Question about Bernina Artista 170

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Upper tension on bernina 165

Fixing upper thread tension

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What is wrong with it? is it too loose to tight? not working? more information is needed

Posted on Apr 25, 2013

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Posted on Jan 02, 2017

SOURCE: Bernina 801 Sport

Did you clean out the lint under the plate?

Posted on May 18, 2008

  • 8 Answers

SOURCE: bobbin tension

Bobbin Tension Adjustment:

1. Do you have a genuine Bernina bobbin casing and not an Oriental copy? If yes, proceed as follows:
2. To set the bobbin tension, wind a genuine Bernina bobbin with Metrosene thread, type 1161 white thread as your "gaging thread". Load the bobbin case so that the bobbin turns CW. Attach the bobbin case to the hook body from the machine. Wind a couple of revolutions of thread around your index finger with the assembled bobbin case and hook body dangling about 6" to 12" below your finger. Gently and rapidly move your finger back and forth in a "sideways" motion about 1/4" to create a gentle vibration on the bobbin assembly. (Do not shake the bobbin assembly up and down). When the tension is right, the bobbin assembly should fall slowly and as you stop the movement, the assembly should stop.
The adjustment is found on the small screw, holding the flat tension spring against the bobbin case. If the tension is too tight, one must loosen the screw (past) the desired location and always make the adjustment by tightening to the correct position.

There are other checks for tension imbalance and associated problems on the bobbin case that I won't go into here. For further information I can help you later on.

Top Tension Adjustment:

1. The top tension rarely changes and can be depended on throughout the life of that machine providing that tension assembly is maintained occasionally. This can be done by blowing out the tension disks with the presser bar lever in the up position. One can also drag or pull a piece of sized percale or muslin through the disks with the presser bar lever in a down position. Perhaps both methods can be employed.
2. Load the top of the machine with Metrosene 1161 thread in a dissimilar color. I prefer to use a pastel color so as not to create an optical illusion of imbalanced tension.
3. Sew a satin stitch (.25 on the Nova 900) in sized cotton muslin with a thin piece of paper between two plys of fabric. The width should not exceed 4.5mm (standard width on the 900 Nova), however the newer machines have wider stitch widths so one must adjust as specified. The result will be a slight amount of top thread in symmetric lines on both the right and left sides of the satin stitch.

Typically, the top tension will not need adjusting. If the Nova 900 needs adjustment, please ask for additional help.

Posted on Nov 28, 2008

  • 6 Answers

SOURCE: bernina 1008 - tension problems

Make sure the presser foot bar is UP before you thread the machine, otherwise the thread doesn't connect propertly with the tension discs. Top thread should reel-off in clockwise direction.

Posted on Jan 24, 2009

  • 6 Answers

SOURCE: Unbalanced lower tension when using BSR free motion quilting

try using a straight stitch plate, this will help resolve some of the eye lash effect. 

Posted on Apr 11, 2009

  • 9 Answers

SOURCE: Bernina 1008 bobbin tension problem

Double check that your needle is the proper one for your machine, and that it is in properly. It sounds like it is not picking up the thread properly. Tension problems usually have more to do with threading, thread or needle problems than with bobbin problems. Also check your bobbin is unwinding in the proper direction for your machine. Most machines unwind the bobbin thread, turning clockwise. Set your screw back to the factory settings, and give the machine a good cleaning as well. Lint can cause this to happen as well, if it builds up enough to interfere with the needle and the hook action. Double check that your upper thread is threaded properly as well. I suspect your needle is in backwards however.

Posted on Jun 12, 2009

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1 Answer

Bernina activa 130 tension loose after needle breaking into bobbin area


Is it the bobbin tension that is very loose? Try tightening it. Also check that the bobbin has been installed in the bobbin case, turning the correct direction and that the bobbin tension is threaded properly.

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If it is the upper tension that is loose and creating "thread nests" under the fabric, the machine is either misthreaded or possibly the thread is not seated completely in the tension disk.

Remove the upper thread from the machine.
ALWAYS RAISE the presser foot and rethread the upper thread from the beginning--verify the thread path is correct.
Set the upper tension to the midway point between high & low number (the factory standard--although it may need tweaking later for your particular machine).

Retest your machine. Hopefully, the issue has been resolved. If not, it may need service.

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Oct 03, 2016 | Bernina Activa 130

1 Answer

I have Bernia 180. The bottom thread is puckering. Top thread is perfect. I cannot find help in manual. Please help


Check that the bobbin is inserted turning the proper direction in the bobbin case and that the thread is threaded correctly through the tension control on the bobbin case.

Make sure the upper thread is threaded correctly. The factory standard upper tension setting is midway between high & lower number although this may need to be tweaked for your particular machine.

If the machine is still pulling the bobbin thread too tight, you can try tightening the upper thread tension. If it still isn't resolved, you may need to loosen the bobbin tension.

You might also want to check the presser foot pressure on your machine. That generally needs adjustment when changing from thicker to thinner fabric and vice versa.

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Oct 02, 2016 | Bernina Sewing Machines

1 Answer

The upper thread is constantly breaking. Don't know how to fix it. Any suggestions?


Check the tension for upper thread and bobbin(tiny screw to turn anticlockwise to give less tension)

Nov 18, 2014 | Bernina Sewing Machines

1 Answer

Why does the Please Check Upper Thread message keep coming on my 165 Artista?


Though it's not immediately obvious most threads have some wax on them that causes a build up in the tension areas. Get a piece of sturdy fabric, like light weight denim, fold it in half and run it through the thread path at the tension areas a few times. This "flossing" should clear gunk caught up in those areas.

Also when threading make sure you are doing it with the presser foot UP.

Good luck

Sep 09, 2012 | Bernina Sewing Machines

3 Answers

Bernina 800d sewing machine


You might take a look on ebay item with bernina 700d/800dl instruction manual

Apr 28, 2010 | Bernina 1008

2 Answers

I can't find my Bernina Serger 800 dl manual - how do I thread for a 2 thread rolled hem, and do I need a upper looper cover and that the heck is that anyway?? Thanks


From what I have read this manual is less than desirable. Neither is the one for the brand that I have.

You may have better guidance if you purchase and use Nancy Zieman's "Serge with Confidence". I have found it very helpful.

For the two thread rolled hem, the looper cover is used to "trick" the looper into "thinking" it is threaded.

On my serger (not a Bernina), this is referred to as a "subsidiary looper". It is a spring type mechanism that fits in a small hole at the top of the upper looper.

You use a rolled edge presser foot; right or left needle; stitch length @ normal or wider; stitch length @ 1mm for the left needle/0.5 for the right needle; differential feed @ normal; needle tension - tighten; lower looper tension - normal or looser; two thread looper cover - engaged.

Test and adjust the tension as needed before making the rolled hem on your garment.

I hope this helps.

Apr 18, 2010 | Bernina 1008

1 Answer

The upper thread tension on my Bernina 930 is too loose. I have changed the needle (it is in correctly) Checked for dust/thread remnants in both the tension springs and bobbin. Cleaned and oiled the bobbin...


If you threaded the machine with the presser foot lever raised and the stitching is still loose, the tension control may need a new spring or the entire control may need to be replaced.

Berninas tend to be the only brand that hold their value and it would be worth the expense to take it to an authorized Bernina dealer for service and repair.

Mar 25, 2010 | Sewing Machines

2 Answers

Old bernina 830 stitching problem: tight


Sounds like you need to adjust the tension. Probably a good idea to oil this older machine before you adjust. Also look for and clean out any lint or debris in bobbin case and around foot area.

Aug 29, 2009 | Bernina Sewing Machines

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Top color thread showing on bottom of embroidery on a Bernina Deco 330 embroidery machine


Upper tension is too loose or lower tension is too tight.This might be a good thing. It depends upon how much it is pulling the thread under. A perfect tension on embroidery is about 2/3's lower thread and 1/3 upper thread showing on the bottom.
sewman7

Jul 09, 2008 | Bernina Bernette Deco 600

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