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Hobart Arcstar 251nt problem
So I have bought from auction a long standing Hobart Arcstar 251nt welder generator. Starts and runs very well, but doesn't weld or generate power on 240v sockets. What should be first things to look at. Thanks.
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Re: Hobart Arcstar 251nt problem
check the brushes on the slip rings. one might be stuck and not making contact.
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Re: Hobart Arcstar 251nt problem
From what I understand this unit is similar to the miller Bobcat 250NT , go to Millerwelds support and print a copy of the owners manual. follow the trouble shooting guide.
https://www.millerwelds.com/support/manuals-and-parts
My old Hobart Champion 16 was doing the same thing, cleaned slip rings and found a cracked rectifier. replaced the rectifier and shes providing power and welding.
https://www.westerbeke.com/troublesh...ing_manual.pdf
I use this manual, because it shows how to test components with pictures of how to do it.
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