Question about Singer Sewing Machines

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Singer 4623 bobbin thread won't catch

I've tried cleaning my machine, rethreading, checking all the tension controls, the bobbin is put in correctly. It will not sew properly! The thread will not catch the top thread and then it bunches up in the bobbin compartment. I was sewing with no problems and then i went to sew another peice of fabric and it started to do this.

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Hi! Did you by chance, change your needle? If so, make sure you have the flat side of the needle shaft facing the correct direction. If the needle isn't in all the way or the flat side of the shaft facing the right way, the bobbin thread won't pick up.

Let me know if this helps, ok?

Happy Sewing!

Posted on Feb 10, 2010

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Here's one, have my 3rd singer (the only thing Simple was me for buying it)

The upper thread just goes around the pin that the bobbin sits around.

The vendor was gracious in exchanigng twice, by the way,
machine #1 sewed for 92 days, singer's warranty is 90 days, & only for parts,
they generally say it's a timimg issue, (all labor, no parts, )
& oh,
there's a deductible
I guess the solution is don't buy a singer
they used to be very reputable
but, chose mass production

Posted on Apr 18, 2010

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Posted on Jan 02, 2017

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1 Answer

I have a Baby Lock Audrey. The bobbin thread is "nesting". I have tried rewinding the bobbin and rethreading the needle and bobbin thread but that hasn't helped.


Check that it is actually the bobbin thread that is nesting. Generally, bobbin thread issues appear on the top of the fabric and upper thread issues appear on the underside of the fabric.

If it is in fact the bobbin thread, the bobbin thread tension may be off or malfunctioning.

If it is the upper thread nesting under the fabric:
1. Remove the thread
2. Install a brand new needle
3. ALWAYS RAISE the presser foot. This releases the thread tension so the thread will seat properly.
4. Rethread from the beginning and check the thread path is correct.
5. Set the upper tension at the midway point.
6. Check that the bobbin thread is loaded properly
7. Retest the machine.

If it continues to create thread nests under the fabric, tighten the upper tension.

...

Jun 22, 2016 | Baby Lock Sewing Machines

1 Answer

Bobbin tension


adjust the top thread tension and see if that helps the bobbin tension
stitches.

here is a link for a free manual for the machine
http://www.singerco.com/uploads/download/545_7470-instruction-book-engfrespa.pdf

Feb 27, 2013 | SINGER 7470 Sewing Machine

3 Answers

Tension of pe770


Besides the other advice here, check your bobbin case. At first I didn't get my thread hooked into the bobbin case properly and had problems that looked like the bobbin tension was not adjusted properly. I have to take the case out, put in the bobbin to make sure it's caught properly and then put it back into the machine. This is what worked for me.

Mar 14, 2012 | Brother PE770 Computerized Sewing Machine

2 Answers

My needle thread keeps breaking. I've tried different thread (top and bobbin), a new needle, and I opened up the bottom plate to clean out lint. I have also tried adjusting the thread tension.


Are you sure you have got the top thread threaded correctly including the take up lever? Start at the thread spool and follow the thread all the way through the thread path checking that it is not snagging on anything enroute and that the thread is correctly through the tension device. Also tension dial should be on 4-5, if its higher this could be breaking the thread. YOu should not need to adjust top thread tension more than a half increment at any time.

Other possibility is that the bobbin holder under the needle plate has moved out of alignment and then the top thread is catching there as it goes around the hook.

If you check your manual it should give you instructions on removing the needle plate (2 screws need to come out), then you can lift the bobbin case out towards you, clean underneath with your little brush, then reinsert it. There are two little red marks on the right side of the bobbin case and a stopper, these need to be lined up. Then put in bobbin and rethread into tension spring, replace needle plate, bobbin cover, and test stitch.

Hopefully one of the above is causing the thread to break.

Aug 02, 2011 | Janome Memorycraft 6500P Computerized...

1 Answer

Since my needle tip broke, the stiching is loose on the underside. I have replaced the needle, rethreaded it several times, put a new bobbin in and it still has loose threading on the underside. I have...


Loose stitches on underside is a sign that the top thread is not under enough tension. So you need to check that the tension dial is set to correct setting (usually 4 or 5) and that the top thread is actually in the tension discs. Always thread up with the pressure foot raised to ensure the tension discs are wide open so the thread seats in fully.

So unthread top and rethread checking thread goes into the tension device fully. Lower pressure foot and pull on the thread after the tension device - it should feel firm.

Also check thread is lying in the take up lever correctly.

If you can't get it threaded up and feel tension on the top thread, then something is up with the top tension device.

You could try to clean the tension device, how you do this varies with different models but if you can access the discs, then turn tension to zero and 'floss" between the metal discs with a selvage edge of a clean piece of waste cotton fabric, if gunk comes out, keep cleaning. Refer to your manual if you've never cleaned the tension device out before. Remember to reset tension back to normal setting afterwards, rethread and try again.

If after trying these things, you can not feel any tension on the top thread, then the tension device may have broken and you'll need to take it for a service.

Jul 19, 2011 | Sewing Machines

1 Answer

My bobbin keeps bunching up. I've changed the tension to 2, taken the bobbin case out, used a different bobbin....I don't know what to do. My machine is a month old and I've used it, maybe 4...


Put the tension back up to about 5. Rethread the machine entirely, and make sure you have the pressure foot in the up position when you rethread. If your getting bunching on the bottom, it's probably your top thread that's bunching up. After you rethread, put a small piece of fabric under the pressure foot, lower the pressure foot, and turn the handwheel in the forward direction and watch the thread as it comes around the bobbin case. If it goes around smoothly, try it with the foot control. If it hangs up as it goes around the bobbin case, you might have a burr on the black plastic bobbin case. Take it out, check for any burrs, sand them down, and try again.

May 07, 2011 | Brother SE350 Mechanical Sewing Machine

1 Answer

Bottom thread too loose; tried rethreading top thread, cleaning bobbin case, refilling bobbin, changing needle, adjusting top tension


Check for correct bottom thread tension.
It's provided by a flat spring on the bobbin holder.
When the bobbin is correctly installed, pulling on the thread
should meet with slight resistance, and the bobbin should spin without
trying to jump out of the bobbin holder.

Dec 18, 2010 | SINGER 7470 Sewing Machine

1 Answer

When I sew, the topstitch looks fine but when I turn it over, there are large loops of thread?


clean under the needle plate where the feed dogs are for lint
also clean in the bobbin area for lint or loose threads
also check the top thread tension--try 3 or 4
rethread the machine top thread & bobbin
make sure the bobbin is wound correctly- if it's not wound correctly it will cause sewing problems
also change the needle

Nov 17, 2010 | White Sewing 1418 Mechanical Sewing...

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