Question about Juki TL-98Q

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Started machine quilting; first pass went just fine, rolled up quilted portion, then started machine again but the bobbin thread broke and continues to break. Took out bobbin, reset it in case, etc. N

Am quilting a normal sandwich wit 100% cotton top and backing and low loft polyester batting. Using a 90 quilting needle.

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  • try rubbing your finger over the areas where there might be a burr & see if they are smooth or not

  • try rubbing your finger over the areas where there might be a burr & see if they are smooth or not

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  • Juki Master
  • 7,365 Answers

From what you said about the bobbin thread continues to break
check for burrs in the following area--even the smallest burr can cause problems
bobbin
bobbin case
needle plate
needle could be damaged
or bad thread

Posted on Feb 10, 2012

Testimonial: "Haven't had a chance to look for burrs. I need a strong magnifying glass. Am using 40wt Metler quilting thread. Needle was fresh but will change it anyway."

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2 Answers

Stitches too small


TIP: A general rule of thumb is that if the stitch looks bad on the top it is the bottom tension.
If the stitch looks bad on the bottom it is the upper tension. The upper and lower threads play
tug of war with each other.
Tension
You need correct tension on the top and bottom threads, but you must also have correct tension on
the quilt held between the rails. You should have a small amount of "sag" in your fabric. This allows
enough movement of your quilt layers for the needle to penetrate and make good stitches.
Before you start making adjustments to your machine ask yourself, "What changed?" If your machine
was stitching great and all of a sudden it has loopies on the back or puckers, "What changed?" Did
you just change the bobbin? Did you just lift the take up rail? Did you lower the take up rail after
finishing your last quilt? Did you recently change the needle? Did you just roll the quilt?
If the take up rail with the quilted portion of your quilt is too high, it will result in poor stitch quality. You
need a finger tip space between the quilt and the machine bed. Higher will result in poor stitch
quality, too low and the quilt will create a drag on your machine's movement.
Look at your bobbin, a sloppy wound bobbin will not create a good stitch. Make sure that the threads
on the bobbin are snug and evenly wound. Check to see if there is a piece of lint in the bobbin case

Dec 19, 2016 | Sewing Machines

1 Answer

Singer quantum xl 1


try changing the needle
make sure the bobbin is turned the right way in the bobbin case
even try a different bobbin
make sure the top thread has not come off the thread take up lever
if these suggestion don't help then
call the repair center back and tell them the problem started up again and ask them why

Sep 03, 2013 | Sewing Machines

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

1 Answer

Top thread is breaking on Janome 6600P


The needle thread breaks
1. the needle thread is not threaded properly
2. The needle thread tension is to tight
3. The needle is bent or blunt
4. The needle is incorrectly inserted
5. The needle thread & the bobbin thread are not set under the presser foot when starting to sew
6. the threads were not drawn to the rear after sewing
7. The thread is either to heavy or to fine for the needle

Jan 16, 2013 | Sewing Machines

1 Answer

Bobbin does not stitch


Have you changed your needle lately? Have you checked the needle/shuttle timing?

Nov 02, 2012 | Juki TL-98Q

1 Answer

I am working on a small quilt. Using the walking foot. When I turned the quilt over to check the stitches on the back I noticed they are very loose. I have never had this problem before. The back stitches...


Check that the thread is tight around the bobbin. Make sure that the bobbin is in the right way around - the bobbin thread should double back on itself coming out of the bobbin holder. The bobbin tension adjustment is the small screw in the plate on the bobbin case that the thread passes under as it comes off the bobbin and goes out.

Mar 24, 2011 | Brother InnovIs QC1000 Electronic Sewing...

1 Answer

I am trying to sew in free motion, but the bobbin is not feeding problem and I have loose stitches and drag. I have adjusted tensions but this does not seem to improve the problem.


Turn your machine off, then turn it on again to re-set everything back to "normal". Now, go into the SET menu (second page, I think) and turn on Q-Sensor Foot and Free Motion. Go back to the Menu and choose the V Menu, Stitch 1. Lower your feed dogs (personally, I don't do this but all instructions always say to do it). Make sure your upper thread and your bobbin thread are a similar thickness i.e. don't use a 35wt top thread and regular sewing thread in the bobbin - it will be too hard to get a balanced stitch with this combination. Use a new sharp needle that has an eye big enough for your chosen thread. When you load the bobbin, be sure to feel and hear the thread "click" into the tension slot. Use one of the free motion feet - my favourite is the spring loaded metal horseshoe shaped one, but there are several and they will all work. (If you are not using the spring loaded nor the Q foot, go back and turn Q Sensor Foot off in the Set menu.) Make sure ALL the weight of your quilt is supported on your table - any tiny bit hanging over the edge will create drag and make it much harder for you to free motion quilt. Most free motion instructions say to lay your hands on the quilt and glide it around. That has never worked for me. I grab the quilt either side of the bit under the needle and steer it that way. So long as the quilt is well basted, it won't cause puckering. Now, the hardest bit - relax! Remember you are only ever quilting a pot holder - the 6" or so square bit that is actually under the needle. Do that little pot holder and move the quilt and your hands on to the next bit. Sure you may come back to an unfinished bit in order to complete your design, but you are only ever focussing on that small area at the needle. Try to watch where you are going, not where you are presently sewing. Believe me, it works!
If you are still having tension issues, you may need to adjust either the top or the bobbin tension. Do this in small increments only and make a note of where you started from. I try not to alter my bobbin because it has been set by my technician at the best place for regular sewing and embroidery, therefore I have a spare bobbin case that I can fiddle with to my heart's content. If you are going to do a lot of FM quilting this is a very worthwhile investment. Most recently I quilted with King Tut 40wt in the top, Signature 40wt in the bobbin. I had my machine set as above, the bobbin tension was a LITTLE lighter than "normal" and it sewed perfectly. You also need the needle down turned on. Good luck!

Sep 22, 2010 | Husqvarna Designer I

1 Answer

When quilting my quilt the bobbin thread is heavy and messy on


This should be an easy fix, something is wrong with the upper threading. Take the thread off the machine, raise the presser foot up and rethread the machine, that should take care of it.

Apr 21, 2010 | PfaFF Creative 7570

3 Answers

When free motion quilting the bobbin thread loops and snarls. The machine is not currently on a frame, but I have a Grace Sturdy Light and want to put the machine in (the quilt is rolled and ready), but I...


Try threading the machine with the presser foot up and see if the loops and snarls go away.........

When the foot is down during the threading, the tension control is closed and the thread cannot enter as it should.

No tension control of the top thread and the bobbin thread cannot connect for a proper stitch.

Mar 12, 2010 | Janome 1600P-DB Mechanical Sewing Machine

3 Answers

Needle thread breaks while quilting on machine frame


My friend and I both have the Juki 98Q but on different frames - we were both having problems (needles breaking, thread getting tangled) we removed the thin metal thing inside the bobbin case and have had no problems since (over a year now!).

Nov 01, 2008 | Juki TL-98Q

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