Question about Bernina Activa 140

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Bottom bobbin keeps jamming on my bernina 140 activa, why?

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Posted on Jan 02, 2017

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SOURCE: Bernina Activa 135

either the bobbin thread is not in the lower tension or the lower tension is too loose or the top(upper) tension is too tight.
sewman7

Posted on May 20, 2008

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Mimito7
  • 128 Answers

SOURCE: user manual download bernina activa 140 sewing machine

Try this... www.2instructions.com

Posted on Apr 30, 2009

Mongo32
  • 111 Answers

SOURCE: I have a Bernina Activa 130. The bottom threads

bunching threads bunching means that upper tension or threading is wrong

Posted on Jul 08, 2009

  • 14 Answers

SOURCE: user manual download bernina activa 140 sewing machine

just visit www.janomestuff.com

Posted on Sep 17, 2009

  • 1116 Answers

SOURCE: I have inherited a Bernina Activa 140 and have the

Check the manual to be sure the needle is inserted correctly.

Also - check the needle to be sure it is not bent and that there are no burrs or nicks on the throat plate.

Berninas hold their value and it is worth investing in the service fee to have the machine thoroughly gone over by a Bernina certified tech.

Posted on May 08, 2010

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1 Answer

12 wt thread


12 wt thread generally will not work well in the bobbin...


"Aurifil 12wt Thread
Aurifil 12 wt thread is ideal for hand quilting, big stitch hand quilting and machine quilting. 12 weight thread creates a more defined and often primitive look. It's great for designs that use a longer stitch length if using a machine. When machine quilting with 12 wt thread, use 40 wt in the bobbin, increase your stitch length, lower your tension, use Topstitch size 90 needles and stitch slowly."

May 08, 2017 | Bernina Activa 140

2 Answers

Bernina active 140 parts


I think you'll need to source this from Bernina head office in your country or a Bernina dealer near you.

If you start with this page http://www.bernina.com/content-n81-sEN.html you can email them and ask.

Dec 04, 2011 | Bernina Activa 140

1 Answer

Why won't my Bernina Activa 140 sew the blind hem stitch?


Are you absolutley sure you're not getting a problem with stitch formation on, for example, wide zig-zag. Check again, using a different colour top and bottom and make sure that the stitch is being formed properly with only the top colour on top and bottom colour on the bottom. It sounds as though the bottom loop is not being picked-up by the hook properly. Make sure you've thoroughly cleaned-out any fluff under the stitch-plate and remove the hook/shuttle and give the hook race a good clean and give it a single drop of oil, even if you've got the lightweight part-plastic hook/shuttle fitted.

Nov 19, 2011 | Bernina Activa 140

1 Answer

How do I make a button hole with my Bernina Activa 140?


If you go to http://www.bernina.com.au/webautor-data/888/0305295204_0303_a135-a145_EN.pdf you can download a manual for the Activa 145, I suspect that the instructions would be very similar for buttonholing.

Feb 12, 2011 | Bernina Activa 140

1 Answer

I have inherited a Bernina Activa 140 and have the manual, have followed instructions to the letter but the thread keeps breaking, the bobbin is O.K. It sew for about 3 stitches and then the thread breaks


Check the manual to be sure the needle is inserted correctly.

Also - check the needle to be sure it is not bent and that there are no burrs or nicks on the throat plate.

Berninas hold their value and it is worth investing in the service fee to have the machine thoroughly gone over by a Bernina certified tech.

May 08, 2010 | Bernina Activa 140

1 Answer

The bottom thread on my Bernina 140 jams


Try pulling more thread out before you begin the seam - about 6". If you can hold the threads while you take the first few stitches that helps too.

Apr 02, 2010 | Bernina Activa 140

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

Bernina Activa 240


There is also a tension adjustment on teh bobbin. It's just a little screw. Turn it about 1/4 to 1/2 turn and try again. Adjust as needed a little at a time.

Oct 19, 2008 | Bernina Activa 140

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