Question about Juki TL-98Q

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Bobbin does not stitch

When I start to quilt the top thread sews but the bobbin thread does not make a stitch..I bring it up top before I start to quilt and the bobbin doesn't seem to be too tight.

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  • Juki Master
  • 1,564 Answers

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

Posted on Nov 03, 2012

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 323 Answers

SOURCE: Loose stitching underneath. HOW CAN I FIX!!!!

Sounds as though you may have a burr or rough spot on the hook where the bobbin inserts. Run your finger along the edge of the hook to see if there are any rough spots.I'm sure you're going to find at least one from the time you broke the needle.Once you locate it, remove it with an emery stick or small sharpening stone. Polish it so that it is smooth. Should work okay.
sewman7

Posted on Jun 27, 2008

  • 3 Answers

SOURCE: needle thread breaks while quilting on machine frame

I think you might have better luck if you use 40 or 50 weight thread.

Posted on Dec 20, 2008

rylee_smith
  • 8619 Answers

SOURCE: my Juki DL 5555 won't pick up bobbin thread

It is possible that you have the bobbin in backwards. Try inserting the bobbin so that the thread pulls in the opposite direction than it currently does. Also, sometimes you have to really push the bobbin case in to make sure it snaps into place. Other than that, you may have a dull needle...try replacing it, or it just may need an overhaul.

Posted on Jan 30, 2009

SewTechWayne
  • 186 Answers

SOURCE: Needle Thread breaking after about 30 seconds of quilting

Make sure the feed dogs are dropped (or feed dog cover is on - I can't remember which way this machine works). The stitch length on the machine has no function so ignore it. (I set it to zero so the machine doesn't have to work as hard). Hopefully this is all that's wrong. If not, use a shorter setting for the stitch length on the regulator, oil the hook and move slowly and smoothly.
Good luck!

Posted on Jan 31, 2009

  • 161 Answers

SOURCE: I recently purchased a Juki

perhaps you have the wrong needle or its not in the proper position?

Posted on Sep 12, 2010

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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

I am using the walking foot for a quilting project that I am working on, however, the bottom stitching is just looping and can just be pulled away from the fabric.


Be sure you are using a brand new needle.

Remove the thread from the machine.

ALWAYS RAISE THE PRESSER FOOT and rethread the upper thread from the beginning. Make sure the thread path is correct.

Verify the bobbin is installed and turning the correct direction in the bobbin case and that the bobbin thread is threaded through the bobbin tension mechanism.

Set the upper tension to the midway point between high & low number--this may require some adjustment for your particular machine.

Pull the bobbin thread to the top of your sewing project before beginning to stitch.
How and Why to Bring up the Bobbin Thread

Re-test your machine on a scrap quilt sandwich (make sure the walking foot is installed correctly and that the presser foot is lowered when beginning to stitch).

Consult the owner's manual for instructions for presser foot pressure. The pressure may need to be adjusted because you are dealing with a sandwich that is thicker than regular fabric.

You may also try changing the type and size sewing machine needle you are using. Using a Top Stitch or Microtext needle will help the needle to penetrate the fabric sandwich easier. A Top Stitch needle has a larger groove to protect the thread as it pierces the fabric which helps prevent looping.

Also, verify the thread is not too small for the needle's eye.

All About Needles

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&ved=0ahUKEwil1tu2mb3PAhVR6mMKHUlvB_4QFggoMAE&url=http%3A%2F%2Fwww.schmetzneedles.com%2Flearning%2Fpdf%2Fschmetz-needle-chart.pdf&usg=AFQjCNHTR52AmqwzvyCjbXmD5Ch52Va5_Q&cad=rja

Oct 02, 2016 | Sewing Machines

1 Answer

Model 4075 white sewing machine thread from bobbin builds up and stops sewing.


Check the stitching and confirm that it is in fact bobbin thread and not the top thread that is creating knots & loops under the fabric. This is usually the case and is called thread nests or bird nests. (You can search the internet for more information about this symptom.)

Install a brand new needle.
Remove the thread from the machine.
ALWAYS RAISE the presser foot while rethreading the upper thread.
Confirm the thread path is correct.
Verify the bobbin is installed facing the correct direction in the bobbin case and the bobbin case is threaded properly.

Set the upper tension to the midway point (factory standard) although it may need to be tweaked as machines change with use and time.

Pull up the bobbin thread. This method works with general sewing projects, not just quilting.
How and Why to Bring up the Bobbin Thread

Begin to test sew slowly.

If the thread is still making a mess, then the machine most likely has a timing issue. There are multiple web sites and videos that discuss sewing machine timing. Or take it for service.

...

Sep 30, 2016 | White Sewing Sewing Machines

1 Answer

In the middle of a project the top thread is being pulled into the bobbin area and it jams.


When that happens with my machine, it's usually because the thread has jumped out of a thread guide (often, in my case, it's the takeup lever).

Remove the thread from the machine.

Install a brand new needle.

RAISE the presser foot and then rethread the machine from the beginning. Raising the presser foot releases the tension disk so the thread will seat properly. Check that the thread path is correct.

Before beginning to stitch, bring the bobbin thread to the top of the fabric. Then grasp both thread tails between your two fingers when you take the first couple of stitches. (These instructions refer to quilting, but it works for regular sewing too.)

How to Pull Up the Bobbin Thread
How and Why to Bring up the Bobbin Thread
Machine Minute Pulling Threads to Top


May 28, 2016 | Sewing Machines

2 Answers

Why first four to five stitches will not interlock


try changing needle
try rethreading machine
also could need a adjustment or have a timing problem

Feb 27, 2016 | Sewing Machines

1 Answer

Brother Sq9185 sewing machine, the thread on bottom just pulls out, when free motion quilting? how do I fix this


Sounds like the upper tension needs to be tightened, or the bobbin thread needs to be loosened. At any rate, the tension is correct when the two threads meet in the middle of the fabric for general sewing.

For free motion quilting, the tension should be adjusted so that the bobbin thread does not show on the top of the fabric, however, it should not lay in a straight line like it sounds like it may appear currently. What you are currently producing is a gathering stitch where the bobbin thread can be easily pulled.

...

Nov 16, 2015 | Generic Brother 130-Stitch Sewing and...

3 Answers

Why does the bobbin thread jam up on my Singer sewing machine?


thread tensions will be at fault here
if there are loops under the material then tighten the needle thread tension
otherwise tighten the bobbin thread tension

May 02, 2015 | Singer Sewing Machines

4 Answers

I just bought a singer stylist 9100 and its driven me to tears. The bobbin thread keeps couching through the top of my quilt, pulling the top stitches into a tight blanket stitch looking mess. I have...


Suggest you check your bobbin tension, pull the bobbin thread and if you feel it too loose, most likely bobbin thread not threaded correctly into the bobbin case tension plate. Do refer to your manual if you have one.

Jul 18, 2013 | Sewing Machines

1 Answer

Pfaff varimatic 6091 sew a rag quilt with jean and flannel,I can't get my tension right it seems to be funny on the bottom stitch,where shoulf the top tension be set at 4 1/2 ,when do I adjust the bobbin...


Hi! The bobbin tension rarely needs to be adjusted. First, make sure you're using the appropriate size needle and thread for your fabric (I'd probably use either a 'denim' needle or a universal size 14) and also that the upper thread and bobbin are threaded absolutely correctly. These can throw off the tension! Also, take the time to clean out the bobbin area. That can throw your stitch off also.

If the stitch on the bottom is loose, so that you see the top threads, then the top tension is too loose. If the top stitch is too loose and you see the bobbin threads on top, then the top tension is too tight.

It helps to thread the machine with different color thread on top and in the bobbin, and then stitch an inch or so on the same type of fabric as you're using in your quilt. Check the stitch. If you need to adjust the top tension, make sure the pressure foot is down! Adjust a little, stitch a few inches, and check again. Repeat until you don't see any (or very little) bobbin thread on the top or top thread on the bottom.

If you go through all these steps, and the bobbin thread is still loose (and you've tightened up the top tension), then there is a tiny little screw on the side of the bobbin case that you can use to adjust the bobbin tension. Turn the screw just a little bit (less than a quarter turn), stitch, check, etc. Once the bobbin tension is set, you shouldn't ever have to change it.

Let me know if this helps, ok?

Happy sewing!




Feb 10, 2010 | PfaFF Sewing Machines

1 Answer

Cannot machine quilt without the thread breaking and/or shredding. I've change needle, thread type and size and tension on my fabric.


If the thread is shredding and breaking, there is an incompatibility of your needle, thread, and fabric. Could be old, bargain bin, or poor quality thread--does the thread have little "hairs" of thread lint sticking out of it--that's probably not good quality. Look for fresh, good quality thread. Try a brand new needle--a sharp if you are sewing woven fabric. Make sure the thread is not too big for the needle eye. Sometimes, a top-stitch needle or embroidery needle will work well on FMQ. (A top-stitch needle has a longer scarf which helps protect the thread during the multiple times the needle penetrates the fabric before the thread forms a stitch. Shredding means the thread is getting worn out before it forms a stitch. A piece of thread penetrates the fabric 10-20 times before it forms a stitch.) Could also be a snag somewhere that is damaging the thread.

Sewing Needle Troubleshooting Guide

SCHMETZ Household Needle Chart

Most FMQ instructions say the upper and bobbin tension should be the same, however, I find my machine works a bit better when the bobbin thread is just a little tighter than the upper thread. Then the bobbin thread does not "pop" up on the top of my fabric quite as much. It's probably something you will just need to experiment with in getting used to your machine.

P.S.--when threading your machine, make sure the Presser Foot is ALWAYS RAISED so the top thread will seat properly in the tension disk. Failure to do this will cause thread barfs (usually referred to as thread nests or bird nests) under your fabric. Also, before beginning your FMQ, ALWAYS PULL the bobbin thread to the top of the fabric, then hold both thread tails gently in your left hand while you slowly take the first couple of stitches.

How and Why to Bring up the Bobbin Thread

...

Mar 01, 2017 | Brother Sewing Machines

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