Question about Bernina Virtuosa 150

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The back of the stitch is knotting up and I cannot find how to adjust it. I have misplaced my manuel.

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The upper tension should be set at the red line and the bobbin tension should be very light. Hold the bobbin case up by the thread and it should hold itself. If you jiggle it slightly and it slips down a little, you are very close.

Posted on Jun 27, 2009

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1 Answer

How do u end the stiching


You shorten the stitch length and either reverse a few (5 or 6) stitches or stitch forward a few stitches. Some people will stitch in place but that frequently causes a knot on the underside of the fabric. You can also tie the thread tails together (especially when sewing fine fabric like chiffon, silk, etc.) and clip the tails close to the knot.

Nov 10, 2016 | Sewing Machines

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What am I doing wrong when the stitching on top of the material is ok and straight and the backside is knotting?


wrong bobbin tension , but amazingly its actually easier to adjust the top threads tension to compensate for it , use your tension knob to slowly adjust , try an inch , slowly adjust try an inch , and so on to get a top and bottom thread tension to match , this will need to be adjusted for each major change in fabric (aka , knits to woven )

Aug 17, 2016 | Sewing Machines

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Adjust the stitches on my 385.19233 what the instruction manuel say is not working


Is this a stitch selection issue? A stitch width or stitch length issue? What stitch are you attempting to use, and on what fabric?

Feb 06, 2015 | Kenmore 19233 Computerized Sewing Machine

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Why does my thread knot on the back when stitching in place?


Several things to try:
Pull thread tails (both bobbin thread and upper thread) straight back and when you lower the presser foot, make sure they are held down straight back. This may or may not be enough to solve the problem, but it is simple to try, and often works. You might want to hold the thread tails while you start sewing.
Use a starter--folded piece of fabric scrap about an inch long--and begin sewing oink middle of starter. Push the fabric you want to see right up to the starter and keep sewing from the starter right onto your project without lifting the presser foot or cutting the thread. When you finish sewing, cut the little piece of thread between the starter and your project.
Before lowering presser foot, use wheel to lower your needle once and then pull up bobbin thread to top surface of your project. Then hold both bobbin and upper thread tails, lower your presser foot, and begin sewing. Release the thread tails after a few stitches.
Hope this helps. Those nasty "thread nests" are a real pain.

Jul 13, 2014 | Janome Sewing Machines

1 Answer

My stitch does not sew on right side of fabric. I sew & see the underside of the stitch. I remove the fabric & the stitch is on the underside.... Never known sewing machine to do this. Help!!


Hi. first thing is to remove the threads from the machine, top thread and the bobbin, and replace to manufactures instructions. If still the same the problem sounds as if there is no tension on the bobbin [under] thread, adjust to a light tension. Then adjust top thread tension until the knot is in the middle of the cloth. Most times people keep tightening the top tension..

Aug 10, 2013 | Brother XL-2600I

1 Answer

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

Bobbin Thread is "birdnesting"


Get out the manual and refer to the maintenance section for cleaning the machine.

Especially the bobbin area. You want to make sure the area around the bobbin case is free of lint and thread.

Use a new bobbin and re-thread the machine, with the presser foot UP.

Install a new needle, again according to the directions in the manual. Installed incorrectly can lead to mis-stitching.

If the problem persits, the timing may need adjusting.

This should be done by the sewing machine tech for Kenmore.

Sewusa.com has a guide for this in the repair section, but you could end up with more problems.





Apr 29, 2010 | Kenmore 15202 Mechanical Sewing Machine

1 Answer

Skipping stitches and knotting up underneath.


Hello,
Here are a few things to try.

* Raise your feed dogs if your machine has this feature.

* When you start to sew a seam, hold the upper and bobbin thread tails. Hold them back and out of the way as you sew your first couple of stitches. This will keep them from getting caught in your machine.



* Your fabric may require a different needle. Generally, heavier fabrics require larger needles and thinner fabrics, smaller needles. You may also need a larger needle if you’re sewing through many layers of fabric. And make sure to use a ballpoint needle for knit fabrics and a sharp needle for woven (or a universal needle for either). And make sure your needle is appropriate for the type of thread you’re using.


* Adjust the pressure of your pressure foot, it may be too light for your fabric.


* If your upper thread and bobbin threads are different types, try using the same thread for both. And use a good quality, brand name thread.



* Change your needle plate. Try switching to a needle plate with a smaller hole (a straight stitch needle plate).


Important Note: If you change your needle plate, check to make sure your needle aligns perfectly with this smaller hole before starting to sew. A misaligned needle could hit the plate and break, which could be dangerous. And make sure to change your needle plate back for zigzag and other wide stitches.

Hope this helps.

Sep 23, 2009 | Janome Sewing Machines

1 Answer

Sudden knotting under fabric


I have an Elna 2005 machine and had a similar but opposite problem whereby the tension up top was too tight - thread wouldn't pull smoothly. I found adjusting the feed dog lever slightly helped the stitches a lot, even though the needle tension up top is no better. Hope that helps! :-s

Jul 01, 2007 | Elna 2007 Mechanical Sewing Machine

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