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Old 05-20-2025, 10:17 PM
Graflex45's Avatar
Graflex45 Graflex45 is offline
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Join Date: Jan 2023
Location: New York
Posts: 141
Default Starter generator problems

I'm making a new thread after my previous one about putting an ammeter on my 70, i thought everything was running well but the problem has recurred.
This started after I rebuilt the starter generator and it started overheating. Enough that it started peeling paint on the bearing cover and its too hot to hold my hand on it.
After a ton of troubleshooting I thought it was fixed but its doing it again. To eliminate any other issues I disconnected the wires coming off the field winding and the small wire off the armature, just the heavy starter cable. It turns over the engine fine, plenty of starting torque.
After running for more than 20 seconds the generator body starts heating up.
I got an armature growler and it didnt show any shorts. I did turn down the commutator and polish it. The field coils seem fine with an ohmmeter, but could one of them have a short causing this?
Is my generator shot?
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1450- 44A deck,QA-36 snowthrower, 42in front blade No.2 Tiller
70- 38in deck, 42 inch deck
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Cub Cadet is a premium line of outdoor power equipment, established in 1961 as part of International Harvester. During the 1960s, IH initiated an entirely new line of lawn and garden equipment aimed at the owners rural homes with large yards and private gardens. There were a wide variety of Cub Cadet branded and after-market attachments available; including mowers, blades, snow blowers, front loaders, plows, carts, etc. Cub Cadet advertising at that time harped on their thorough testing by "boys - acknowledged by many as the world's worst destructive force!". Cub Cadets became known for their dependability and rugged construction.

MTD Products, Inc. of Cleveland, Ohio purchased the Cub Cadet brand from International Harvester in 1981. Cub Cadet was held as a wholly owned subsidiary for many years following this acquisition, which allowed them to operate independently. Recently, MTD has taken a more aggressive role and integrated Cub Cadet into its other lines of power equipment.

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