Question about Bernina Bernette 75

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Burnette 65 bobbin tangling can't adjust thread tension

Have replaced the bobbin and tried adjusting thread tension but bobbin thread continues to knot up and tangle regardless of tension or material used

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Have you replaced the needle with a new one? Your needle may be bent or in wrong, or the wrong size. You may have a bad needle. Check that the upper thread path is running freely and is not tangled or wrapped around anything. Make sure that the bobbin is unwinding in the correct direction as well, most bobbins, this is clockwise as the bobbin faces you. If you are using inexpensive thread, it could be the thread that is the culprit. Uneven thread in the needle will not flow through the needle properly, and cause bunching as well. Save it for the bobbin, and use good thread in the top.

Posted on Jul 17, 2009

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2 Answers

My Bernina Bernette 65 has a problem with the thread bunching up every 10-15 stiches on the bottom. Some of the thread stitches on the bottom of the fabric are in a straight line, and then the thread will...


try a new needle--one that is for the fabric being sewed
then try to adjust the top thread tension again, if the stitches remain loose and the tension won't adjust then the tension knob needs to be checked to see if there is something wrong with it.
also check to make sure the bobbin is inserted correctly into the bobbin case, if the bobbin is not turned the right way in the bobbin case the sewing machine will not stitch correctly.

Aug 05, 2013 | Bernina BERNETTE 65 Mechanical Sewing...

1 Answer

My machine is jamming, the bottom threading gets way too loose. and jams the machine up. I dont have an manuel or any instructions.


Ironically, often times when the bobbin thread is knotting up, it's the top thread that needs the adjustment. Loos top thread thesion will tangle up in the bobbin cassing...Think about it for a minuted. Try a quarter turn to the right on your top tension and then go fro there. There could be a problem with the bobbon casing tension adjust screw and plate. but I doubt it...Nine times out of ten when the bobbon thread is tangles the top thread is too loose.

Sep 01, 2011 | Singer 3116 Simple

1 Answer

My bobbin thread keeps looping and the top looks fine but pulls out easily. I tried adjusting the top tension, but it didn't help. What can I do?


There could be several things that could cause the machine not to pick up the bobbin thread.


1. The upper thread could be tangled. Remove the thread completely from the machine. The correct size spool cap should be used for the size of the thread spool. Re-thread the machine according to the directions in the manual.


2. Remove the bobbin and make sure the bobbin is threaded properly in the shuttle race. Remove any loose threads or lint in the shuttle race.


3. You could be holding the needle thread too tight. Hold the thread lightly to keep the end from going down into the shuttle.


4. The needle could be thread incorrectly. Thread the needle eye from the front to the back.


5. The needle could be bent or improperly inserted. Install a new needle with the flat side of the needle facing the back.


If the problem persists, your machine may require service.



The bobbin thread tension has already been adjusted at the factory for general use. For most applications, no adjustment is needed.

When sewing with then thread on thin fabrics, the thread tension may not be adjusted adequately with the upper tension control dial. Therefore, the thread tension must be adjusted according to the procedure described below.

If bobbin tension is too loose and locks appear on the surface of the fabric, decrease the thread tension by turning the dial to a lower number.

If the result is still not satisfactory, then adjust the bobbin thread tension.

Increase the tension in the bobbin by turning the screw with a small screwdriver in a clockwise direction. However, do not turn the screw more than one full turn.

Jun 19, 2011 | Brother XL-5340 Mechanical Sewing Machine

2 Answers

My bobin thread gets tangled and loose


have you checked the tension? In the older machines you could adjust the thread tension by tightening the screw on the side of the bobin case. With alot of the newer machines you have to lift out the bobbin and then lift out the casing to adjust the screw on the underside of the casing.

Oct 28, 2010 | Sewing Machines

1 Answer

How do i adjust the bobbin tension on a tesco ej09 sewing machine? The bobbin thread keeps tangling underneath the material


Before adjusting the bobbin tension (small screw on the side of the bobbin case), try this.

Always thread a sewing machine with the presser foot up as this opens the tension control for the top thread so the thread can be properly seated for control when stitching.

Often what appears to be a problem with the bobbin thread is actually the top thread going loosey-goosey.

Apr 03, 2010 | Sewing Machines

1 Answer

My bobbin thread keeps getting tangled and breaking everytime I try and sew....I have tried rethreading the bobbin, taking everything apart and cleaning out the dust and debris, I have adjusted the thread...


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

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1 Answer

The top thread is really loopy on the underside of the fabric, sometimes it misses a stitch, sometimes, the upper thread breaks, and it often gets so tangled underneath that the machine won't feed.


Your tension is way too loose on top or too tight on the bobbin. Try adjusting the top tension one number at a time until you get it right. (Only adjust the bobbin tension as a last resort). Also you could have different thickness of thread in the bobbin than on the top or are sewing a very heavy fabric. Try adjusting the tension with same thread in both bobbin and top and use a normal weight fabric until you find the right tension to get you back to a normal stitch before going to a heavier fabric or thread.

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1 Answer

Bobbin tangling


Sounds like the bobbin is spinning to fast or is winded to loose. Try adjusting the tension on the bobbin.

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7 Answers

Bobbin tangles up thread and jams machine


Hi, Is it your bobbin thread or the top thread wrapping around the bobbin. I just got a used PE150. The top thread keeps wrapping around the bobbin. It is not picking up the bobbin thread. Did you find a solution for your problem?
katfou

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