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I started running into timing issues with my 112w115. The timing seemed okay but the bobbin thread kept wrapping around the hook assembly. I retimed the hooks and the hooks were rotating past the needle eyes correctly. After a few rotations the hooks stop rotating when turning the wheel.  
 

I attempted to take the hook casing apart to see what may be causing the jam. I noticed the right bobbin case was rotating with my fingers but not the left. I was able to take out the right bobbin case but not the left.

I’m lost on what could be causing the machine to jam. I don’t think this model has a clutch. Anyone have a clue on what’s going on.  I added some pics of the right bobbin case removal and underneath the machine where I think the clutch would be, also a video of how it’s jamming.

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