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Why does the top thread wind around the bobbin on my Deco 650

I have changed fabric, the needle, thread, and the tension

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  • Sewing Machines Master
  • 1,860 Answers

Try using a can of air in the bobbin area, also check for lint or loose threads, make sure the bobbin is turned correctly in the bobbin case, try a different bobbin.

Posted on Dec 02, 2014

Testimonial: "Thanks Debbie for your answers. I will try once again to work with it. I live in Africa so its not easy to take it in somewhere!"

  • 2 more comments 
  • Bonnie Clark
    Bonnie Clark Dec 02, 2014

    I have cleaned the bobbin area, put a new bobbin in, changed thread, needle, fabric and adjusted tension. Any new suggestions? Thank you for helping!!

  • Debbie Dec 03, 2014

    I know this may sound silly but make sure that every thread guide is used, the last thing I would suggest is the machine may need the timing checked

  • Debbie Dec 04, 2014

    try this--When you thread the machine, do so with the presser foot up.

  • Debbie Dec 04, 2014

    go to youtube they have some video's,,type in top thread winds around bobbin and see if one will help you.

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1 Answer

The tension on the top is out of sync. Don't know what to adjust. Help


Since we don't have a clear picture of what is happening, we can't offer much in the way of advice. Here is something to try:

Remove the top thread from the machine.
Be sure to install a brand new needle.
ALWAYS RAISE the presser foot and rethread the top thread from the beginning. Verify the thread path is correct.
Remove the bobbin and rethread it into the bobbin case and install it in the machine. Make sure the bobbin is turning the correct direction in the bobbin case.
Set the top tension to the midway point (the factory standard tension).
Retest the machine.
HINT: Thread issues appearing under the fabric are usually a top thread problem. Thread issues appearing on top of the fabric are usually bobbin related.
If top thread is showing under the fabric, tighten the top tension.
If bobbin thread is showing on top of the fabric, loosen the top tension.
If problems continue, the bobbin tension may also need to be adjusted. HOWEVER, that is a last resort and a very tricky change to make. Be sure to mark where the tension screw is set BEFORE making any changes to the bobbin tension screw (so you can reverse your changes if it doesn't work).

You can also try changing the type & size of needle and the brand/weight of thread. AVOID old or bargain bin threads. Your needle choice, thread, and fabric should be compatible. Using the wrong needle can cause huge problems with stitching success.

Understanding Thread Tension Threads

Feb 14, 2018 | Sewing Machines

2 Answers

I have a deco 600....it keeps on jamming. The top thread gets entangled with bobbin and the machine jams fast and the needle breaks.


try adjusting the needle thread right up to stop the bunching of thread that is causing the problem

Oct 16, 2016 | Sewing Machines

1 Answer

I have a Bernina Deco 330, I am having issues with the Bobbin thread coming through on top of design. It is also tieing the knot in top of the fabric. The design will be flipped, the smooth side on back of...


A few things to check. Is the upper thread caught? You can test the upper tension, that could be pulling up the bobbin thread, by putting a size 80 needle in the machine. Put the presser foot down and pull on the upper thread it should bend the needle about an 1/8 inch when the tension is at 5. Also check the threading is done correctly and not catching on a thread guide.

Sep 02, 2013 | Sewing Machines

1 Answer

Pfaff 2046 tension problems, needle breaks


Needle breaks
1.the needle is damaged
2.the needle is not correctly inserted
3.wrong size needle for the fabric
4.the wrong foot is attached
5.the needle clamp screw is loose
6. Top tension is too tight--loosen off one letter or number till the stitch
looks normal
7.make sure that every thread guide is used when winding the
bobbin,, so that the bobbin will wind tightly, if this doesn't help,,
then it's possible that the bobbin winder needs adjustment,, it needs
to be taken to a sewing machine shop

Aug 15, 2012 | Sewing Machines

1 Answer

The thread keeps coming off the needing when i sew


Hello

I would suggest that you revisit the threading up in your manual and double check that the top thread is under tension.

However, if the stitiching on top of the fabric is wonky, this is your bottom tension too loose, and if stitching on the the underside of the fabric is loose, its the top tension causing it.

Quite often bobbin winding can be the cause of bad stitching so pull out the manual and wind a bobbin carefully following the instructions, making sure that the thread is under gentle tension as it winds. What you don't want is for the thread spool to bounce around as it unwinds onto the bobbin as this gives uneven tension of the thread and when you then stitch a seam, the thread relaxes in different amounts causing puckering.

So wind at 3/4 speed, and gently guide the thread onto the bobbin so it fills evenly across the whole core. And ensure there is tension on via a tension guide if your machine has one. If not, then place the curved handle of your scissors onto the top of the thread spool and hold it there as you wind, which holds the spool down and keeps the thread coming off it smoothly.

Always raise the pressure foot when you thread the machine so the top thread goes into tension fully. And new needle for each new sewing job is really important, make sure it is the right size and type of needle for the fabric you are sewing.

Aug 02, 2011 | Brother LS-2125 Mechanical Sewing Machine

2 Answers

Hi I am having problems with the top tension on my Singer 2662. I am following the instruction manual but nothing I seem to try works. Or it works for a while and then the next time I sew I have problems...


I would suggest that you revisit the threading up in your manual and double check that the top thread is under tension.

However, if the stitiching on top of the fabric is wonky, this is your bottom tension too loose, and if stitching on the the underside of the fabric is loose, its the top tension causing it.

Quite often bobbin winding can be the cause of bad stitching so pull out the manual and wind a bobbin carefully following the instructions, making sure that the thread is under gentle tension as it winds. What you don't want is for the thread spool to bounce around as it unwinds onto the bobbin as this gives uneven tension of the thread and when you then stitch a seam, the thread relaxes in different amounts causing puckering.

So wind at 3/4 speed, and gently guide the thread onto the bobbin so it fills evenly across the whole core. And ensure there is tension on via a tension guide if your machine has one. If not, then place the curved handle of your scissors onto the top of the thread spool and hold it there as you wind, which holds the spool down and keeps the thread coming off it smoothly.

Always raise the pressure foot when you thread the machine so the top thread goes into tension fully. And new needle for each new sewing job is really important, make sure it is the right size and type of needle for the fabric you are sewing. if you aren't sure what size is right www.sewing.about.com has great tips and general machine info, plus needle guides.

Jun 11, 2011 | Singer 2662

2 Answers

Just got my used Bernina deco 650 from the shop. Tension off


The tensions are not calibrated properly. To get by, or if you do not want to take it back to the shop, just lower the upper tension a little at a time until it looks ok.
I have 25 years experience working on sewing machines

Jun 29, 2009 | Bernina Bernette Deco 600

1 Answer

Bernina Deco 650 Top thread is winding around the bobbin


You should use some klnd of stabilizer under your hoop. I use the paper kind which is thin or there is a heavier tear away stabilizer. I have used all cotton thread for embroidery or you can use rayon. There is a finer thread called bobbin thread for the bobbin but I gernerally use the same as on the top so it will be the same. Are you using an embroidery needle? .As for your thread getting wound around the bobbin the only thibng I can think of is tht it is threaded incorrectly. if it isn't the lack of a stabilizer. I hope this helps but I think it the the lack of stabilizer that is causingyour problems. The needle is going in and our of the same hole during embroidery and is getting stuck on your bobbin. Let me know if this helps! Suz

Jan 17, 2009 | Sewing Machines

1 Answer

Necchi sub22 - threading info / bottom stich/ spool


This may be of help:

How to Thread Necchi Sewing Machine

Even though your machine is probably a different model, machines generally thread the same.

Something that may help is ALWAYS RAISE the presser foot when threading the top thread. This allows the thread to seat fully in the tension disk and helps eliminate those loose threads under the fabric.

If the bobbin thread still just lays on the fabric, the top tension is too loose. Tighten the top thread tension so it will pull the bobbin thread up into the fabric. Tension is a tug-of-war between the top and bobbin threads. Neither should win nor lose. Tension is accurate when both threads meet in the middle of the fabric. Also, keep in mind that tension is not static, ie it will most likely need to be adjusted whenever you begin a new project because the thread, fabric, needle, and stitch selection can change the tension.
http://www.threadsmagazine.com/2008/11/02/understanding-thread-tension

You shouldn't need a separate spool for the top thread if your machine has the vertical spool pin. Most spools will work unless you are trying to use the huge spools that are made for sergers. In that case, you can wind thread onto a bobbin and then use the loaded bobbin as your top thread--in effect, you would wind 2 bobbins, one for the bobbin thread and one for the top thread. If my thread spools are taller than the spool pin (causing the spool to flop around when I stitch), I simply slip a plastic drink straw over the spool pin and, Voila!, the spool pin is taller than the thread spool.

Another helpful hint: AVOID using old or bargain bin threads. Quality thread will limit a lot of sewing problems and frustration.

Install a brand new needle every 8 hours of sewing time. Frequently, problems are a result of using old, damaged, or dull needles. When having problems, the first course of action is replace the needle. A lot of time can be spent trying to find resolutions to a problem when a brand new needle is all that's needed. If you hear the needle strike something strange, it's probably best to replace the needle as it has probably been damaged or bent. A hard strike of the needle can knock the machine out of time which would require a visit to the service repairman.

Second step to problem resolution--rethread the machine. Remove the thread completely from the machine and start over from the beginning. Verify the thread path is correct.

Also, using the correct needle type and size for the project is important. Don't use needles whose eyes are either too small or too large for the thread. Use a needle made for the type of fabric and project. Use embroidery needles when embroidering, use ball point needles for knits, use sharps (universal, microtex...) for woven fabrics, leather needles for leather, denim needles for denim/heavy fabric, etc.
https://www.schmetzneedles.com/all-about-needles/

Last but NOT least, perform maintenance on your machine every 8 hours. Clean lint and loose threads from the bobbin area, the feed dogs, and under the needle plate. OIL (use good quality sewing machine oil) and apply just a drop or two every place according to the manual. Do NOT use 3-in-1 oil, cooking oil, motor oil, WD40 or any oil other than fresh, good quality sewing machine oil!

...

Dec 22, 2017 | Sewing Machines

1 Answer

Kenmore sewing machine older model 1345381


hi! there wind thread on bobbins winder 4 times by your hand rotate clockwise,insert in shaft bobiins winder on top of your machine near hand wheel push latch to engage loop thread on disc winder tension start your machine on pedal foot automatically winder disengage if already filled up of thead pull this winder and insert to bobbins casing insert thread to slot and pull out winder 6411c87.jpgshould rotate clockwise as shown.insert on shuttle hook casing and close cover needle plate.next thread your upper

97b52e8.jpgthreading tension as shown on red threading from spool pull threading and loop to dial tension threading and insert thread to lever needle and to needle hole tip. pull tread under the needle foot and feeder tooth.rotate hand wheel counter clockwise to hook up thread bobbibs and appear at top of needle plate,teo thread shoul appear,set dial tension to # 3 and stich to # 8 range to # 12 depend on fabric and layer of fabrics and set on straight stich sewing,let needle on upper position insert fabric for trial sewiing.put down foot needle lever. manually by hand rotate for assurance needle is free to sew if obtruction on loop bobbins thread occurs adjust all tension gradually then try again until free from sewing w/o problem star sewing.

Aug 08, 2008 | Kenmore Drop-In Bobbin 505S-21BH...

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