Guide :Sewing Machines : Shark 80 - 7133
Birdsnest and machine jams
I was sewing on some felted sweaters and suddenly my machine stopped working. It is making huge birdsnests around the bobbin mechanism and jamming to the point where I have to cut the whole piece free from the machine. I went through whole spool of thread trying to fix it, just to give you an idea of how much it's winding up underneath.
I thought it was a dirty bobbin assembly, so I took the bobbin mechanism apart, cleaned it thouroughly inside and oiled it. Still happened. If I pull the top thread while it's sewing, it will work for a few stitches until it tangles again. It seems like the