Once I determined that the SuperNova's power plant is healthy, I decided to give the mechanical a look see. It really is pretty clean. This is a pleasant surprise.
I removed the hand wheel, following the directions I downloaded from, yup, you guessed it, the Necchi Yahoo group.
First I loosened the belt, but that you already knew about since I did it in a previous post. Then I removed the clutch knob from the hand wheel.
I removed one screw, but found that you don't have to remove the screws at all. Just loosen them. That way they won't drop to the floor, or worse, get lost.
The stop washer is integral to this piece. See how the stop washer fits into a notch in the shaft?
Upon Andrea's advice, I removed the wick,
Note the position of the bobbin winder. This is significant. The belt is a generic, lug, belt. While it is the correct diameter, the belt is too wide. It rides above the belt channel in the hand wheel and interferes with the functioning of the bobbin winder. I can't wind a bobbin. Bummer.
http://sewing-machines.blogspot.com/ and ask him about the belt.