Your stitches may be too far apart. But, most likely the issue is that the tensions are not correct. If one thread lays in a smooth straight line on the fabric, the other thread tension is too loose, ie the bobbin thread lays on the fabric and the top thread is going all the way through the fabric and shows on the bobbin side, then the top tension needs to be tightened. The tensions are correct when both threads meet in the middle of the fabric.
SOURCE: My brother LS-1520 sewing machine is having major tension problem
Try some metal bobbins, #15 or SA 156. that seems to help. If, you don't have a manual go to brother.com and download one for free
SOURCE: have a brother xl2230 has
I need a little more detail, was it working ok and feeding the fabric through, then stopped moving? How is your top tension? Set at 3 or 4? No thread caught in the bobbin area? What is your stitch length? What kind of fabric, and what size needle? See, there a lot of things that I need to know in order to help you, Please give as much detail as you can when stating your problem, don't forget, we can't see what you are doing,
SOURCE: I have sewn on my
Bobbin thread being too loose is due to two possible factors. The upper thread may be too loose allowing the bobbin thread to pull it under the fabric, or the upper thread may be too tight in which the bobbin thread will pull up to the top. Try adjusting the top tension to see if you can correct it. If it doesn't fix the problem, take out the bobbin and look for a screw on the bobbin case. If your bobbin case comes out from the underside of your machine, the screw is on the side. If yours is a drop in bobbin, it will usually be under the faceplate so you might have to take that off too to get to it. Turn the screw clockwise to tighten the bobbin, counterclockwise to loosen it. Only go a quarter of a turn at a time so you won't overshoot the mark.Then try by re-threading and sewing.
The basic procedure for threading is as follows:----------
Note that Pfaff sewing machines thread from left to right, not right to left like other sewing machines. The upper tension discs should be raised at their highest position while threading, and the presser foot should be raised up until you thread the needle. Drop the presser foot right before you thread the needle. The prevents thread problems during use.------------- Insert a full bobbin and retrieve the bobbin thread through the thread plate. Raise your sewing foot and needle to its highest position; hold the needle thread taught with your left hand, lower the needle into the thread plate using your right hand, and then raise the needle. As you raise the needle, the needle thread will catch the bobbin thread, and pull it up. There should be a loop of thread intertwined with the needle thread. Use tweezers, your finger, or a straight pin to retrieve the bobbin thread that is visible through the thread plate, and pull it through the plate.Place the fabric under the presser foot, and drop the presser foot. Choose the stitch you want to use from the top stitch display, right above the top thread feed. Press the '0-9" button located on the sewing machine's front panel, and a display screen will come up. Input the thread number, and press the 'OK' button located on the sewing machine's front panel.-----------this is procedure. If problem persists.Remove bobbin and clean lint from bobbin and re-tight the bobbin properly, then check.This should help.Thanks.Helpmech.
try adjusting the upper tension
change the needle
if you recieved a instruction manual with the machine, look for the part that tells about what fabrics go with which needles, & the thread should move easily thru the needle eye with out any problem
SOURCE: Pfaff 4.0 quilt expression pulling bobbin thread up to top of fabric help.
try a new needle
rethread the machine top & bobbin
try adjusting the top tension just a touch to see if that helps
clean under the needle plate & in the bobbin area for loose threads
or lint
make sure the bobbin is wound correctly & inserted into the bobbin
case correctly
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