be half of what it is supposed to be. You might have to turn the amps as high as they can go to get a good weld.
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  #3  
Old 08-12-2015, 12:27:53 AM
Power Power is online now
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Default Re: 220v Lincoln on 110v

I got one of that vintage. My transformer has 2 windings - in series for 220, in parallel for 110. Pulls a lot of amps on 110- I needed a 30 amp circuit.
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Old 08-12-2015, 01:16:17 AM
Flintstone Flintstone is offline
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Default Re: 220v Lincoln on 110v

Alrighty then. In my teens it seemed I could solder without flux, gas weld paper, and and strike a nice bead while eating a burrito. Funny how that seemed to have changed. (now solder beads and drips, the gas rig just burns holes, and the rod just sticks while it buzzes).

Nice to hear I won't hurt the thing. I'll post up Wed. on how it went trying the small rod on 110.

Power....? Are you hinting that the Lincoln could be "modified" to use 110V?
"in parallel for 110. Pulls a lot of amps on 110-"
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Old 08-12-2015, 03:35:06 PM
Power Power is online now
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Default Re: 220v Lincoln on 110v

Quote:
Originally Posted by Flintstone View Post
Power....? Are you hinting that the Lincoln could be "modified" to use 110V?
"in parallel for 110. Pulls a lot of amps on 110-"
My very old red Lincoln has a switch similar to yours. It goes to 225 amps, but with fewer taps. Glued on the inside of back cover is a paper schematic showing how to connect for 110 or 220 volts. Maybe yours is also wound with 2 primaries, and you can connect it for full power at 110.

Re solder. Most sold today is lead free, harder to work with. I got 60/40 solder at Radio Shack. Still allowed to use that on electronics, but not on anything that contacts water, like pipes.
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Old 08-13-2015, 08:40:33 PM
Flintstone Flintstone is offline
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Default Re: 220v Lincoln on 110v

Here's the diagram. Had some thoughts, but figure listening makes more sense here. I will say, the handwriting sure looks the same as an bunch of Onan diagrams I've seen! Seems to say it's a 76..A friend has an oldie that he would likely gladly trade for this.

Guess I could button it back up (14 screws!) and in the name of science see what it will do with 110V...BUT, the fan motor is 220, (230V it says).
Maybe I'll wait....will I burn up the fan motor if it only gets 110?
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Old 08-13-2015, 09:09:04 PM
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Default Re: 220v Lincoln on 110v

I see 1976 on schematic - I had bought mine used around 1970 or so, so mine is older.

You may still be in luck.

I see a dot mid primary winding. That usually means connection. Before you button it up, look and see if there is an exposed connection. Mine has heavy terminals with 10/24 bolts and flat washers.

Running fan motor at 1/2 voltage should not hurt it- fan will run a lot slower, and may not cool transformer enough on extended use.
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Old 08-13-2015, 09:53:48 PM
Flintstone Flintstone is offline
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Default Re: 220v Lincoln on 110v

Excellent timing, I just fished buttoning it up and putting it back on it's cart! I did hit the innards with a toothbrush and some air. Looks nearly virgin.

I see the dot and still have some light, I'll go back and take a look there.
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Old 08-13-2015, 09:55:48 PM
Flintstone Flintstone is offline
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Default Re: 220v Lincoln on 110v

Forgot the pic.
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Old 08-13-2015, 10:21:14 PM
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Default Re: 220v Lincoln on 110v

OK, the two coils have a tab sticking out where they connect. I have a small angle driver that would let me drill for a self tapping screw there. Thoughts?
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Old 08-13-2015, 11:30:02 PM
Flintstone Flintstone is offline
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Default Re: 220v Lincoln on 110v

Looking more at the diagram, I might, (or maybe not), be getting it.

The primary circuit might be pretty simple, I can just tap in a bit further, and leave the up-stream open?

If that's right, knowing if I'm pointing at the right spot with those scissors might be my next issue.
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Old 08-14-2015, 01:36:49 AM
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Default Re: 220v Lincoln on 110v

Mine is different. Big honking transformer with 1 big winding for primaries and secondary. Primary is wound with square COPPER (not round).

Your primaries appear to be wound with ALUMINUM ribbon. If it is aluminum, I would not mess with it.
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Old 08-14-2015, 03:18:19 AM
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Default Re: 220v Lincoln on 110v

10-4.... Leaves 3 options. Take a shot at making the 110V unit in the barn work, see if I can trade this for an older, (I think I can), or sell this and think about a wire feed.
Then still I suppose I'll see what this can do with 1/16 rod on 110.

As long as I'm here maybe someone might help with the 110 unit. I'll dig it out with pics and yada yada. It's stupid, maybe Sears. Even had a pro here who said it is not right. I felt like contact in there was not happening is why small rod either did nothing or stuck...wondering if the "homeowner- unit has contacts that could be cleaned.
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Old 08-20-2015, 12:46:50 AM
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Default Re: 220v Lincoln on 110v

Power, at first I was willing to buck your sound advice. As contributor on other forums, I get it that I never want to suggest anything that might mess something up. (or waste money). Two problems there. My angle drill wouldn't fit to drill there at the sizer point, and second, there is a third, perpendicular coil with a similar junction. No brainier that's the secondary, but a no brainier, looking at a no brainier...... So to wrap things up, but not quite. The Monkey Wards 110v unit I mentioned earlier, functions with the 1/16 rod down at a friends house. Only time I tested that with the 1/16 rod, that came with the Lincoln. The Lincoln on 110V from the Onan 4.0 CCK does actually work! Well if you could call it that. The first "almost a bead" pic is on 18G? (any thicker and I'd say 1/16 in) That there "bead" is about 5 inches in one rod. The second..............someone with welding experience beyond mine might have of made it work. I did have an issue with time and my angle grinder not getting down to the crux of the business. Had I cleaned to bare steel all the way down ...Idk, might have gone better. By "but not quite", thinking I might try the 110V Monkey Ward unit on the same stove pipe flange with the 1/16 rod and see if it comes out looking like a weld. Lastly, does my crappy, spotty weld speak out to anyone? With the Lincoln on 175 or 225, didn't seem to change the rapid feed I needed with the 1/16 rod.
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