My machine jammed after I ran out of upper thread without noticing. I cleared the jam, re-thread the machine and now the upper thread won't pick the lower thread. It looks like the upper thread isn't even going down there!
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check that you have the thread between the two plates that form part of the upper thread tensioner
when threading it is very possible to have the thread go behind a plate and get jammed on the adjuster thread
other than that loosen of the thread adjuster a bit
Just open carefully the front of the machine (attention where everything has to be put back), identify the problem and try to remove the thread. Inspect the inside of the machine and the lower bobbin case for thread that may be tangled . Take it easy and you will fix it ; most of the times you we'll not need professional help. Post back to tell us where the problem was and how you fixed it.
Your tension adjuster is either set incorrectly or needs repair. Bobbins also have a tension setting, though it is not often necessary to adjust them. If they do, it's usually done by turning a tiny screw a very tiny amount. Best to mark the original location of the screw so you can reset it if need be.
Clean out all the thread, clean the bobbin case area thoroughly, a soft brush is good for this, as lint buildup can cause jamming. Set the upper tension around 3 or 4, and try turning the hand wheel slowly to see if the upper thread picks up the bobbin thread properly. If not, adjust the tension again. If you cannot get it to make a nice even stitch, the tension adjusting mechanism may be in need of repair.
Maybe, pull the material out of machine, and make sure that the thread didn't all jam in the bobbin area. If so, clean it out and rethread your machine, upper and lower. Now, put the material in again, but do not start with needle in the materal, make sure that it is in the highest position. Hang on to your threads, upper & lower, for a few stitches. If, your material is real stretchy or thin, put some stabilizer under it, or gift wrapping tissue paper under it. See what happens now. Good luck
The bobbin case should be loose enough to wiggle a little. Take it out and look for needle strikes or damage on the edges, if it is damaged you can try to smooth it up with fine file as a temporary fix but purchase a new one soon as possible. The other two factors to look at is the upper thread take up lever, make sure the thread is in it and then check the upper tension by pulling thread thru the needle. When the presser foot is in the raised position, the thread should pull thru the needle easily, when the foot is lowered onto the fabric, the thread should be hard to pull. If it is still easy with the foot down then the thread did not go into the tension discs properly or the upper thread tension dial is set at too low a number. It should be on a 3-4 or 5kif I remember correctly.
You need to remove the bobbin from the "race" by following the instructions in the manual. Give it a good clean and remove any bits of fluff and thread. Remove the upper thread also andmake sure that the tension wheel is clear of any broken threads and is on the correct setting. It may have been threaded wrong. The hand wheel not turning sounds like the bobbin area is jammed also.
Take the bobbin carriage out and clean it really good. Use the little brush that comes with your machine and brush everything. When m y machine jams up like that it usually means there is lint or thread caught in the bobbin carriage.