SOURCE: singer overlocker
Most likely is the left looper thread is trapping the needle threads.
Remove the threads and start over in this sequence....
Left looper - right looper - left needle - right needle.
If you thread the needles before the lower looper, the needle thread wrapped over the looper will be under the looper thread and will never be free to form a stitch, so the threading sequence is critical.
SOURCE: Threading bobbin on singer stylist 522
To wind a bobbin put the cotton reel on the top pin, take the thread to the left and round the little wheel and back to the bobbin that should be on the winder, wind the thread round a few times to take a grip, release the stop motion in the balance wheel, turn the winder button so the winder moves to the balance wheel and press on the foot control slowly.
When you put the bobbin in the bobbin case make sure it turns anti clockwise.
SOURCE: I have a Singer Stylist 834, have rethreaded and
It sounds like your machine has a broken vertical shaft gear.
Open the slide plate and, while turning the handwheel, look to see if the hook is turning under the bobbin case. If not, take it to a repair person and it should cost around $100 to replace the gear.
SOURCE: I have a Singer Stylist 533. When trying to sew
out of time but may have broken gear under the bottom.
SOURCE: I hit a pin with my Singer Stylist 7258. It
Good that you changed the needle. Did you rethread just the needle or did you rethread the machine? You may have already taken these steps, but if not, here is what I would suggest:
1. Replace the old needle (which you did), even if it looks ok, as it may be bent or have a tiny burr or other damage that isn't easily visible. Make sure the needle is seated properly - facing forward and fully inserted.
2. **Completely rethread the machine, making sure the thread is going through the take-up lever. It can easily pop out when the machine jams, and you can't always see that the thread is out of place. That could explain why the thread doesn't loop properly around the bobbin.
3. Remove the bobbin and clean any knotted thread or lint from around the bobbin carrier. Canned air is great for cleaning the lint.
4. Replace the bobbin, making sure the thread-end is clipped neat, not frayed or knotted.
5. Try sewing on some practice fabric to make sure the stitches are going to form properly before returning to your sewing project.
Good luck!
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