Harman P43c making a squealing noise when feed motor engages , only . New unit entering 3rd season of use. All else running perfect on unit. Sounds like a "belt" slipping noise, but I don't think it has a belt in the drive or does it ?
squealing noise
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I had a similar issue this year. It was a faulty/worn out Bushing that needed to be replaced. After this was done, it works like new. If that's not the reason, it could be the combustion blower. There may be build up in the impeller blades causing it to not spin as fast as it should and making contact with the housing walls. The other possibility is the HRD Auger, the one that is in the bottom of the hopper, may have saw dust built up around the spinning disc assembly. That can make it screech, grind and not run. All things that can be fixed easily. Hope this helps!
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Noise gone after a couple of hours. Cleaned the pellet feed chamber next day....packed solid with fines .
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