Here are some great and helpful sites for Featherweight trouble issues! Go to:
http://singerfeatherweight221.blogsp...herweight.html
here's another one from the same site at:
http://singerfeatherweight221.blogsp...tments-by.html
here is another great site for the answer to someone else's tension problem and in the answer is another site to how to thread, etc your machine at:
http://en.allexperts.com/q/Sewing-32...ight-221-2.htm
here's advice on how the plastic spools are difficult w/the tension on these machines so add felt circles like suggested..go to:
http://www.gpbwebworks.com/fwinfo/thread.html
Hope one of these help!! If not, send me that baby!!:))LOL I'm sure it is just a minor adjustment somewhere...there is so much free info on the net w/these babies...keep us posted! Skeat