I was reading another post on a featherweight. It is called the cleaning of a 1948 featherweight. In it she tells that the bobbin holder has to be in the right position when you put the face plate back on. When I have the face plate off the machine makes a full revolution. When I put the 'finger' in the center position it doesn't work at all. Also her machine bobbin holder is stripped down compared to mine. Mine has a C like piece on it (without the bobbin case) My machine is a 1959 would that make a difference?