Originally Posted by
Farmhousesewer
Can you secure the machine and make a dimple in the broken thread guide piece that if left? Then use a Dremel to drill it out? Protect the head. If you think you can, instead of drilling, try to tap it out. Suggest you keep the head on its back, so if the piece does come out, it is not lost and end up inside the head!
I think I can dimple it with a centerpunch, since plainly it's smooshable... I was also thinking of covering the hole on the backside with a loose bubble of duct tape to catch any pieces that might go through. I'm liking the Dremel idea.