We are a generator repair facility in Shreveport LA. We have a "Kenowah" brand small portable generator (4500E) for repair with a rotor which has one of two permanent magnets shattered. We need parts for this generator, a new rotor, if necessary, or a replacement permanent magnet, if available. We need assistance with parts and repair info. HELP, please. I understand your service is free and that I am not otherwise obligated personally or through my company to purchase any subscription of any kind whatsoever. This is my first use of this site.

We have a whole Help Center dedicated to helping people fix their Portable Generators. Check it out on our site. https://www.generatorguru.com/

Parts Spares for Generators and Small Engine Machinery

Fred,

How can we help? Do you need advice? If so we are happy to help.

If you need to buy gaskets we sell them for over 700 brands of Portable Generators on our website.

Parts Spares for Generators and Small Engine Machinery Parts Spares for Generators and Small Engine Machinery

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Rotor Center Bolt 5/15-24 Bolt 12-20 ft-lbs.

The engine is LIKELY a standard brand such as Tecumshaw, Brigg's and Straton.

Take it to a small engine repair facility and they can probably get you the part you need. A lot of lawnmower repair outfits will have access to the parts.

Shreveport Sewing Center
635 Bert Kouns Ind. Loop
Shreveport, LA 7118 (318) 688-2402

Abby's Singers
617 Texas St.
Shreveport, LA 71101 (318) 459-4125

some listings in yellowpages.com no reviews

Some shops have trade in machines and may have old parts. Hope this information can help... give them a call.

This sounds like a "flying open" in the rotor. Over time a small part of the wire that winds around the rotor has gotten cracked just enough to open up when it's warm and being pulled on by the force of the rotor spinning. To test this further, take the wires off the brushes and connect an ohm meter across them then run the generator, if you see the ohm meter indicate an open circuit you've found the problem. This can be repaired but it means removing the rotor and finding the weak spot in the winding. You could replace the rotor for a couple of hundred dollars or get a new generator.

Regards,
Carl

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