Question about Yamata FY920
Remove the bobbin, bobbin case as well as the shuttle hook. There are black pins/holders that hold the shuttle hook. After you remove these 3 components, make sure there are no thread stuck in between the 2 hook pieces as well as the bobbin shaft. Most of them time, there are either fabric or thread stuck. If not, make sure the needle is not hitting the feed dog or the hook.
Posted on Jul 08, 2008
Sound like there is a thread jam somewhere. Check the bobbincase and hook assembly.
Posted on Feb 23, 2008
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