I am a newbie as of today. I have checked out the QB threads before and found great information. I bought my 'new' 301A at a thrift store and cleaned her, new lube and oil. She will run well to start and then slows to a stop. I own a number of other vintage machines and they have been mostly just cleaning and oiling and good-to-go. I think this one may have more to it than I have the knowledge for. When I disengage the hand wheel the motor runs beautifully(a no lube one). Otherwise when I run it, she runs well to start then slows and will stop. If I wiggle the hand wheel back and forth I can feel something tight eventually release and then she goes again...to repeat... I would love to be able to fix it myself but need some guidance as to where to start, guidance if you will. Be gentle with me...