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I have an old Singer 29-4 leather machine. With both upper and lower thread tensions adjusted, the thread keeps breaking on about the third stitch in, any idea why?

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Posted on Jan 02, 2017

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SOURCE: thread breaking.

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Posted on Feb 20, 2008

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347 singer Bobine setting

Posted on Dec 30, 2007

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SOURCE: Brother LS-2125 Upper Thread Snapping

I had the same problem and it was so frustrating! It was happening to me because I wasn't using the right size needle. Go up a couple of needle sizes and see if that helps.

Posted on Mar 09, 2009

  • 1 Answer

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need needle threading instructions singer 3116 simple. pictures would help. thank you

Posted on Mar 15, 2009

  • 26 Answers

SOURCE: Tension

I answered this a couple days ago but don't know if it went through. I can sew through 6 or more layers of denim with my 226, no problems at all. In my 30 years in the upholstery business I never had a problem sewing leather, vinyl, canvas or multi-layers of fabric. The 226 Consew, the 111W and 211w Singers I had presented zero problems with heavy fabrics - and I don't consider vinyl "heavy".

You need to first of all check threading. If the machine's threaded wrong you're break thread. Also you need to oil under the bobbin case and the bobbin hook and the rest of the parts as well.
Then, loosen thread tension on top by turning the knurled knob that's on the spring that's holding the tension discs. Also loosen bottom tension on the bobbin case by turning the small, left-most screw on the outside of the bobbin case counter-clockwise. Do both with the presser foot down. Pull the thread(s) out and feel the tension. You should be able to pull the threads out with some little effort. Tighten both a little at a time until you get some tension. Run a couple seams and check where the threads meet in the fabric. They should meet in the center. Also check stitch length. If you're using 92 thread (is should be left twist), you should run the machine at about 6 - 7 stitches/inch. I'm running my machine at 5 - 5 1/2 with #69 nylon bonded, and 6 - 6 1/2 with #11 mono.
One more thing; if tension's too loose at the bobbin or top, the machine will jam in the bobbin and thread will break.
Go to www.consew.com and download a pdf owner's manual for free. You need to click on the 224. That machine, the 225 and 226 are the same.

Posted on Aug 31, 2009

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2 Answers

The upper thread tension keeps breaking the thread, no matter how low I set the tension. How do I fix it?


Not a technician, but I had same issue not long ago, it was old dried out thread. Once I replaced with new thread, no more issues. Something easy to try. Also might want to double check to make sure no thread is between the pressure plates. I use canned air to spray them out once in a while between annual cleaning.

Apr 21, 2016 | Singer 8770 Curvy 225-stitch Computerized...

1 Answer

I need elp with tension on singer cg550


You didn't explain the symptoms. Is the thread bunching, looping, knotting under the fabric? Is the bobbin thread rising to the top of the fabric?

If it is bunching under the fabric, it is probably what is called thread nesting or bird nesting. There are several fixes, sometimes more than one fix is required to resolve the issue.

Be sure to clean under the needle plate, around the bobbin, and the feed dogs. If the machine has instructions for oiling, follow the directions using a fresh, good quality sewing machine oil and apply only 1-2 drops each spot.

Install a brand new needle. Make sure you are using a needle compatible with the thread and fabric being used. All About Needles
Best practice is to use the same thread in both the upper and bobbin. Also, avoid old or bargain bin thread. Spend an extra couple of dollars to reduce frustration and increase success with your machine. If you wish, you may use two different colors of thread to test so you can easily determine what is happening with the tension.

Remove the thread from the machine. RAISE the presser foot and rethread from the beginning--the thread needs to be seated firmly in the tension disk. Verify that the correct thread path is followed (consult the owner's manual).

Set the upper tension to the midway point between high & low numbers (this is the factory standard and is a good place to start, but every machine is different and may need adjustment).

Confirm that the bobbin is installed in the bobbin case (turning the correct direction) and that the bobbin case is threaded properly.

Before beginning to stitch, hand rotate the handwheel one rotation and pull the bobbin thread to the top of the fabric. Then, gently hold the thread tails in the left hand and slowly begin to stitch.

Test.

If thread is bunching, looping under the fabric, the upper tension is too loose. Tighten it and retest. On most machines, the lower the tension number, the looser the tension.

If the bobbin thread is rising to the top of the fabric, the upper tension is too tight. Loosen the upper tension and retest.

Keep adjusting and testing until it is where you want it. Generally, tension is correct when both threads (upper & bobbin) meet in the middle of the fabric. FWIW, tension is static and should be tested and readjusted every time a new project is begun. The needle, thread, and fabric will affect the tension, so it is important to get comfortable adjusting the tension.

Also found the following reviews. Appears that some users have had tension issues with their CG550.

Amazon com Customer Reviews Singer CG 550 10 Stitch Commercial Grade...

..

Mar 17, 2016 | Singer CG550 Mechanical Sewing Machine

2 Answers

My thread keeps bird nesting on the bottom of my fabric what am I doing wrong? What are the correct settings for a straight stitch?


Is your bobbin threaded correctly? You should be able to pull out the thread slowly while feeling it very slightly holding back. It should not pull out easily or quickly.
Could be something wrong with your tensions, try adjusting the upper tension first by starting at the middle setting and working gradually higher and then lower till you get a neat even stitch.

Nov 29, 2015 | Sewing Machines

2 Answers

How do you to keep the tension on older Singer sewing machine. Also, what causes the timing to need adjusting and is it something I can learn to do or do I need special tools?


Setting tension is a basic part of using a sewing machine that you can (and should) learn to do for yourself. Different threads, fabrics, and stitches sew best with different degrees of stitch tension. It takes some time to learn, but it is easy to tell when it is way off because there will be loops of thread from either the bobbin (lower tension) or spool and needle (upper tension). Generally, as long as your bobbin is threaded correctly, you will almost never need to adjust your lower tension. Your upper tension functions from a single knob, all you need to do is turn it a little higher or lower while testing your stitch on a scrap of the fabric you will be working with.

Timing is a more complex issue. Since you don't know how to adjust tension yet, I can jump to the conclusion that you are a novice, so I would leave timing adjustments to a more experienced professional. If the timing needs repeated adjustment, don't take it back to the same machine shop: if it is done properly, the timing should be fine for a long time, and some machine shops are unscrupulous enough to charge for repairs they did not do.

Oct 06, 2015 | Singer Sewing Machines

2 Answers

How to adjust the bobbin tension.


According to the manual, you should not need to adjust the bobbin tension (and I located other sites which stated the bobbin tension cannot be adjusted on this machine). Apparently, all the tension adjustment is accomplished through the upper thread::
"EN Thread Tension Upper thread tension Basic thread tension setting: "4". (1) To increase the tension, turn the dial to the next number up. To reduce the tension, turn the dial to the next number down. A. Normal thread tension for straight stitch sewing. B. Thread tension too loose for straight stitch sewing. Turn dial to higher number. C. Thread tension too tight for straight stitch sewing. Turn dial to lower number. D. Normal thread tension for zig zag and decorative sewing. Correct thread tension is when a small amount of the upper thread appears on the bottom side of fabric. Lower thread tension The bobbin tension has been set correctly at the factory, so you do not need to adjust it. Please note: - Proper tension setting is important for strong seams. - There is no single tension setting appropriate for all stitch functions, thread or fabric. - A balanced tension (identical stitches both top and bottom) is usually only desirable for straight stitch construction sewing. - 90% of all sewing will be between "3" and "5". - For zig zag and decorative sewing stitch functions, thread tension should generally be less than for straight stitch sewing. - For all decorative sewing you will always obtain a nicer stitch and less fabric puckering when the upper thread appears on the bottom side of your fabric. 1 A B C 22 D"

Doing further research, I found this statement on a machine review site:
"After reading reviews online from where I've bought my drop-in bobbin machines, I think many of the negative reviews are due to the bobbin thread coming up without laying across the bobbin. It can cause the stitches to look very sloppy and no amount of tension adjusting can fix the stitches."

There are several machine review sites wherein 4423 owners stated their disappointment in the 4423's performance. Some said the machine failed almost immediately and others said the machines developed problems when sewing heavy fabric.

Apr 26, 2015 | Singer 4423 Sewing Machine

1 Answer

My viking emerald 118 machine just started breaking needles and the bobbin thread will not hold. YOu can pull the bobbin stitch out by pulling the thread.


Check the upper tension by lowering the presser foot and pulling on the thread through the needle. You should feel resistance. If not, take a stiff brush and clean out the tension disks/dials removing any loose threads or lint. If upper tension is ok, check bobbin tension by pulling thread through needle plate opening. You should feel resistance. If not, remove bobbin case and brush any loose threads or lint from the case, especially in the tension spring where the thread is snapped into place. You may need to use a sharp needle to dig in between the spring but be careful that you don't damage it.

Jun 17, 2014 | Husqvarna Viking Emerald 116 Sewing...

1 Answer

The machine isn't making stitches. It's threaded correctly. I have been sewing leather recently and it's been acting up since then. I have cleaned the bobbin area. And have adjusted the tension...


Hello

Adjust the Stitch Length;

To make longer stitches, set the stitch length to a higher number. On many sewing machines, four is the longest possible stitch length and two is average.

To make shorter stitches, set the stitch length to a lower number. At a zero, the sewing machine may not actually make stitches, since the needle will go up and down in one place.

Cut a small scrap of fabric, preferably the same type you want to sew with.

Sew a few test stitches on the scrap. Examine the stitches to make sure they're the length you want.

Adjust the stitch length again as needed.

Jul 12, 2011 | Singer Sewing Machines

1 Answer

I have recently bought Singer Quantum 9940 and I am not happy with the stitch. For zigzag stitch, I can see too much of the upper thread on the bottom side. This happens unequally: more on the right hand...


1. Make sure your needle is correct for the fabric. Go buy some good needles in several sizes. You'll need a 90 for jeans, rounded points for fine fabrics... get a few sizes. Your manual should provided you with clues to the right needle for the fabrics. (BTW... there really is no such thing as a Universal Needle... toss it.)

2. Re-read your manual and carefully follow the instructions on threading the bobbin and the upper thread...

3. Check your tension on the upper thread... it is too loose for the application. The tension on the bottom thread is handled by a spring on your bobbin case or race. If you do not have that threaded properly you'll have problems. Same with the direction the bobbin turns... have in it backwards... problems.

Barring all these things... It might be time for a qualified Singer repair person to look at it. Sadly Singer has seriously lowered it's standards in the last 20 years.

Feb 05, 2011 | Singer Quantum 9940 Computerized Sewing...

1 Answer

Skipping stiches


1) It’s possible the machine is threaded incorrectly. Remove the thread completely and rethread the machine. Be sure to use good quality thread--don't buy the cheapest you can find. A good thread will help your machine perform better and your projects last longer.

2) Poor stitch quality can be caused by the needle. Make sure you're using a new needle that's right for the job. Many times machines are taken in for repairs and all they need is a new needle. If you can't remember the last time you changed the needle--it's past time. Needles should be changed at least every eight hours of sewing.

3) When inserting a new needle, make sure the flat side of the needle faces away from the bobbin area. For example, if your machine has a frontloading bobbin, the flat side of the needle faces the back of the machine. If your machine has a side-loading bobbin, the flat side faces the right side of the machine. Some older sergers require special needles that don't have a flat side. Refer to your owner's manual to properly install a serger needle.


4) Thread that shreds or breaks can be blamed on the needle. Use a good thread and make sure the needle eye is large enough for the thread type. Also use the right type of needle for the fabric;
5) The machine tension adjustments put stress on the thread so it doesn't simply flow through the machine. When the upper and lower tensions are balanced, the stitch forms correctly. Tension is easy to adjust--stitch on fabric samples with a different thread colour for the upper and lower threads. Observe the stitch, adjusting the tension until the stitch is formed correctly. As a general rule, adjust the upper tension first. If the stitch still isn't right, adjust the bobbin tension.

Feb 26, 2008 | Singer 2662

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