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Old 03-26-2013, 07:59 PM   #1
Iwantabikesobad OP
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help needed with Lincoln AC-225-S Welder

Hi all, Here is the story. Was grandpa's old welder. It started acting up so A new amp.selector switch was bought. My uncle tried to put it in. Now it only works on some of the settings.
It has sat for many years and has now come to rest at my house( because Ted can fix lots of stuff).
What I am seeing is the wiring from the transformer taps going to the amperage selector switch tabs have been installed in the wrong order.
Can someone help me out with the correct wiring order.
I did print out a new wiring diagram. There are no markings on the wiring to give me the order they install in. Can someone draw me a picture or snap a few photos of the correct order they install in.
Thanks
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Old 03-26-2013, 08:31 PM   #2
vtwin
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Maybe ask here?

http://www.advrider.com/forums/showthread.php?t=872724

or

http://www.advrider.com/forums/showthread.php?t=625664

or

http://www.advrider.com/forums/showthread.php?t=210053
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Old 03-28-2013, 07:19 PM   #3
Hardware02
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There're are a couple (at least) AC-225 rebuild/refurbish threads here.
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Old 03-28-2013, 07:22 PM   #4
Iwantabikesobad OP
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Thanks everyone for the help. We got a little deeper into it and found some internal shorts in the transformer windings. You can see some ark burns between windings on both sides of transformer.
I think this old welder is down for the count.
Thanks again for helping out.
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Old 03-29-2013, 07:24 AM   #5
Nytelyte
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Quote:
Originally Posted by Iwantabikesobad View Post
Thanks everyone for the help. We got a little deeper into it and found some internal shorts in the transformer windings. You can see some ark burns between windings on both sides of transformer.
I think this old welder is down for the count.
Thanks again for helping out.
DON'T COUNT IT OUT!!!!!

My buddy works as a circuit designer for Lincoln Electric, he is always telling me stories about how they got a call about some ancient product that was broken and they totally took care of the person. From everything I can gather the company has an amazing stance on helping out folks that have old Lincoln gear.

Give them a call. Or if you want, send me a picture and serial number of the unit and I'll talk to him and see what he thinks might happen.
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Old 03-29-2013, 04:23 PM   #6
Hardware02
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What he said, plus go to the link I posted. There aren't many moving parts in them and old ones can be restored relatively easily.
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Old 03-30-2013, 09:52 AM   #7
perterra
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Internal shorts in the windings, if it's copper wound I'd scrap it. If it's aluminum I'd just pitch it in the dump. Used AC machines are a dime a dozen
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