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Adjusting the Tension on Your Sewing Machine

You just finished sewing a seam only to find loopy loose stitches instead of a nice neat line of tight stitches. Does your thread constantly break? The problem is probably with the machine's tension. This is a guide about adjusting the tension on your sewing machine.
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September 29, 2014

You may need to adjust your tension dial with your fabric you are using and kind of thread, also adjust to thickness of fabric. Always use good sharp needles with your sewing and keep machine clean and oiled.

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Questions

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0 found this helpful
April 6, 2017

I had brought a mini sewing machine, but the stitches are not being made properly. If I sewed any clothes in that, I can pull the thread very easily from the cloth. Please help me in repairing my sewing machine.

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April 6, 20170 found this helpful

There is a tension adjustment knob on the machine. It's best if you can download the manual so that you can get directions for your particular machine.

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April 6, 20170 found this helpful

In addition to the tension make sure your bobbin isnt upside down, feeding the thread from the wrong direction.

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0 found this helpful
February 16, 2015

I'm having issues with my sewing machine's tension. I was using it just fine and then when I changed the setting from a straight stitch to zig zag and then back again, the tension is all off. It doesn't seem to matter how high I turn the setting (to increase tension) I still get loose, sloppy stitches, and the top thread is getting caught in with the bobbin thread and coming up with it. :( Does anyone know what's up and how to fix it?
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By Ashley D.

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February 17, 20150 found this helpful
Best Answer

I had that problem just a week ago. I had been sewing and changed stitches and filled the bobbin. Got back to sewing and it happened. I tried everything then took the thread out and got a different spool and it worked great. So you might try changing thread, put the tension back on original and rethread. Your thread spool might be to old.

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February 22, 20150 found this helpful
Best Answer

Re-thread as suggested by the first answer, making sure you're using the correct needle and thread for the fabric you're sewing. Yes, I know it was working fine until the zig-zaging but sewing machines will try so hard when straight-stitching that we can get by many times using all the wrong needles and threads - until we try to change the stitch pattern and then it's as though the machine woke up and said 'Oh hey wait...'.

More than likely though, what has happened is that there is a bit of thread or a chunk of lint/fuzz in the bobbin area somewhere. If you have the manual, use it as a guide (this problem is often addressed in the troubleshooting pages of a manual and includes diagrams showing where and how to clean) to open and clean the bobbin area.

Also using the manual, take some unwaxed-nonflavoured dental floss and floss the tension discs IF the discs are in a knob jutting out from the front of your machine.

Either or both should resolve your problem - if not, and especially if your machine is a vintage (older than 15-20 years) model, you more than likely coincidentally used the zig-zag feature just as the bobbin gear gave up the ghost. The bobbin gear teeth on most machines built after the mid-late Sixties are usually made of silicone, and these do wear after many sewing hours.

This isn't a home fix - look in your local telephone directory for the names of near-by authorised repair techs for your make machine (Singer, Brother, Janome, Viking, etc).

These people will have the knowledge, tools, and access to spare parts that most home sewers don't. Be sure to ask if the repair part is new or salvage and I strongly advise buying a new-under-warranty, comparable feature machine if the repair part is going to have to be salvage (no salvage part is EVER as reliable as a newly milled one). Also be sure to get a cost estimate before you even hand over your machine so you aren't given a nasty ticket shock at the end of the repair(s).

If you don't have the manual, you can usually download a free copy from the maker's website.

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February 16, 20150 found this helpful

I have a Singer 413 zig zag machine. What is the proper tension setting? How can I set it to a small stitch? There is no manual. Thank you!

By Linda H.

Answer Was this helpful? Yes
February 22, 20150 found this helpful
Best Answer

First of all - here's a link to a free download pdf from the Singer website for your machine:

http://www.sing  62f8ea588653.pdf

If the link doesn't take you straight to the download (my links usually go straight to the download but on occasion take you to the Singer support page instead), it will take you to the Singer page for finding the right manual - use the search feature and type in '413' (omit punctuation), then click on the free download. I always print these out and put them into a 3-ring binder for my sewing students and machine repair customers here in Scotland because it's so much easier to use the manual in a flat open configuration.

Now, the tension setting for zig-zag sewing should always be at least one number looser than for straight stitching, and depends on the fabric, thread, and needle you're using. It's not length that you need to determine and set for zig-zag sewing, too, it's width. That takes some experimenting using a test scrap of your fabric - Bonus, you'll also figure out your tension setting with the test swatch, too:)

The manual will tell you everything you need to know about setting the tension on your 413, and it will also show you how and when to adjust stitch length and width.

Happy sewing!

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Anonymous
March 4, 20170 found this helpful

couldn't be the problem with your pressure foot maybe it's not moving your material and the thread breaks after it goes in out of one spot for a long time

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0 found this helpful
April 14, 2016

I have a Kenmore 100 stitches sewing machine that was given to me after the service tech did not resolve the problem. When doing straight stitching the top thread loops on the bottom. It sounds like tension. Even with the tension on nine and the pressure foot down (I can't even pull the thread) it still it loops on the bottom.

I traced the top thread travel in the bobbin case and cannot find any obstruction. I am guessing it has to do with the take up on top. The tension spring "seems" to be okay. Also the bobbin tension is okay. I do not believe this has anything to do with top or bobbin tension, but with some kind of take up on the top.

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April 17, 20161 found this helpful

If the service tech couldn't resolve the problem, he/she was either not a qualified Kenmore tech (they're all factory trained on just about every model Kenmore ever made), or the machine is beyond hope (doubtful, it's a Kenmore!).

Have you tried using dental floss (unwaxed, non-flavoured) sprayed with 70% isopropyl alcohol to 'floss' the tension discs if the tension knob is on the exterior of the machine - if the tension knob is not located on the exterior of the machine, you can 'floss' the upper thread path, just use a very long piece of floss.

Any road, flossing your machine tension discs or upper thread path should remove even the tiniest piece of thread fluff that is likely the source of your problem.

The only other thing I can think of just now would be timing - the tech should have spotted a timing problem, though.

If flossing doesn't resolve your issue, you may want to give up on this machine. Or find a genuine Kenmore factory trained repair tech.

Reply Was this helpful? 1
April 19, 20160 found this helpful

Thank you for your suggestions.

Reply Was this helpful? Yes

0 found this helpful
December 15, 2015

I have a Singer One sewing machine. I just got it from my sister who took poor care of it. The thread holder is missing so I made a makeshift one, but I am having huge troubles working it. I don't understand how to thread or feed the material. I push and it does nothing, only when I pull does it properly "sew". Also, when I pull the material out to cut it and see if it's working, it usually snaps. I had my tensions at auto, then I changed it to 9. I also put it on the standard first button at 2.6 and then increased that to 3.5, but I'm still struggling to understand why it won't work, and along with that wasting a ton of thread.

Answer Was this helpful? Yes
December 17, 20150 found this helpful

Use this link to the Singer website free download of the user manual:

http://www.sing  181c4d143947.pdf

That's a beautiful machine with tonnes of fab features - it may need a visit to the repair tech for a good going over and cleaning, but give the user guide a try first as you may find all your questions answered and information on replacing that spool holder (usually less than a tenner including postage and packing).

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November 30, 20140 found this helpful

I have a White sewing machine that is from the 1960s. I am trying to sew a sheer fabric and I am using a #11 needle and Talon size 50 thread. I have replaced the needle, rethreaded the bobbin, rethreaded the machine, and still the thread loops on the underside. I have adjusted the tension on the top. What else can I do?

By Rose

Answer Was this helpful? Yes
December 5, 20140 found this helpful

Check your bobbin. Is it wound properly, using same thread as top stitch, is the bobbin thread put in correctly and is it in the correct direction? This may clear up your problem.

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December 8, 20140 found this helpful

Try a No 9 size needle, and be sure your feed dogs are set for the fabric you're using.

Also, try flossing (yes, dental floss, unwaxed:) the tension discs - it's done just the way you do your teeth! Wipe the piece of floss with some 70-92% isopropyl alcohol (not the green stuff, it's got oils in it!) and look for bits of lint and fluff on the floss; you may also see some 'grime' come back on the floss.

A last resort (as in very last resort!) try to adjust the BOTTOM tension by turning that teeny tiny screw in the bobbin casing a very teeny tiny bit left or right - try to sew a line as a test, if this helps but not enough, turn a teeny tiny bit again then test, and again then test, and again until your tension is sorted properly. Be VERY careful when turning that screw because...

If none of the above helps, it's time for a trip to the repair tech - among other things, the bottom bobbin tension gear may need replacing/adjusting and this is best done by a qualified tech - bottom bobbin tension is so delicate most manufacturers will state in the user guide that they really do not want the home user attempting to adjust it.

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November 25, 20140 found this helpful

I recently acquired a Singer 319W. I was sewing 2 pieces of fabric together and it worked fine. Then I doubled up the fabric, but when I started to sew, the needle stopped when it hit the fabric, but the wheel kept turning. When I went back to the original 2 pieces of fabric, it was fine. Help!

By Kris

Answer Was this helpful? Yes
November 28, 20140 found this helpful

Your machine may not be designed to sew through 4 layers of some fabrics. You can take the machine to a repair shop for an explanation of just what the machine is able to do and if a repair will help.

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December 4, 20140 found this helpful

Hiya from Scotland, Kris, where I teach sewing and do some vintage machine repair for my students - mostly on Singers!

Your Singer 319W Swing-Needle machine should be able to take that thickness of fabric as it was built to handle everything from chiffon to farm weight (leathers, heavy duty feed sacks, etc) - since it isn't, there may be several reasons why it isn't:

Did you adjust the feed dogs for the extra thickness?

Did you adjust your upper tension?

Are you using the correct needle and thread for the weight of the quadrupled fabric?

*Solutions for all of the above are listed in the user guide (owner manual), here's a link to a free download if yours has gone walkabout:

http://www.sing  a4ec0253dd97.pdf

And here's a neat free download of an actual scan of an original (ignore the K designation, all it means is that machine the manual was printed for was built here in Scotland at the Clydesbank factory - have a look and you'll recognise all the same parts as on your W, depending on model year, the slight differences are mainly cosmetic only:)

http://ismacs.n  chine-manual.pdf

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January 30, 20150 found this helpful

The top stitch is OK but from underneath you wll find a lot of clogged thread. Please help. Thnx.

By Marcon

Answer Was this helpful? Yes
February 1, 20150 found this helpful

When the sewing machine is clogged with thread below you have to take the bobbin case out and then you can use a brush for that purpose or a tiny screwdriver for the small hard to get to parts to get the thread out and then just reverse the procedure to get the bobbin case in and bobbin then your all set to sew again.

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November 23, 20130 found this helpful

I have a brother LS 2125. During sewing the top side of fabric is nicely sewed, but bottom side is in a mess. It is not properly sewed and loose. The thread breaks very easily. It's really very irritating. Attached a bottom side image for your reference.

By Abel

Answer Was this helpful? Yes
November 23, 20130 found this helpful

I typed an answer out and lost it! Arggh! Here's a link to another answer though.

http://www.thri  ing-Machine.html

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November 24, 20130 found this helpful

Hi Abel, hopefully the link MissRebecca posted helped you sort your problem:)

I'm guessing from the appearance of your loopy stitching that you have a side or front loading bobbin system, so to expand on the helps I've posted over the years (lol, see the link:), the problem you're having is stemming almost certainly from your bobbin loading technique.

If you have the manual for your machine, read through it carefully to be sure you're loading the bobbin case correctly into the machine. The front and side load bobbin systems are VERY tricky to place correctly and will always cause the problem you are experiencing if incorrectly loaded. If your machine hasn't been serviced recently, consider having it serviced by a qualified (factory trained is best, check the advert for those words) and ask him/her to check your loading skill. He/she can help you learn the best way for your specific machine to load the bobbin case into the machine.

If you have the money, consider a new sewing machine - the trouble you are having is very frustrating and can put a sewer off sewing altogether. I teach sewing here in the UK and try to steer my sewing students to top-drop in bobbin load systems. These systems are practically jam-proof and end 99.9% of all sewing frustrations.

Good luck, please update and let us know what turned up with your machine!

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January 7, 20150 found this helpful

My stitch on top is messing up; the bottom stitch is fine.

By Marcie

Answer Was this helpful? Yes
January 15, 20150 found this helpful

Depending on the age and condition of your machine, the problem could be anything from lint and fuzz clogging the tension discs to incorrect thread - needle - tension setting for the fabric you're trying to sew.

Sorry I can't be more help. Use your owner guide (if you've lost yours you can usually download a free copy from the maker's website) to troubleshoot and be sure you're using the right thread, needle, and settings for your machine and fabric - there will be a chart or table outlining the correct items to use for each sewing job.

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June 18, 20140 found this helpful

I am having tension problems on an industrial Juki model # LU-562 machine. The tension is going from fine to loose as I sew. When it's loose it's on the top. The bottom is fine.

By Carol I.

Answer Was this helpful? Yes
June 23, 20140 found this helpful

Have you checked to be sure you're using the correct thread and needle for the fabric, and have you adjusted the upper tension with the pressure foot fully raised?

If the above doesn't help, the thread tension changing mid-stitch could be a problem you cannot solve at home.

The tension discs could be worn out OR clogged with lint/thread fluff in a place dental floss won't reach; also, the tension adjustment gear could be worn, or the bottom tension (on the bobbin case, do not try to adjust this at home!) could have been knocked out of place.

Without looking at the machine (I do limited repair and servicing on mostly Singer domestic machines here in the UK), the best advice I can give you is to take this to a qualified repair tech - someone with extensive industrial machine experience.

When was the last time you have the machine serviced? An industrial machine needs the same (if not more) regular servicing as a domestic one but the tech needs to be qualified on an industrial machine - you'd be amazed at how different the insides of a domestic machine is from an industrial one! A qualified tech will have your machine clean, oiled, and repaired so you can get back to sewing - please update and let us know what the problem actually was:)

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0 found this helpful
March 9, 2010

I have a problem with my sewing machines. I have 2 different brands, different ages, but the same problem with both so I'm sure it's me and not the machine.

Here's my problem. The tension keeps being so tight it breaks the thread. Also, the thread keeps getting all tangled up in the bobbin area. Can anybody tell me what I'm doing wrong?

Since I'm sure it's me and not the machine I refuse to buy a 3rd one. Plus I took both of them in last year for repair and the first time I went to use them I had the same problem. So, it's got to be me.

By Cricket from Parkton, NC

Answer Was this helpful? Yes
March 12, 20100 found this helpful

Make sure you have the machine threaded right. I was shown the wrong way, and finally figured it out myself. Once it was threaded right, no more broken or knots. If you get too much slack in the thread, it gets wrapped around where you can't see, and it breaks too.

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March 12, 20100 found this helpful

Double check that you have the bobbin turning the correct direction. That was a problem a friend found out was causing her problem. Start from the beginning to make sure evrything is threaded right. Don't give up!

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April 4, 20140 found this helpful

I have a relatively new Brother x-5. It was working fine til my latest project when my upper thread seemed to gradually loosen. Adjusting it with the dial did nothing. Now it's a complete mess and I have no idea how to fix it. I re-threaded, cleaned the mechanism and even adjusted the bobbin, but no improvement. How do I fix this? (photo is of the reverse side of stitching)

By Jane

Answer Was this helpful? Yes
April 7, 20140 found this helpful

You may have a problem with the tension discs inside the machine. Since you write it's a fairly new machine it may still be under warranty in which case a visit to the Brother sewing repair tech is in order and shouldn't cost you anything. If not still under warranty, a repair will likely cost you under $100 (closer to $50USD).

But first, are you absolutely certain you have seated the bobbin correctly? Use your manual to go step by step through the process of seating it correctly - if that doesn't solve your problem, and you can answer YES to the following questions, it's definitely time for a trip to the repair tech:

Are you using the correct thread, needle, and presser foot for the fabric?

Have you followed the user manual instructions for clearing lint and thread bits from the bobbin case area?

Again, are you certain you are seating the bobbin back into the machine correctly?

Are you sure you've got the settings on the machine correctly chosen?

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0 found this helpful
September 21, 2010

I have a Janome 423s. The bobbin thread runs along the bottom of the material. What is causing this? I have tried fixing it but with no luck.

By karen65ae from UAE

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September 21, 20100 found this helpful

http://www.fixy  tags/janome_423s

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September 21, 20100 found this helpful

You can try www.retrevo.com and see if you can get any info. It's free.

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