Cause for upper thread not picking up bobbin thread

HI Elizabeth.
Found this on the internet.
There could be several things that could cause the machine not to pick up the bobbin thread.

• The upper thread could be tangled.
  Remove the thread completely from the machine.
  The correct size spool cap should be used for the size of the thread spool.
  Re-thread the machine according to the directions in the manual.

One Point Advice Place a spool of thread on a spool pin.
One Point Advice Upper threading

• Remove the bobbin and make sure the bobbin is threaded properly in the shuttle race.
  Remove any loose threads or lint in the shuttle race.

One Point Advice Installing a bobbin into a bobbin case

• You could be holding the needle thread too tight.
  Hold the thread lightly to keep the end from going down into the shuttle.
• The needle could be thread incorrectly.
  Thread the needle eye from the front to the back.
• The needle could be bent or improperly inserted.
  Install a new needle with the flat side of the needle facing the back.
• if this does not help you go to this link.

won pickup the bobbin thread Google Search

Not quite sure since the symptoms are not clear. "Bumpy stitches from bobbin"--does that mean there were thread nests on the bobbin side of the fabric? That is thread nesting or bird nesting resulting usually from mis-threading, upper thread not completely seated in tension disk, or upper tension too loose. Remove the upper thread from the machine. ALWAYS RAISE the presser foot and rethread from the beginning--verify the thread path is correct. Set the upper tension to the midway point between high & low number and retest the machine. (Upper tension may need to be tweaked because fabric, thread, and age of the machine will have an affect.)

Check that the bobbin is wound smoothly--no lumps, bumps, or thread ends/pieces sticking out of the bobbin. Check that the bobbin is installed in the bobbin case correctly (turning the proper direction) and the bobbin tension is threaded completely.

If the upper thread is not picking up the bobbin thread, make sure to install a brand new needle. (I don't try to straighten or "fix" damaged needles. With today's computerized machines, it may cause more damage than a new needle would cost. That may work on the old mechanical machines like the Singer Featherweights, but my machines are too important to risk for the price of a needle.) If it still won't pick up the bobbin thread, then the machine's timing has probably been knocked out of alignment. Search for sewing machine timing or take it for service.

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Install a brand new needle. A bent/damaged needle sometimes will not pick up the bobbin thread.

Verify the machine is threaded correctly.

If it still will not pick up the bobbin thread, most likely it is a needle/hook timing issues. There are many web sites and videos online explaining sewing machine timing. Or take it for service.

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Try installing a brand new needle.


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Needle not picking up bobbin thread Threads Magazine Gatherings Forum...

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Picking up the bobbin thread has to be done by manually. Turn off the machine, open the bobbin door, lift the presser foot, hold the end of the upper thread and slowly turn the side wheel till the needle enters the bobbin race and on the way up it will catch the bobbin thread. Pull the upper thread till you lift the bobbin thread too. Put both threads to the back of the machine, close the bobbin door and you should be able to sew.

Hi,
did you clean the bottom bobbin area thoroughly? Remove the cover plate and bobbin reel, look for debris. Any left over cotton will cause problems, after you clean it spray some wd-40 on all moving parts.
Thanks
Adam
please leave me some feedback

check the bobbin to make sure it's not warped
check the needle to make sure it's not bent-roll on flat surface to see if it roll correctly
make sure the bobbin is in the bobbin case correctly
make sure you have a 3 to 4 inch tail on the bobbin-so the upper thread can pick it up easily
make sure you have a 3 to 4 inch tail on upper thread also as it picks up the lower thread
or you can hold the upper thread with your hand to the side of the machine & use the handwheel to lower the needle as it picks up the lower thread
pull both threads to the back behind the needle
make sure there is no lint or loose threads in the bobbin area

Try changing the needle again. I have had some cause me trouble even if new. And make sure the bobbin is in the right way.

Is the under thread getting all bunched up?