There may be threads jammed up in the bobbin holder area causing the jam. But removing the inner bobbin holder is a bit tricky if you haven't done it before. There are two little screws holding the silver inner down onto a black ceramic piece (inner guard ring), and you need to get these lined up the right way to get the bobbin holder back into position afterwards.
I would suggest that you join the Yahoo group Elna Heirlooms, then check out the files and photos loaded up by other members who work on their Elnas.
You shouldn't need to remove the feed dogs, just give them a clean with a little brush. But internally the machine may need a good clean and lube and without a service manual or good guide this can be challenging.
If you go this link
http://www.arizonaexpressionz.com/elna_service_manuals.html you can down load the manual for this machine, the Star Series SU. Go to page 7 of the first part to see about removing the bobbin holder and inner guard ring.
It is a case of lining up the cut out of the black plate to the front, then putting the bobbin holder on top with the little arms facing front also, then replacing the two screws.
I'd suggest you take photos with a digital camera before you start to help you get it back in the right way.
I hope this helps you with the Supermatic, did you get the discs and accessories with it too? lovely Swiss quality machine with great stitching so if you can't get it unjammed, you may wish to find an experienced Elna Technician to take a look.
White Sewing Center stock lots of parts for these machines too,
www.whitesewingcenter.com
help! i an going........nts tyin to figre this out.thanx Ange
Need assistance with loading a bobbin. Can you help. Do you have pictures to follow?
The bobbin I have sits in a case that you then place in a verticle base so you can see my confusion as I am used to a regular machine.
I lost the instructions to my Viking Husqvarna 190 Selectronic sewing machine and can not remember how to load the bobbin, if you could help
that would be great . Thank you so much.
Connie Worrell , Va. Bech Va.
I have a Euro-Pro 9025 and cannot get the bobbin to stay in. The outer circle around the whole bobbin area has come out. Which way should it be to stay and how do I get it to stay in?
drr
show me how to supermatic bobbin and threading instructions
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