We may have found other answers which could help you.
Click here for Sewing Machine Repair Stitches
Elna Supermatic 722010 Hook Drive Gear & another replacemnt part?
How can I fix my Elna Supermatic 722010?
How do I adjust timing on my Elna Funstyler?
unlock 'frozen' Elna Lotus zz sewing machine?
Elna Carina flywheel is stuck?
how to remove noise from elna 8300?