Question about Bernina Virtuosa 150

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The bobbin thread keeps bunching up - I have cleaned it and changed needles - what else do I do?

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When you are threading the machine make sure that the presser foot is up, The tension disks are open when the presser foot is up, If you thread the machine when the presser foot is down the tension disks are closed, and the thread will not go through properly causing a nest of thread of bobbin thread to bunch.

Posted on Jul 29, 2009

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Posted on Jan 02, 2017

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SOURCE: Bobbin thread will not stitch.

Have you had the machine serviced since you purchased it? This is something that should be done at least once a year.

Take the machine to a certified Singer dealer and explain what is happening. There may or may not be something that needs to be adjusted.

Your warranty is still in effect, but is now limited. Attempting to repair it yourself or having someone who is not a Singer dealer repair it will invalidate the remaining warranty.

Posted on Apr 16, 2010

SewExpress
  • 41 Answers

SOURCE: Picking up the bobbin thread

A few suggestions:

  1. Rethread top of machine from scratch with the presser foot raised, i.e. remove thread completely from all thread guides & paths and start from scratch, making sure thread is securely seated between tension disks. Once the needle is re-threaded, lower the presser foot and give the tail end of the thread a tug to make sure there's tension on it.
  2. Make sure the bobbin is turning the correct direction for your machine - and that the thread tail is under the tension plate or bobbin tension guide (depending on machine).
  3. Blow out any fuzz.
  4. Insert a new needle, making sure needle is pushed all the way up.
  5. Oil machine (in locations recommended in your owner's manual).
If the basic cleaning and re-threading (above) don't help, your machine(s) may be out of time or have another mechanical issue that will require a repair technician. We recommend a tech trained on your specific brands - they'll be better trained and able to get any repair parts that may be needed.

Hope this helps narrow down your stitching problems.

Happy sewing,
Kim & Linnette

Posted on Jun 27, 2008

Obertelli
  • 3006 Answers

SOURCE: The thread is bunching up

Your problem stems from the faulty foot lever mechanism. It's coupled to the upper thread tension control which only provides tension when the presser foot is in the locked down position.

If the presser foot won't positively engage in the down position, there's no upper thread tension and the thread bunches up below. Everything else stems from there. If the needle has hit the bobbin case too frequently then the bobbin timing may also be slightly out and the needle itself will be damaged and won't pass straight through the fabric; it only takes a tiny deflection from the vertical as it passes through the workpiece for the needle to flex and hit the bobbin case.

In summary, your machine is in desperate need of repair and adjustment. You haven't stated which exact Singer model you have, but they are usually easy to get servicing manuals for or you can take the machine to a sewing machine servicing specialist. Most singer spare parts (even for 100 year old machines) are usually still available fairly cheaply from a variety of sources, just enter "Singer spares" into your search engine to find suppliers.

To prevent re-occurrence, clean the mechanism regularly and lubricate it as directed by the manufacturer using sewing machine oil. Depending on how often you use the machine, do (or have done) a more thorough service periodically to check the timing and also that all mechanism screws remain tightly fastened.

I hope that my reply has shed some light on your problem and enables you to decide what to do next. Please take a moment to rate my answer.

Posted on Sep 30, 2010

  • 152 Answers

SOURCE: bobbin thread gets bunched up and loud clicking sound

The problem is never the bobbin when you have this problem. It's the top thread. Take the thread off the top of the machine and rethread the top. Make sure the small tension dial is on 4 or 5 (the larger dial on the front left is for the pressure on the foot, not the thread tension.) After you thread the machine, put the pressure foot down but NOT on the thread. Then pull gently toward the back of the machine. When you do, the needle should bend slightly backwards before the thread comes through the machine. If it pulls with no resistance you could simply have "fluff" or remants of thread between your tension discs. If you do, put the dial on zero and using an old needle, clean between the discs and try threading the machine again with the "pull test" I described earlier.
No tension on the top of the machine, lets the bobbin tension win and it pulls all the thread to the bottom of the fabric.

Posted on Oct 06, 2009

  • 1 Answer

SOURCE: janome straight stitch loose

I don't know if this is the right answer for any of you, but thought I'd put my 2 cents worth in. Often this can be the bobbin in backwards. It needs to unwind a certain way depending on the machine. I've heard a phrase for this: Mind your p's and q's which means some wind off to the right like a q, others to the left like a p. Mine has to unwind one way then be slipped backwards into a little slot or it does that loose bottom thread looping and bunching someone here mentioned. It seems everytime I get that problem I rethread the top thread 100 times before it clicks again and I remember it could be the bobbin thread. Either your manual will tell you the correct way, or you could experiment and try one or the other. Once you figure out whether you're a p or a q, mark it on your machien somewhere to remind yourself.

Good Luck and Happy Sewing!

Posted on Apr 04, 2009

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2 Answers

My thread keeps looping on bottom Have changed tension, needle rethreaded and changed bobbin nothing helps what am I doing wrong?


not sure if this will help you...Check Your Tension Settings. Looping underneath the fabric usually occurs when there is not enough tension in the needle thread to pull the bobbin thread. Sometimesthread buching can be caused by something as simple as the tension dial being inadvertently turned.

WHY IS THREAD BUNCHING UNDERNEATH MY FABRIC ? ' eBay

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bunching of thread under the material is an indication of insufficient tension of the needle thread
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I have a elna lotus sp, it keeps bunching up underneith, ive had it working. I've changed the needle , it's starts sewing then stops due to it getting tangled ,


try another needle-- one for the fabric being sewed

make sure the top thread has not come off the thread take up lever

clean under the needle plate and in the bobbin area for lint


make sure the bobbin is inserted into the bobbin case correctly

make sure the bobbin is turned the correct way in the bobbin case

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I have a singer confidence 7469 quilter, the upper thread keeps bunching up in the bobbin case. I've tried re threading numerous times with no luck.


try changing the needle
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Jan 29, 2013 | Singer Confidence 7469 Mechanical Sewing...

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Thread on the bottom side of stitch is all bunched up


Try these suggestions
1. Change needle
2. Rethread the machine--top --make sure to use every thread guide
3. Take the bobbin out --make sure it is inserted correctly into the bobbin
Case, & make sure the bobbin is turned the correct way
4. make sure the thread has not come off the thread take up lever
5. Clean under the needle plate & in the bobbin area for lint or threads

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Can't set the tension on needle or bobbin to match


1. make sure your machine is threaded right.2. set the tension between 3 and 4 and play with the tension as you need it to adjust it.3. make sure the bobbin is threaded right.make sure to visit the site below; it has solutions to multiple problems and instructions how to thread the needle or bobbin. Good luck.htt://Fix Looping/Knotting Thread Fix Knotting/Bunching Thread Looping Bunching & Knotting Thread

Aug 03, 2011 | Euro-Pro 1260DX Mechanical Sewing Machine

1 Answer

Stitch tension problem - bobbin thread lies flat or bunches. If you increase the needle thread tension there is no improvement - even at the highest needle thread tension the bobbin thread is a mess. Any...


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 16, 2011 | Consew 7360R-1 Mechanical Sewing Machine

1 Answer

I have a WHITE 3300 EMBROIDERY MACHINE and the thread bunches up at the bobbin site. I have tried a new needle, adjusted upper thread tension , changed bobbin threads and nothing helps, it keeps bunching...


Refer to your machine for cleaning the bobbin area.

You will need to clean this area often as lint and thread snips can build up can cause the bobbin feed to malfunction.

If this continues after you have cleaned the machine, the timing may need to be adjusted by a sewing machine tech.

Mar 18, 2010 | White Sewing W3300 Computerized Sewing...

1 Answer

Sewing a bunch of thread from the bottom, this stops the machine from actually sewing


Yes, it does. There are a couple of reasons the bobbin thread could be bunching up on the underside of the fabric. It could simply be that the machine needs cleaning. Take the bobbin assembly out, brush all the old lint out as best you can, reoil the machine once it's all clean, and make sure there aren't any little bits of thread caught in the bobbin assembly. Rethread the machine (carefully) and change the needle. This solves the problem usually--especially if the machine was sewing along fine and the problem develops suddenly. '
The other thing to check is your tension. It could be that the top tension is too loose. But different color thread in the top and in the bobbin, stitch a few inches (be sure to held the top and bobbin thread ends behind your needle as you start to stitch) and check. WIth the pressure foot down, adjust the tension, and stitch again. Keep stitching, checking, and adjusting until you see little if any bobbin thread on the top or top thread on the bobbin.
Another thing to reminder: use the appropriate thread and needle for the fabric you're sewing.
Let me know if this works, ok?

Robbie

Jan 31, 2010 | Elna Sewing Machines

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Bunched bobbin thread


Try changing the needle. If you're using the wrong needle for the type of fabric, this could happen.

Mar 24, 2009 | Sewing Machines

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