Husqvarna Lily 540 and 550 "top stitch jeans" Questions

...top stitch jeans is use a regular weight thread, large size jeans needle but thread up two spools of thread on the top with both threads going through the same needle eye. It still may not solve the ...

...jeans. I have top stitching thread and a jeans needle, but the stitches on top are uneven and the thread underneath is showing loops through from the top. Also, the needle and the foot will not sew ...

...top thread is pulled to the bottom as loops and the bobbin thread looks very *zig-zag*-ish between each stitch. And when I pull out the mess of stitching, the bobbin thread easily pulls straight out ...

...top and loops are showing underneath. Also the foot and needle will not sew over cross seams and thread keeps getting snarled up underneath. Tha As in above summary a lot of machines struggle with ...

...top thread tension to its highest and run a test (using straight stitch length 4) on the same thickness as the jeans hem you're planning to sew. Check at this point to see if the bobbin thread is ...

...stitch is not tight. Bottom thread is loose. I've been told it could be my thread. Is that the problem? If so what threat should I use? try loosing the top thread tension,, if that doesn't ...

...top stitch is too loose and you see the bobbin threads on top, then the top tension is too tight. It helps to thread the machine with different color thread on top and in the bobbin, and then stitch ...

jeans machine sewing maching is working but not stitching. So the top thread is not picking up the bobbin thread? Try a brand new needle. If that doesn't work, then the machine is probably knocked out

...jeans. Heavy needle and Heavy thread were being used. Your needle probably bent and got jammed.  clip threads top and bottom of the fabric and remove... then get in the bobbin area and look for ...

...Top stitch is perfect, bottom thread is anything but straight. I've re-threaded, cleaned the "hook", changed to a 14 needle. I still hear a knock and can't get a straight stitch from the bottom. What ...