1. Unwind about 3 or 4 inches of thread from the bobbin. Insert wound bobbin
into bobbin case.
2. Pull trailing thread into the slot of case.
3. Pull thread to the left under the tension spring until thread enters into
delivery eye.
4. Holding bobbin case latch with the metal finer of case pointing up, fit
it into the notch at the top of the shuttle race.
5. Release latch and push case back making sure the case is in the
proper position. Close slide plate.
Note: The thread drawn out of the case is to be left hanging below the race.
Leave about 5-6 inches of thread hanging.
If this doesn't fix your problem, your machine (made by Brother) may need tuning because the needle isn't in the proper position as the hook comes around to catch the bobbin thread.
A repairman that can fix a Brother, Kenmore or Singer will be familiar with this machine.
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In most cases it is because you are using the wrong bobbin. Many appear the same, but a slight difference is all that it takes to bind up the bobbin. I notice this especially on the vinyl/plastic bobbins.
It bunches up because:
1. It can get caught in something while you're sewing.
2. If you're going really fast while sewing, the thread can snap.
3. It might not be threaded correctly.
There may be multiple things wrong with it... is the tread getting all knotted or is it just plain out not sewing?
The most important thing is to get the right size needle that matches with what your sewing.. and the right kind of tread. I had many problems with my machines, and it was always those 2 problems.
The bobbin is not seated correctly in the holder, or the bobbin thread is threaded through the holder incorrectly.
Have the instruction book but does not mention so I have the machine and I would say same size as the singer but are metal OK ( bobbin ) Most Kenmore sewing machines (including this one) take class 15 bobbins which you can find at Joann's, Walmart, and most places that deal in sewing machines. They come in either plastic or metal.
Yes! Most sewing machines combine plastic parts with metal parts, although higher end brands such as Husqvarna, Bernina, and Pfaff, as well as industrial sewing machines, will contain more metal parts in the inner workings of the machine. A Singer commercial sewing machine would contain a plastic bobbin case, whereas a comparative Bernina model would contain a metal bobbin case. Metal parts are of higher quality, because they do not stretch, warp, or break as easily as plastic parts.
Set the stitch width to #3, the stitch length to reverse, and the selection dial to AK (straight stitch). Open bobbin casing door by sliding it toward you. Remove old bobbin if necessary by lifting metal latch and simply pulling bobbin out. Place empty bobbin in bobbin casing (small disc side down) and replace latch. To the left of the bobbin casing is a tiny metal circular button that doesn't actually look like a button, it just looks like it might be part of the machine, push it down. If it is too hard to push then it might need a little bit of oil. Push it until it locks down. Keep the sliding door open. Okay, take a breath. : ) Thread the machine as you would normally would, instead of sliding the tail of thread under the foot, just thread the needle and gently wrap the tail around the knob that is on the left side of the foot just once,(the screw that allows you to change feet), continue holding the thread and now push the pedal at a moderately speed to wind the bobbin. Congrats, you did it!
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