Janome MyLock 634D Mechanical Sewing Machine "threading looper" Questions

looper threading lever 2. Thread the lower looper and position the thread on hook of the lower looper threading lever. 3. Push the lower looper threading lever back to its basic position while holding

I have a bernina overlocker and whenever I use it the lower looper (marked in red) thread breaks. How can I fix this? It was serviced yesterday and when other people used it before me it worked fine! ...

...threading easier. Blue Thread upper looper first. Pull thread through tension knob. Don'tjust lay it there. (She thought that is what I must have done) Orange Thread lower looper next. Pull thread ...

...RAISE THE PRESSER FOOT when threading and thread the upper looper first, the lower looper second. Sergers sometimes are temperamental about threading. When in doubt, start over from the

...is threaded second and the lower looper thread tail should drape OVER the upper looper. Then thread the needles. Be sure when threading that each thread is pulled snugly into the tension disks.

I have a Bernina serger FunLock DeLuxe 007D and the thread keeps breaking. How do I fix it myself or get it repaired? Which thread, needle threads, or looper threads? If looper threads, be sure to ...

...looper thread just above the threading guide ( this is plate that has two holes for the threads) Raise the presser foot and pull out the clipped thread from under the foot. Remove upper thread from ...

...suspect a threading problem.When the lower looper thread breaks, You MUST unthread the needles before you thread the lower looper. Thread the looper and then rethread the needles. Hope that helps, ...

you thread the needles before the lower looper, the needle thread wrapped over the looper will be under the looper thread and will never be free to form a stitch, so the threading sequence is critical

...looper threading is to make sure the lower looper thread drapes over the upper looper before being pulled under the presser foot and toward the back of the machine. Set the tensions to the midway ...