Question about Singer Quantum XL-1000 Computerized Sewing Machine

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Loopy thread during stitching

I have A quantum CXL and it is stitching loops with the bobbin thread and I have tried the tention button and the bobbin and it still does it... What am I doing wrong?

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If loops appear on underside of fabric, make sure machine is threaded correctly (check instruction manual for threading). when presser foot is resting on feed dogs, needle thread should be quite tight when pulled through needle (needle should bend a little). if thread does not feel tight, check threading again and ensure thread is between tension discs (presser foot should be up for threading and then down to check tension). if threading is good and tension seting is at 5 but still not tight enough check no htread is caught in tension assembly. if tension assembly is clear try tightening needle thread tension to 6,7 or 8 and see if that helps.

if the above is correct check for damage to the needle hole in the needle plate and polish with fine emery tape if necessary.

if you still have trouble best see a technician for possible repair to bobbin case or hook/shuttle mechanism which you may damage trying to fix yourself.

scott.

Posted on Jul 24, 2009

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1 Answer

Why does the bottom tread come out loose and loopy


First, check the stitching to verify that it is in fact the bobbin thread that is loose & loopy. Usually, loopy thread under the fabric is the upper thread--which, if that is the case, is an indication it is either threaded incorrectly or the upper tension is too loose.

Make sure you are using a brand-new needle.
Always RAISE the presser foot and then thread the upper thread making sure that every guide and the correct path is followed.

Set the upper tension to the midway point between high & low number and re-test the stitching. Re-adjust as needed. The tension is correct when both upper and bobbin threads meet in the middle of the fabric.

Understanding Thread Tension Threads

If it is in fact the bobbin thread causing looping, it could be that the bobbin case is not threaded properly or the tension is way off.

Liz Kettle adjusting your bobbin case tension 1 wmv

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Apr 11, 2016 | Sewing Machines

1 Answer

How do I adjust tension on a Necchi Lydia 510 sewing machine?


loops under fabric means top tension needs to be tightened
try cleaning the top tension dial with some unwaxed dental floss and see if that helps. if it doesn't then the tension dial may need to be replaced
also check to make sure the spool of thread is not getting caught on the spool holder
also try a new needle--one that is correct for the fabric being sewed

Feb 10, 2015 | Necchi Sewing Machines

1 Answer

Why stitches on top are great but bottom are loose and loopy?


Check your upper threading. Make sure it's between your tension discs. Remember loops on bottom, something is wrong with upper threading/tension. Loops on top something is wrong in the bobbin area (like the bobbin being in upside down or a loose bobbin tension spring)

start by rethreading the top thread with the presser foot UP.

Jun 11, 2014 | Singer Quantum 9910 Computerized Sewing...

1 Answer

Why is the bobbin side of stitching is all loopy


loops on the bottom means top thread isn't getting tension. Re-thread top thread with presser foot UP. Then test your seam again. If you still have loops, tighten the UPPER tension.

Nov 11, 2012 | New Home HF-106

1 Answer

The bobbin thread is loopy on the under side of the fabric. I tried adjusting the tension setting but it didn't help at all.


Loops stitches on the underside is typically from the TOP tension being too loose, however it can also be the bobbin tension is too tight, or a problem with the needle. I would check them in that order.

Hold the bobbin thread and let the bobbin dangle. A slight shake of your hand should allow the bobbin to move downward (lets more thread out) but not so much that it just drops to the floor. When you put it in again and try sewing look at the top stitches. Do they look overly tight? THen the bobbin tension is too tight. The stitching should look the same top and bottom with no loops.

If both tensions seem to be alright check to see if the needle is: 1. the right size and type of the fabric 2. not bent

That should fix your problem :)

Jan 22, 2011 | Husqvarna Rose

1 Answer

Small loops forming on bottom stitches under fabric


Thread the machine with the presser foot up. This opens the tension so the thread can properly enter and be feed to the needle according to the tension setting.

When you thread a sewing machine with the presser foot down, the thread does not enter the tension control as it should and the control has no control.

No control of the top thread and it cannot "knit" with the bobbin thread and you get loosey-goosey-loopy stitches that appear to be the fault of the bobbin.

Feb 28, 2010 | Singer Quantum 9940 Computerized Sewing...

2 Answers

Tension problem


Set the top tension as recommended by the mfg - this is usually between 3 - 6.

Now re-thread the machine with the presser foot up and see if this doesn't eliminated the loopy stitches.

What appears to be an issue with the bobbin may actually be the top thread was not seated into the tension during threading and the tension cannot control the flow of thread to the needle and you get a loopy stitch.

Keep the bobbin case clean as built-up lint can cause stitching problems.

Feb 20, 2010 | Brother LS-2125 Mechanical Sewing Machine

1 Answer

My top stitch is flat, but the bobbin is bunching and looping extra thread. cotton fabric, polyester thread


What looks like a bobbin problem is sometimes the threading of the top thread.

If you threaded the machine with the presser foot down, the tension is closed and the thread cannot enter as it should.

Improper seating of the thread into the tension results in loopy stitching as the thread is not being guided at the proper tension to create a satisfactory stitch.

Try re-threading the machine with the presser foot up.

Feb 18, 2010 | Bernina Virtuosa 160

1 Answer

STITCHES DEEP TO BOBBIN SIDE HAVE CHANGED


You do need an oiling and cleaning. Also, try adjusting on the bobbin cover by turning th little screw with a small screwdriver. Keep adjusting and testing until you get the loops just as you want them...

Aug 05, 2009 | Sewing Machines

1 Answer

Loose stitches on bottom


FYI.. Loops on the bottom, problem is on the top..
Loops on the top, broblem is with the bobbin.

Apr 11, 2009 | Singer Sewing Machines

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