I know this will sound weird but here ya go. With the nozzle being wet with oil and all the information you have provided, it sound like what you are seeing is Nozzle Line After Drip. In a nutshell, you have an air pocket in the nozzle tube that you screw the nozzle into. When the burner is...
First off.....Commercial controls on a residential equipment......OVERKILL. Get a reputable HVAC contractor to change over to a user friendly control setup. Metasys controls are intended for a commercial setup and will give you more trouble than they are worth. Secondly, thanks for the pictures...
Just want to say hello to all. Found this site while I was doing some research on a Snap On box and roll cab given to me by a friend. Turns out its a KRA 510A & KRA 500A. I am going to restore it and this site has started me off in the right direction!!!!!
Sounds like the run capacitor has gone bad. Most blower motors are PSC motors(Permanent Split Capacitor). The capacitor should be attached to the blower housing and are usually rated at 5 to 10 MFD. You will need to check it with a meter that reads capacitance.