AC—oil or no oil?
Five year old Dometic rooftop air has required service by Dometic each year since installed. Seems to need a new control unit each time. Anyway, thought I’d do a little PM like blowing out the fins,...
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I believe some motors these days use graphite bushings that make it unnecessary. Just an idea but not used to this particular application. This could account for someone telling you to not lubricate, like door locks use graphite or oil but not both.
