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Bobbin won't come out of case on my bernina 770

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

RickE1
  • 202 Answers

SOURCE: Bernina 180 Bobbin case spinning

Its called the bobbin stopper. Pop off your needle plate by pressing on the marked corner. In the back on the left you will see a small allen screw which must have come loose. Position the bobbin stopper in place and tighten that screw. If it already is tight, loosen it and reposition the bobbin stopper in the notch and tighten it back up.
Good luck.

Posted on Oct 18, 2008

RickE1
  • 202 Answers

SOURCE: Machine not working after bobbin installation

Hi, it may be possible that you put the bobbin in the case upside down and its turning the wrong way. Flip it over and try it. When looking at the bobbin in the case from the back and you pull the thread, it should turn clockwise.
Hope this helped as anything else may take a tech to diagnose.
Rick

Posted on Mar 25, 2009

  • 1 Answer

SOURCE: I have a Bernina Virtuosa 155 and use it daily. Without

In checking I can either adjust the tenion screw and if that does not work, purchase a new bobbin case.

Posted on Oct 28, 2009

  • 22 Answers

SOURCE: Bernina 180 Bobbin Case Housing Loose

The housing you are pointing out is the rotary hook asm. This is suppose to have a little clearance there, the clearance allows for the lower thread to come up. In order to make the machine run smoother in that area, is to put a drop of the benina only oil

Posted on May 03, 2010

  • 458 Answers

SOURCE: I have a brother pe 770 and the bobbin will not

You need to sew the first stitch slowly. Lower the needle by hand and take up carefully. Pull the needle thread up and the bobbin thread should be caught in the formed loop and come with it. Pull them both to the back of the machine and sew.

Posted on Dec 15, 2010

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1 Answer

Bobbin in 770 Bernina will not come out


Hmm, make sure you are using the correct bobbins for your machine. Some bobbins are very similar but different enough to be an issue. If it is the correct bobbin, then the thread has probably snagged or lodged against the bobbin.

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Dec 17, 2016 | Bernina Sewing Machines

2 Answers

Bernina 830 Bobbin case does not swing out


Bernina 830 / 880 Bobbin Error and Bobbin Sensor ...

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https://www.youtube.com/watch?v=RzpprWzYEJY
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Jan 01, 2016 | Bernina Sewing Machines

1 Answer

Bobbin case won't release


http://www.bernina.com/en-US/Support-5/Machines-en/BERNINA-750-QE-us
this should give you some help Im not familiar with this machine but I think it may be a sensor problem

Mar 25, 2014 | Bernina Sewing Machines

2 Answers

Bernina 1008 thread bunching on bottom


"Nesting or Rat's Nesting" on the bottom side of Bernina sewing machines (CB hook type) is generally the result of very loose top tension. If the problem is found in newer sewing machines such as machines made after 1986 (serial numbers beginning with 26xx xxxx), may have an older Bernina bobbin case in the machine. The problem with the older bobbin cases is that the rounded projection of the latch on the left side of the casing will catch thread, preventing easy thread escapement during the take-up lever cycling resulting in loops on the bottom side and or thread breakage, etc..
Note:....Timings and modified latch geometry's were applied to later models to allow for good thread escapement. Older Bernina cases cannot be used on newer machines but newer cases can be used on all CB hook Bernina machines.
Additionally, Chinese copies of the Bernina/Cerliani OEM bobbin are rampant and can cause sewing issues. Always ask for OEM Bernina cases.

Note the following trouble shooting logic:
1. The center tension disk that is visible through the thread slot in the top cover of most machines must be positioned exactly in the middle of the top cover slot. By loosening the fixing screws on the top tension mechanism, one can adjust the disk position to center.
2. It would be a very rare situation for the top tension to change whatsoever from the (red center marking) factory setting. The most likely cause of loose top tension under the normal center mark position, would be accumulated lint, thread, or a sticky substance between the disks. This would prevent the tension compression disks from applying an even tension on the sewing yarn (thread). Often this can be blown out with compressed air when the presser foot lever is lifted in the up position. In some cases, soft drinks and other sticky or corrosive liquids can find their way between the disks. In this case, the tension assembly must be removed, disassembled, and the disks cleaned and polished.
3. Check the facial surfaces of the bobbin case for corrosion, and sticky substances that prevents the thread from easily sliding over the bobbin case.
4. Check that the spindle of the hook body is not bent or warped, causing the bobbin case to wobble, thus creating an intermittent pressure on the hook race cover at the moment that the thread is trying to escape over the bobbin case finger. (Replace the hook body)
5. Inspect the undercut on the hook body spindle for thread wrappings and knots. This condition can cause the bobbin case to press hard against the hook race cover, hence hindered thread escapement .
6. Exceedingly tight bottom tension can cause some problems as well. ( If you don't know how to adjust Bernina bobbin cases to factory settings, please ask).
7. Hook timing, (loop lift) can be out enough to affect thread escapement. This is typical of newer machines made after 1986 since Bernina no longer made fixed timed machines like the earlier Swiss made models. The later made models have timing components that can slip under stressed machine mechanics.
SewTechnical Home ">

Feb 13, 2014 | Bernina 1008

2 Answers

I have a faithful 730 Bernina and currently the bobbin thread keeps breaking. Please advise what may be causing this. Thanking you.


Bobbin thread breaks
1. There is a right way & wrong way to insert the bobbin in the case --when you insert the bobbin in if it doesn't stitch correctly turn the bobbin over see if that helps or bobbin case is not inserted correctly
2. Lint has collected in the bobbin holder
3. The bobbin is damaged & doesn't turn smoothly
4. Lower thread tension is two tight

here's a free manual
http://www.bernina.com/getdoc/48e8d09f-98f7-40ab-8663-a23663df4fae/Bernette_715_730_740E_manual

Sep 17, 2012 | Bernina Sewing Machines

1 Answer

My mother has a bernina 1008 and now that we have taken the bobbin casing out to clean it won't catch when threaded. Any ideas?


Are you threading the bobbin case correctly - the bobbin should rotate clockwise when pulling the thread out under the tension spring. Are you ensuring that the bobbin case is firmly clicked back into position when replacing it. Check your needle is OK. Did you remove the hook from the hook race when cleaning out - have you oiled the hook race ?

Jan 22, 2012 | Bernina Sewing Machines

1 Answer

Help I need some bobbin cases


If you need bobbin cases you must buy the Bernina bobbin case, if you need bobbins you can buy them anywhere even on ebay

Feb 26, 2010 | Bernina Activa 140

1 Answer

I have a Bernina Virtuosa 155 and use it daily. Without


In checking I can either adjust the tenion screw and if that does not work, purchase a new bobbin case.

Oct 27, 2009 | Bernina 1008

2 Answers

Using a bernina gold latch bobbin case on the Bernina 435 machine


There isn't a Bernina 435. If you are referring to the 430 than the gold latch bobbin case will not work in that machine. If you are talking about the Bernina 450 the gold latch will work in that machine, with or without the embroidery module.

Apr 06, 2009 | Bernina Sewing Machines

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