I have a brand new Brother ns-10. I have threaded upper thread correctly (tried about 12 times) and redone the bobbin 100 times more. When i am sewing a straight stitch the top stitch is perfect but the bottom (bobbin thread) is almost a zigzag stitch rather than straight. I have adjusted all tensions but to no avail. I was hemming up soft denim jeans using the correct thread and a 90/14 schmetz brand needle which is brand new. Can anyone suggest what the problem might be. This is a machine that i have had for 5 days and i cant get the thing to sew right.
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Re: Bobbin thread issue on new machine
Have you got the stitch width selector on zero ? If not, it may be wanting to sew a small zig zag........if that is OK, ....
Make up some samples of the problems, call the dealer and arrange to take it back to show them the results and either have it adjusted, or show you what needs to be set where to achieve the results you need...........it is under warantee, and you should expect it to function correctly.
I would not advise you fiddle with anything other than tensions and stitch selector on such a new machine.
Ask if you can have a 15min familiarisation lesson on the machine........we actually offer 3 x 30min free lessons on the use of a new machine so our customers can get the maximum benefit from their purchase.
It has proven to be a good business decision, as we get fewer frustrated phone calls and folks actually go and use the machines properly from day one.
a 6ya Repairman can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repair professionals here in the US. click here to Talk to a Repairman (only for users in the US for now) and get all the help you need. Goodluck!
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Be sure to install a brand new needle--check that the needle eye is the correct size for the thread you are using--a small needle eye will shred heavy thread. It may also help to remove the top thread from the machine, ALWAYS RAISE the presser foot and rethread from the beginning. Verify the thread path is correct. Try different thread--AVOID old or bargain bin thread. Check that the upper tension is not too tight.
If the top does not pick up the bobbin thread, the machine may be out of time.
Otherwise, there may be a burr or snag somewhere along the thread path that is catching and fraying the thread. Sometimes there is a snag in the bobbin area (possibly the needle plate or hook) that is rubbing the thread.
Install a brand new needle. A bent/dull/damaged needle sometimes will not pick up bobbin thread.
Check that the needle is installed facing the correct direction.
Also check that the bobbin is wound smoothly, the bobbin is turning the correct direction in the bobbin case, and the bobbin tension is threaded correctly.
If it still will not pick up the bobbin thread, there is most likely a timing issue, ie the needle is arriving at the wrong time to intercept the bobbin thread. Search the internet for sewing machine timing discussions or take it for service.
Install a brand new needle. Make sure it is installed correctly.
Remove the bobbin/bobbin case from the machine. Check that the bobbin is turning the correct direction and the bobbin tension is threaded correctly. Reinstall the bobbin case and confirm that it is latched into place.
Retest your machine. Slowly turn the handwheel and watch the needle descend and see if it picks up the bobbin thread. If not, then there is probably a sewing machine timing issue. Take it for service.
1. Clean up any loose thread in the bobbin area.
2. Pull on the bobbin thread while it is out. It should give a tension that is equal to the top tension of three. You'll have to approximate. Adjust the screw tension on the bobbin. It is the screw nearest to the thread exit hole on the side.
3. Put it back in.
4. Now, the top tension should be at about three. If it still allows a little wad on the bottom of the fabric you can adjust the top tension by tightening a small amount and monitor each time you adjust. The wad should go away.
Consult the owner's manual to make sure it is threaded correctly. Install a brand new needle making sure it is installed properly. Also, be sure to RAISE the presser foot BEFORE threading the upper thread.
If it is still not picking up the bobbin thread, the machine may be out of time.
Are you holding the end of the top thread whilst trying to pickup the bobbin thread? Put a BRAND NEW needle in - it may look OK, buy the slightest bend will be an issue. Is it the CORRECT needle for you machine? - check your manual. Is the bobbin in the case correctly and feeding out the correct direction? ...... timing may be out
Your sewing machine tension
controls the rate at which the thread is fed through either the upper
section of your machine or through the bobbin case. If your upper or
bobbin threads aren't threading properly, sometimes adjusting the
tension will correct this problem.
Your sewing machine works by
passing the upper thread through the needle of the sewing machine at
precisely the same time the bobbin brings its thread to its uppermost
position. If either the needle or the bobbin thread reach these
positions too soon or too late, the threads won't interact and create
the knots that make the seam. You can throw off your timing by sewing
too many layers of fabric or hitting a pin with your needle. See you
sewing machine repair facility to correct any timing issues.
Thread can get snagged or caught
in the upper section of your machine or on lint pieces in the lower
bobbin section. If your threads aren't catching properly, you may be
able to fix it by unthreading and rethreading both your upper thread and
Hi. You "feel" that the machine is threaded correctly? You should probably completely pull the thread out and start over, making certain that it is threaded correctly. Once that is done, double check to make sure the thread is pulled all the way into the tension discs. Make sure also that you have lowered the presser foot. Is the bobbin inserted in it's case correctly? Every aspect is critical to proper function. You may also want to revue your manual.