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All Replies on 83-651 3hp wired for 120V. Bad magnetic starter. Help find 120V magnetic starter?

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83-651 3hp wired for 120V. Bad magnetic starter. Help find 120V magnetic starter?

by zodd07
posted 12-08-2018 11:16 PM


3 replies so far

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MrUnix

7359 posts in 2561 days


#1 posted 12-08-2018 11:33 PM

Something doesn’t jive… it looks like that motor is rated at 32A @ 120v. My guess is that it’s wired for 240 and you are trying to run it on 120v. You need a minimum of a 20A 240v circuit for that machine.

As for vibrations, and given the age/condition of the machine, IMO you should probably go ahead and replace the belts and bearings (arbor and motor both), and then properly set the belt tension.

Cheers,
Brad

PS: Post a better picture of the starter. Sounds like a NEMA size 0 (zero), but can’t tell from the picture.

-- Brad in FL - In Dog I trust... everything else is questionable

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zodd07

3 posts in 166 days


#2 posted 12-08-2018 11:52 PM

I did replace the belts but just blew out and added some lubricant from the outside of the bearings to loosen them for the time being. Trying not to spend money until I’ve identified all the issues! The vibrations are not completely terrible but I was hoping for it the purr with the new belts.

Also, it did trip the breaker on an extension cord – but with the larger wiring on a short length it seems okay! I must be riding offly close to the breaker limit. I have not had it shut down under load.

Would it run on a single leg of 240V? If so, I imagine this would cause a lot of vibration? It does run now and is definitely on a 120V plug. I just have to flip the magnetic starter to get it started.

edit – forgot the picture!

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zodd07

3 posts in 166 days


#3 posted 12-09-2018 12:06 AM

The killawatt meter shows 25A during startup but 8A during idle. Looks like I will need to rewire for 240V. Do you think the magnetic switch might start working with 240V?? It sounds like it really wants to close now but not enough juice.

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