How do you adjust the lower bobbin?
Raise presser foot.
- Turn hand wheel toward you until the needle is in its highest position.
- Open the hinged cover.
- Hold the bobbin case with one hand. Insert the bobbin so that the thread runs in a clockwise direction.
- Pull the thread through the slit and under the finger.
- Hold the bobbin case by the hinged latch.
A: Looping on the underside, or back of the fabric, means the top tension is too loose compared to the bobbin tension, so the bobbin thread is pulling too much top thread underneath. By tightening the top tension, the loops will stop, but the added tension may cause breakage, especially with sensitive threads.
Make sure that you are using the same weight thread in both your bobbin and upper thread. If you don’t, your tension can be uneven and cause you to get bunched-up thread under your fabric. … If your tension is too tight, it can pull your thread and break it. Turn your tension dial counterclockwise to loosen it.
Why is my bobbin not winding?
If your bobbin does not wind quickly and smoothly when you press on your foot pedal, your bobbin winder might not be fully engaged. This can cause uneven winding. Make sure you push your bobbin pin all the way over or loosen your bobbin wheel completely to engage your bobbin winding mechanism.
Stitches are loose on the top and/or bottom
- The upper threading could be threaded incorrectly. …
- Check the bobbin. …
- Change the needle.
- Check the combination of the needle and thread size as well as the fabric you are trying to sew on. …
- Using a scrap piece of material sew out your stitch and adjust the thread tension.
Why is my thread getting tangled in the bobbin?
If your sewing machine thread is not properly threaded, the bobbin thread won’t be pulled up into the fabric the way it needs to be. Occasionally the upper thread can catch on a moving part or get stuck, which impedes the easy flow of thread through the needle, creating a tangle.
How do I stop my thread from bunching up when sewing?
Hold the thread in both hands with light tension. The thread is positioned in the pretensioner. Also make sure the thread is positioned properly between the tension discs on the top of the machine: If it is not positioned correctly, it will not have any tension, and will be pulled under with the very first stitch.