Question about Singer 1507

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Looping thread under fabric

I've tried everything, changing the tension on the bobbin, adjusting the tension on the top thread, cleaning and lubricating the hook and it keeps jamming underneath the fabric. The machine was also working fine, then just started doing this half way through my project. Any suggestions?

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  • Singer Master
  • 12,695 Answers

Yep, it's generally user error. The top thread is not seated completely in the tension disk.

Remove the top thread from the machine.
ALWAYS RAISE the presser foot and rethread from the beginning.

Hopefully, all the adjustments you've made to the machine can be reversed because bobbin adjustments can be difficult to undo.

Posted on Feb 19, 2018

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Posted on Jan 02, 2017

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bargainbox
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SOURCE: bobbin tension

This is an issue of your upper thread tension, so take a look at this generic tension solution

If you are in a pickle with your bobbin case, check top tension and bobbin case are free of lint, reset the top tension to 4, and adjust the bobbin tension to suit......some more detail on how to do that, is here

Bargain Box

Posted on Jan 30, 2008

dizzythevamp
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SOURCE: lost my manual for my Brother CS-100-

Here is a site for the manual. Just click get manual, register for free on the site, then download it. It works great!

Posted on Jan 05, 2009

RickE1
  • 202 Answers

SOURCE: Thread is bunching underneath fabric

Needle in correct? Be sure your bobbin is not in upside down and turning the wrong way. Possibly the hook that the bobbicase fits in/on has been hit by a needle and caused a burr that is catching the thread as it comes around. The burr would have to be polished off or hook replaced. The machine could be slightly out of time also.

Posted on Feb 11, 2009

  • 6 Answers

SOURCE: Singer CG 550 Top thread keeps wraping around the bobbin and jam

Have you checked the top thread is correctly placed in the spring of the bobbin case?

Posted on Feb 21, 2009

  • 1 Answer

SOURCE: looping underneath

I watched a 'You Tube' demo that showed ........if you loosen or tighten the very small screw at the base of the bobbin this gives you the correct tension & stops the looping under the fabric........I didn't even know this screw existed ! It is trial & era at first re the correct tension but you do get there.... the art is to do it in small mini stages.....like you hardly move it ! Thanks to 'You Tube' I can now get on and finish my drapes !

Posted on Nov 24, 2009

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1 Answer

Baby lock quest plus and the bobbin thread is all loopy. I have done everything. I believe it is in tension discs. When I move it to 8 or 9 it sews ok. When I sew faster it seems to start looping.


Is it really the bobbin thread that is loopy--not the top thread looping under the fabric? If this is the case, it is called bird nesting. (problems appearing under the fabric are usually a top thread issue, problems on top of the fabric usually indicate a bobbin issue)

Remove the top thread from the machine.
ALWAYS RAISE the presser foot and rethread from the beginning. You may need to loosen the top tension to get it where it should be. The two threads should meet in the middle of the fabric.

If the bobbin thread is still too loose, then an adjustment may be needed to its tension.

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The stitches on the underside are looping I’ve retreaded both the needle and bobbin and neither makes a difference


You are getting a thread mess under the fabric? Frequently, this occurs because the top thread is not fully seated in the tension disk.

Install a brand new needle.
Remove the top thread from the machine.
ALWAYS RAISE the presser foot and rethread the machine from the beginning.
If necessary, adjust the top tension so the top and bobbin threads meet in the middle of the fabric.

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How to adjust lower tension bottom bobbin elna junior sewing machine passap?


On any machine, the lower - bobbin tension is adjusted with a small screw driver, used on the very small screw on the side of the bobbin. "Righty, tighty, Lefty - Loosy." If you stitch an inch of fabric, and the bottom loops come up, then... tighten the bobbin holder. If the loops pull down, loosten it.

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Why is the bobbin thread bunching up?


if your saying that your bobbin thread is balling up under the platen plate , this is a sure sign that your top thread tension is not correct and there isn't enough tension to pull the bobbin thread up from below

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Top thread too tight. Bobbin thread too loose. Bobbin thread bunches up underneath material. The feeder teeth can not feed material through


first thing first - thread inside bobbin should be tightly wound in. Insert bobbin into bobbin case and thread through slot and under the spring. Spring has small screw which regulates the tension. Hold the thread like yo-yo and jerk a little down-up. It should drop just a little (not run down) - that is usually required bottom thread tension,
if not, regulate with the screw. Set top thread tension 3 and sew. If still looping under, increase the top tension higher till the looping disappears. .

Nov 03, 2015 | 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

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New Home ss2015 machine. I am having trouble with the thread tension. I have loops on the bottom. I have cleaned the bobbin case, changed the needle, re-threaded and moved the upper tension all the way up....


try adjusting the top tension to 3 & if it doesn't stop the looping, try 4 but I wouldn't go any higher than 5,, if changing the top tension doesn't help then I suggest taking the machine in to have it serviced. the bottom tension is more difficult to do,, it's also very possible that the top tension dial is messed up & needs replacing. only a sewing machine shop can tell for sure.

Mar 02, 2012 | Sewing Machines

1 Answer

I am experiencing tension issues. Same fabric and thread, worked with the first spooling of the bobbin. Re-spooled the bobbin and now the tension is all messed up. Cannot tighten, and it's gathering...


Good day!

please try this simple tips:

Good day!

A sewing machine operator can often help themselves when their machine does not operate properly.
Here are some simple instructions, which if properly used can save time and mechanics service calls.
TROUBLE;UPPER THREAD KEEPS BREAKING;
This could be trouble;================Do this;
1.Top tension to tight================loosen tension 1 turn
2.Machine improperly threaded=========check threading
3.Thread twisted on guide post========"
4.Thread twisted out of tension======="
5.Take up spring bent or broken=======Check action of spring
6.Thread jumped off pull off finger===Check threading
7.Needle bent or burred===============new needle
8.Bad cone of thread==================try another cone
TROUBLE;LOWER THREAD KEEPS BREAKING;
1.Bobbin tensionspring to tight=======Loosen tension slightly
2.Bobbin threaded wrong===============check threading
3.Bobbin wound to tight or uneven=====try new bobbin
4.lint or thread on bobbin case=======clean inside case
5.Lint or thread inside hook==========clean inside hook
6.Bobbin case nicked bent or burred===check/change case
TROUBLE;MACHINE STARTED SKIPPING STITCHES;
1.Needle bent or burred===============change
2.Needle set in crooked===============Check
3.Thread jumped off take up spring====check threading
4.Thread jumped off pull off finger===check threading
TROUBLE STITCHES SHOWING LOOPS;
1.Forming loops on top of cloth=======Tighten bobbin tension
======================================or loosen top tension.
2.forming loops on bottom of cloth====Tighten top tension
3.Bobbin placed in case incorrectly===remove and replace
4.Bobbin thread slipped from under====check threading of
tension===============================bobbin case
5.Lint or thread in top tension=======clean between tension discs


Thank you and good luck.

Jun 07, 2011 | Brother CS-6000

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