Originally Posted by
Kikidakis
I am desperate for help!! My wonderful Viking class 21 has bobbin issues. The hook assembly rattles and I can't for the life of me figure it out!! Help!! I adore this machine, but between the motor not wanting to engage and this, I'm going crazy. When she runs, it's a beautiful thing.
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I would suggest taking it to the dealer. It sounds like something plastic is wrong. Some times gears break and need to be replaced. some of the older European machines had plastic earlier than the 80s. I know my Elna from the 60s had disposable gears in it. I can't say how many times mine had to be replaced. Not a do it your self project and may cost more than it is worth to repair. If you are used to doing repairs your self, open up the machine and look for broken or cracked parts. If you are lucky and it one of those antique Viking machines you might still shine some light in there and watch what it is doing. How long have you had the machine? Picture of it?