If the bobbin thread was incorrectly threaded, the upper thread may be too tight. … If the upper thread was incorrectly threaded, the upper thread may be too loose. 4. To increase the upper tension – increase the tension setting or turn the knob to the right.
How do you loosen tension in a thread?
Changing Bobbin Tension
You should see a small screw on the flat/closed side of the bobbin case. Turning the screw a tiny bit counterclockwise will loosen the bobbin tension; turning it clockwise will tighten the tension.
Why is my top thread so tight?
If the thread doesn’t unwind at all, your tension is too tight and will need to be loosened. If the thread unwinds with no effort and the bobbin drops easily, your tension is too loose and you’ll need to tighten it. Use a tiny screwdriver and turn the screw on the side of the bobbin case by 1/4 turn.
How do you fix sewing tension?
Pull some thread off the spool in the machine and cut it close to the spool. Tie two or three overhand knots in the thread, and be sure they are tight. Unthread the needle, and pull the knotted thread through the tension disks down by the needle. The tiny knots often catch bits of lint in the tension discs.
What will you do if there is a problem with the stitch tension as the thread passes through the machine?
If the tension isn’t perfect, fix it by adjusting the bobbin spring; tighter if the bobbin thread shows on the upper layer, and looser if the needle thread shows on the underlayer. Make another test seam, and examine the stitches, repeating until the stitch is balanced.
How do I know if my bobbin tension is correct?
The thread should unwind just slightly and the bobbin case should drop an inch or two. If the thread unwinds without resistance and the case slips to the floor, your bobbin tension is too loose. If the bobbin case doesn’t budge, your bobbin tension is too tight.
What tension should my sewing machine be on?
The dial settings run from 0 to 9, so 4.5 is generally the ‘default’ position for normal straight-stitch sewing. This should be suitable for most fabrics. If you are doing a zig-zag stitch, or another stitch that has width, then you may find that the bobbin thread is pulled through to the top.
How do you know thread tension is correct?
A correct thread tension looks smooth and flat on both sides of the seam. The needle and bobbin threads interlock midway between the surfaces of the material.
What part of the sewing machine that controls the looseness and tightness of stitches?
Tension controls the looseness and tightness of stitches.