what about
http://www.sewusa.com/Sewing_Machine...ion_Manual.htm I think the a,b,c, whatever on the end is just model year number changes.
This is for the Ward machine that I have, UHT-J276. All of their zz machines were made by Happy, and should be similar. This manual is free:
http://www.scribd.com/doc/51329635/M...Model-UHT-J276