Thread does not wind evenly on bobbin. heavy on the bottom
My method may not be the best but it does work. If you have a plastic or metal bobbin with a hole in it thread the thread through the hole where you would have a 1/2 inch piece hanging out as you put it on the bobbin winder. Hold it tight engage the pedal and hold it the whole time you are winding your bobbin. Hope this helps.
SOURCE: sewing machine has bobbin thread would around winding shaft
If the bobbin is on correctly try crossing the thread before going through the tensioner which should solve this problem and also a more evenly wound bobbin.
SOURCE: brother ls2125 bobbin not picking up thread
you have the wrong size bobbin in ,its to high over the bobbin case causing it to rap around the bobbin.
SOURCE: I have a Brothers XL-3200 which works great but
Your thread tension needs adjustment.
Most likely it is the lower thread tension (not the upper thread tensioner).
When sewing very thin or very heavy material - it is required to adjust the lower tension as well.
To regulate the lower thread tension - turn the small screw on the tension spring of the bobbin case with a small screwdriver.
To increase tension - turn it clockwise SLIGHTLY.
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SOURCE: bobbin thread won't engage.
The bobbin case is not in the shuttle.
Raise the needle to it's highest position.
Lift the lever on the back of the bobbin case and hold it open as you insert the case into the shuttle; arm on the case pointing up. You may have to turn a bit to the left or right - it will click when in place.
SOURCE: I am trying to wind the bobbin following to the
Have you disengaged the clutch? is the needle going up and down at the same time. If needle is still moving, then clutch is not disenaged. This is usually a knob inside the flywheel, or a button on the flywheel, machines will vary. Just recheck your manual and ensure that you have disenaged the drive to the needle.
Now check that the bobbin winder is engaged. On most machines, you need to move the bobbin and the spindle it sits on over against a stop to engage the bobbin winding mechanism on top of the machine.
If you have done all this and the bobbin just isn't turning on the spindle at all, then it may be the rubber ring just inside the case which drives against the flywheel, has worn out. Proper name is "Bobbin Winder Tyre".
This is a link to the part I mean http://www.sewingpartsonline.com/bobbin-winder-tire-brother-x55238051.aspx there is no image but they look like a little black rubber ring and being rubber, they do wear, perish and crack with age.
So if you are able to open up the machine covers you may well be able to see this part and replace it yourself. Or just confirm the diagnosis. They are not expensive to replace.
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