Love this site
Hi Gurus, Been trying to fix my unemployed son's AC-fixed one problem by replacing the dual rated capacitor (original was 3/30/370, new one is 30/5/370, but newer one is physically smaller). The problem now is the fan shuts off after 10-15 minutes. Suggestions from this site said clean the coil (looks like radiator fins?)-which I did-was very dirty/caked with grass, and check the motor bearings which seemed OK but I WD40'ed it anyhow. I'm thinking the different microfarad rating is OK since it's a higher rating. I see the contactor deenergize after the fan shuts off. Not an HVAC guy. Need the experts' suggestions.