thread machine at normal way.to check tension pull cotton to side and if tension is correct needle should bent slightly before cotton start pulling thru.bobbin case tension ,hang case down with cotton thru tension spring,case should not go down.if you cant set case tension by adjusting screw loosen tension spring and clean between case and spring. top tension pull piece of material between tension plates.try and reply
johan
December 2011
Automatic Answer
We may have found other answers which could help you.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix sewing machines.