I have Sears Kenmore sewing maching Model 15358. I will be sewing along for a ways, then the thread begins to fuzz up and begin to shred within the needle, presser foot area. Why? I have rechecked that the machine is properly threaded, top tension is set on #4. I have slightly adjusted the bobbin tension.
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When it stitches, does appear the top thread is tighter and pulling the bobbin thread up? Pay attention to what is happening before the thread breaks. Sew slowly and manually turn the handwheel. Where does it break? What are the symptoms before it breaks? Does it fray/shred at the needle eye? (The thread is not advancing through the needle eye properly and is actually being shredded, could be the needle has a sharp spot or the needle eye is too small for the thread. Coarse fabric will also shred thread.) Do you notice the top thread getting tighter and tighter and then finally popping? (The thread is being held back somewhere in the thread path {misthreading'--happens to me when it gets wrapped around the spool pin or a thread guide.)
Suggest removing the top thread completely from the machine. Install a brand new needle that is the appropriate size and type for the thread and fabric. Remember to ALWAYS RAISE the presser foot and rethread from the beginning. Verify the thread path is correct. Adjust the top tension until the top and bobbin threads meet in the middle of the fabric.
three possible reasons
old cotton will break or shred easily so get brand new cotton
next is eye size of the needle
a small eye with a heavy gauge cotton will not allow the cotton to pass easily
next is needle /hook timing
out of time allows the hook to pierce the needle thread and create the problem take it to a service centre for a check of the timing
The bobbin winder doesn't spin and I can't wind the bobbin. ... What will release thebobbin winder that is stuck to the right on my Kenmore sewing machine model 385.17826690? Why won't my bobbin holder thread to the top on my Sears Kenmore sewing machine model 385.17928?
Most of your problems can be solved by taking care of your top threading, usually your underside threading will be messed up because of the top thread, bobbins cause loose stitches on top, Read you manual if you don't have one check online and you can usually buy one,also, you can take into Sears, to the sewing section and they can guide you as to what is wrong.Don't mess with your bobbin tension unless you know what you are doing!!!!!!
Most of the time the reson the thread "thins out" is because the hook is spliting the thread. This can be caused by the wrong needle but the planets rarelly align for that to happen. it is probably just a fuzz out of time.
Check the timing of the needle to the hook. Here is a guide to generic principles of Timing http://www.sewusa.com/Sewing_Machine_Repair/Sewing%20Machine%20Hook%20Timing.htm
The tensions must match ie. top tension =bottom tension. If the material is not sewn together tightly, that means the tensions are mismatched. Sewing machines will sew whenever the top and bottom tensions are equal (be it very tight or very loose).
We usually advise the customer to not touch the bobbin case tension. When that is not changed, all tension adjustments can be made from the top tension above the needle.
It appears that one of the two tensions (top or bottom) is much tighter then the other. I would reset the tensions to how they came, if you are unfamiliar with sewing machines this may take a little bit of experimenting until you get it back to a standard quality stitch.
The other option would be bring it to a sewing tech. A good mechanic should be able to adjust the machine and your tensions to your fabric (and recommend needle size for your thread/materials) in about an hour.
all machines thread the same. TTN tension,take up, needle. Beginning
with the spool, guide the thread through the thread guides to the
tension assembly. Pull the thread through the tension assembly and test
it to make sure the tension is working correctly. (To do this
test,adjust your tension setting to normal or medium or 5 or something
in the middle. Raise the presser foot and pull the thread through the
tension. It should pull easily!! Lower the presser foot and pull the
thread. It should pull noticeably harder.) If it passes this test,
continue up through the take up lever,then down through the thread
guides to the needle. Make sure your needle is fully inserted and
turned the correct way.( If you load your bobbin case from the left
side,the needle rule is normally FLAT to the RIGHT is RIGHT. There are
some exceptions. If you have a newer style drop in bobbin or your
bobbin case loads in the front then the rule is FLAT to the BACK.
To wind the bobbin, guide the thread around the thread guide on the left top of your machine, then to the bobbin winder. Wind the thread around the bobbin several times, place the bobbin on top of the bobbin winder, push it against the wheel and press the foot pedal. It should stop winding when the bobbin is full or you take your foot off the control
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