Try rethreading the machine top & bobbin
put in a new needle
make sure the bobbin is not over wound
make sure the bobbin is turned the right way in the bobbin case
make sure the bobbin case is inserted correctly in to the machine
if the machine still doesn't pick up the bobbin thread it's possible that
the machine is out of time
SOURCE: needle will not pick up thread from bobbin
Without looking at the machine it is very difficult to diagnose the problem on here. Double check the machine is threaded properly and that the thread from the bobbin is through the bobbin tension. If all is as it should be and it will still not pick up, the machine needs looking at by a technician as the timing may need adjusting.
SOURCE: The thread from the needle that goes down to pick up bobbin doesn
make sure your needle's flat bit shows to the back and it is in deep anough. else your timing is out.
SOURCE: why won't top thread pick
Simple things to check are:
Needle in backwards?
Winding the flywheel the right direction?
Is machine and bobbin threaded up correctly?
More serious reason would be timing is out; this happens if you've struck a pin, sewing foot or zipper hard and is something for the machine technician. But try the simple stuff first.
SOURCE: The needle won't pick up the bobbin thread? Seems
I think you mean the shuttle is not picking up the top thread. There are many reasons why this can happen. The best way to find out which is to leave the cover off the bobbin compartment and turn the machine slowly by hand while watching things happen for a few cycles - best to have a piece of material in place as well (but not in your line of sight).
As the needle begins to rise, the top thread should form a loop for the shuttle to pick up. If no loop forms, the needle could be too fat for the thread, the thread could be sticking to the needle, the pick-up arm could be out of time (unlikely), or the thread tension could be wrong (or the machine not threaded correctly).
If a loop forms, but the shuttle does not pick up up, the needle could be bent (take it off and roll it on a flat surface),or in backwards (loop forming opposite to shuttle), or the material (or your manner of feeding it) causing the needle to be deflected away from the shuttle. On some machines, it is also possible to loosen a clamp and move the shuttle closer to the needle, but obviously that is a last resort (unless it has come loose or been forced away).
There are other possibilities, but usually it's the simplest thing. Try changing the needle?
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