Question about Bernina Sewing Machines

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Thread tensioner does not work

I opened the machine several times to keep it clean but every time I fixed the thread tensioner and make the machine complete. just a bit later it doesn’t work again!

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  • Expert
  • 202 Answers

You need to specify the model. Different tensioners for different models.

Posted on Apr 15, 2012

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Posted on Jan 02, 2017

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yeroc
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SOURCE: The top thread will not grab the bobbin thread to complete a stitch.

its common, but easy to fix,,,ok......first things first, 1. bobbin in bobbin case correctly 2. machine threaded correctly 3. tension set around 3-4 upper 4. when was the last time machine was serviced

Posted on Jan 21, 2008

Mongo32
  • 111 Answers

SOURCE: Can't get thread tension right on my Euro-Pro 7130

the top seam is actually the bobbin thread. dots on the underside means that the top tension is too tight. you may have a piece of thread or something gummy caught between the upper tension disks.

Posted on Jun 11, 2009

  • 55 Answers

SOURCE: Difficulty adjusting tension to avoid bobbin looping

it sounds like your bobbin tension is too tight. to adjust bobbin tension, remove bobbin case (remove needle plate first) and adjust bobbin tension screw on side of case until bobbin thread has a slight resistance as you pull it through the bobbin case.

this will be trial and error until you get best result. you should always try and match top and bottom threads. if the top thread is quite thick you may have continue to increase needle thread tension until balanced.

scott

Posted on Jul 26, 2009

  • 8 Answers

SOURCE: Top thread keeps breaking on my Janome 1600P.

I had a similar problem and then realized that the thread on the top had a **** on the spool it was catching on.

Posted on Sep 24, 2009

  • 96 Answers

SOURCE: My bobbin thread keeps getting tangled and

there is a screw on the side of the bobbin case, which needs to be turned to the left or counter clockwise to loosen the tension and also change the needle because a burr on the end will cause problems with bobbin thread

Posted on Dec 13, 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...

2 Answers

Thread keeps breaking when I sew.


one of three issues: top tension too tight, bottom tension too tight, needle timing off.

Oct 21, 2015 | Elna 2005 Mechanical Sewing Machine

1 Answer

My Janome 1600 keeps breaking threads


Is the tension too tight? Are the tension discs clean? Remove bobbin case, clean it and re-thread as this may be jammed.

Apr 26, 2015 | Janome 1600P-DB Mechanical Sewing Machine

1 Answer

Why does my singer 2732 thread keep breaking?


This happened to me several times. The way I fixed it was to:
- clean underneath where the bottom spool goes in, usually there is where the dust keep collecting.
- when holding the case spool before inserting it in the machine, make sure the thread that comes out is rolling towards YOU, the normal rolling way and NOT backwards.
- make sure the thread is not loose on the spool due to not enough thread on it.
- you might also want to check the thread on top - going through all the "curves", that somewhere is not being stock, that the thread is NOT skipping any"corners" and do not do any shortcuts when threading.
- there has to be ENOUGH thread on the TOP spool and on the BOTTOM spool.
- lastly, - pull everything out and start fresh with all the threading - top and bottom after cleaning the dust out and maybe any little bits of cut thread left over from the past work.

I'm sorry but that's all I can thing off .... I have been sawing for over 50 years and this is the way I always fix my machine every time, either manual or electric.
One thing is for sure, not all threads are appropriate for sawing machines and if you are trying to saw elastic, then you have to use the correct dial, because the usual one will NOT work and it WILL brake the thread !

I hope any of the above will help ... :)

Aug 31, 2014 | Singer Sewing Machines

1 Answer

The top thread keeps breaking. The thread pulls tight and breaks. I have removed a broken thread piece from the upper take-up lever, rethreaded (several times), cleaned out bobbin, moved thread spool on...


try a tension a 3 to 5 on the top tension
try changing to a needle or if it's a new needle make sure the flat side of the needle faces the back of the machine and pushed all the way up into the needle holder
make sure the needle & thread are correct for each other, if the needle is to thin or to heavy for the fabric it will not work

Aug 27, 2011 | Brother InnovIs QC1000 Electronic Sewing...

1 Answer

Why most of the time upper thread or sometimes lower thread loose while stitching though bobbin thread rolling is tightand tension is 8


Probably not in tension correctly, always thread the top with the pressure foot raised so that the thread seats correctly into the tension device. Turn it back to 5 and try again, you shouldn't need to turn tension up to 8. It is more likely that the tension device is dirty and needs cleaning.

Visit this website for good tension tips,
http://www.sewusa.com/Sewing_Machine_Repair/Thread_Tension_Settings.htm

or www.sewing.about.com has lots of good help too.

To clean your tension device, turn it to zero, then floss between the discs with the selvage edge of a clean piece of cotton fabric, if you get black gunk out, then keep cleaning. You can wet the fabric edge with denatured alcohol too, just don't get onto plastic bits. Thread, especially cheap quality, will shed dye particles and thread fibres, which will build up in the tension device with time, impairing how it works. So it is always important to read your machine manual and clean and oil it as the manual shows, at least every 3 months, or each time you get the machine out to use it. This prolongs its life.

Jul 25, 2011 | Sewing Machines

1 Answer

I have a Kenmore sewing machine - 12 stitch model which I bought in the 70's. I am having a tension problem and can't seem to fix it. What is the normal setting for the top, and bottom?


Hello

Load your Kenmore sewing machine with the right thread and bobbin thread for your project. If you use the wrong weight thread for your fabric or severely uneven weights of thread, this can cause the appearance of a tension problem when it is, in fact, a thread weight problem or a problem with your sewing speed. If you go too fast, you will break the thread. If you go too slow, you can cause loops. Uneven pressure can cause stitches to vary greatly.

Test your Kenmore sewing machine's tension by sewing on a piece of scrap fabric. If your tension is way off, then test on some basic cotton or a firm blend simply to get your tension right. Do not try to start adjusting your tension on silk or leather. Get a base adjustment on a more standard fabric first.

Look at the top threads and bottoms threads. If the tension is off on one side, it will usually affect the other side slightly. So select the side that looks more maladjusted to start adjusting the tension.

If the top thread is too loose or too tight, you will need to adjust the tension dial. This dial is usually located a few inches above the needle on the Kenmore machine body. Usually, your machine will have markings to indicate which direction tightens the tension. If these have worn off over the years, watch the dial as you turn it. If it appears to move toward the machine body, then it is tightening.

If the bottom thread is too loose or too tight, then you will need to open the door to the bobbin case. On some Kenmore models, there is a little screw near the bobbin case that can be adjusted slightly to adjust the tension. On other Kenmore models, there is a screw on the bobbin case itself--not on the bobbin, but on the bobbin's casing. This will also adjust the bottom thread tension. Adjust the bobbin thread tension to make slight changes.

If the thread is looping severely on one side, the thread weights might be off. For instance, look to see if you have a lightweight thread on the bobbin and a heavyweight one on the top. If the thread keeps breaking, the top tension or bottom tension could be too tight or the thread is too lightweight for the material you have selected. Check your combination of threads and material. Also make sure you are using the right weight needle and the right foot for the sewing step or project you are working on.

If your Kenmore sewing machine's tension is off severely or if you have not used your Kenmore in a long time, then you might need to take your machine in to be serviced. Sometimes, the inner parts need to be oiled or the entire machine might need to be cleaned and calibrated by a professional. If you sew a great deal or if your machine sits idle a lot, both situations will usually require some servicing to keep your Kenmore sewing machine and its tension in perfect working condition.

Jul 11, 2011 | Kenmore 15358

1 Answer

I cannot get the bobbin to wind on my Model 1260 Euro-Pro. It was working fine the last time I used it. Any ideas?


Good day!

please try this simple tips:

Good day!

A sewing machine operator can often help themselves when their machine does not operate properly.
Here are some simple instructions, which if properly used can save time and mechanics service calls.
TROUBLE;UPPER THREAD KEEPS BREAKING;
This could be trouble;================Do this;
1.Top tension to tight================loosen tension 1 turn
2.Machine improperly threaded=========check threading
3.Thread twisted on guide post========"
4.Thread twisted out of tension======="
5.Take up spring bent or broken=======Check action of spring
6.Thread jumped off pull off finger===Check threading
7.Needle bent or burred===============new needle
8.Bad cone of thread==================try another cone
TROUBLE;LOWER THREAD KEEPS BREAKING;
1.Bobbin tensionspring to tight=======Loosen tension slightly
2.Bobbin threaded wrong===============check threading
3.Bobbin wound to tight or uneven=====try new bobbin
4.lint or thread on bobbin case=======clean inside case
5.Lint or thread inside hook==========clean inside hook
6.Bobbin case nicked bent or burred===check/change case
TROUBLE;MACHINE STARTED SKIPPING STITCHES;
1.Needle bent or burred===============change
2.Needle set in crooked===============Check
3.Thread jumped off take up spring====check threading
4.Thread jumped off pull off finger===check threading
TROUBLE STITCHES SHOWING LOOPS;
1.Forming loops on top of cloth=======Tighten bobbin tension
======================================or loosen top tension.
2.forming loops on bottom of cloth====Tighten top tension
3.Bobbin placed in case incorrectly===remove and replace
4.Bobbin thread slipped from under====check threading of
tension===============================bobbin case
5.Lint or thread in top tension=======clean between tension discs


Thank you and good luck.

Jun 05, 2011 | Euro-Pro 1260DX Mechanical Sewing Machine

1 Answer

Bobbin thread showing on top, automatic tension


It is possible the jam threw off the timing and this will need to be fixed by a sewing machine tech.

Try one more thing first. Lift the presser foot - this will open the tension control so the thread can properly seat into the control.

Re-thread the machine.

If this does not help, back to suggestion # 1.

Mar 25, 2010 | Sewing Machines

2 Answers

Needle thread looping underneath, threads not interlocking at all


If the machine is now threaded, lift the presser foot.

Now, pull about 10" of thread through the needle.

The next time you thread the machine, lift the presser foot first.

When the presser foot is up, the tension control opens and allows the thread to "seat" into the control, then when the foot is down the control closes to the indicated setting.

When threading the machine with the foot is down, thread does not enter the tension control and when you start to sew, there is no tension on the thread.

No tension = loosey, goosey, loopy stitches underneath.

Because the lack of tension on the top thread, the bobbin thread cannot lock a proper stitch.

Mar 10, 2010 | PfaFF Quilt & Craft Pro 7530

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