Question about Brother LS-2125 Mechanical Sewing Machine

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Threads not sewing

Needle does the motion and the threads arent being used--- ??/

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  • kcusnem Nov 12, 2008

    I have a very very old Brother doing the same thing. I have taken it apart and I believe it has something to do with the bobbin assembly. Everything else works great until I engage those gears then it doesn't want to move. When I un-engage those gears the needle moves smooth as silk, but there is no stitching b/c the bobbin assembly is not engaged.

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Please send pictures of accessories for LS-2125 and explain their uses. The paperwork inside of box was thrown away by mistake.



Sammie4

Posted on Nov 10, 2008

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1 Answer

When using the 5 threads, do you have to move a needle and when using all five threads, should all five be in the thread tail, or will two threads be loose?


when using a 5 thread serger, and all 5 needles have to be used,, but if your using 3 or 4 threads then you'd only use 3 needles, you can remove the needles, just remember to insert them back in correctly

May 03, 2016 | Sewing Machines

1 Answer

My needle threads keep on breaking, I don't know what to do


  • Check the tension of the upper thread. If it's too tight, the pressure on the thread will cause it to break.
  • Check the thread you are using. If you're using two different kinds (one on top and one in the bobbin) that difference can cause the threads to break.
  • Are you using the proper thread for the job? Using a thin or light thread for sewing heavy fabric can lead to breakage.
  • Are you using the correct needle? Sewing knits with a sharp needle or sewing woven fabrics with a knit or ballpoint needle can also cause the thread to snap.
  • Is your machine threaded correctly? Incorrect threading can be another cause for thread breakage.
I hope this helps.

Mar 04, 2015 | Sewing Machines

1 Answer

Pfaff quilt expression 4 0


The top 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

8. Try a different spool or cone of thread

Aug 23, 2013 | Sewing Machines

1 Answer

Bobbin case jumps out of place when free-motion quilting


Skipped stitches
1. The needle is not inserted correctly
Remove needle & reinsert needle( flat side towards the back of machine)
2. The needle is damaged
replace with new needle
3. The wrong size needle is being used
Choose a needle to suit the thread & fabric
4. The foot not attached correctly
Check & attach correctly

bird nesting problems

Try these suggestions

1. Change needle

2. Rethread the machine--top --make sure to use every thread guide

3. Take the bobbin out --make sure it is inserted correctly into the bobbin

Case, & make sure the bobbin is turned the correct way

4. make sure the thread has not come off the thread take up lever

5. Clean under the needle plate & in the bobbin area for lint or threads



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

Sep 12, 2012 | Sewing Machines

1 Answer

Upper thread get s caught under the needle plate when free motion quilting. Forms a loop and the fabric can't move.


change the needle
clean under the needle plate & in the bobbin area for loose threads & lint
rethread the machine top & bobbin

Mar 16, 2012 | Husqvarna Sewing Machines

1 Answer

When sewing, the thread keeps pulling the fabric threads and the result looks messy. I've tried playing with the thread tension but it won't help.


have you tried using a new needle- if the needle is the slightest bet bent or or damaged it can cause problem with the fabric threads

if the needle is not the correct one for the fabric, it can move or damage the fabric threads

also clean under the needle plate for loose threads or lint also in the bobbin area

Aug 29, 2011 | Brother CS6000i Computerized Sewing...

1 Answer

Using Janome 8080 for free motion quilting and tension is not working. Tried different threads, needles and tension settings. Sometimes it works for a few inches but then the tension gets really loose on...


check to see if cleaning is needed. Threading and bobbin are correctly done. Could be thread if using a cheap brand. Try Sewer's Aid as a last alternative. That item is great for problem threads.

Jul 21, 2011 | Janome 8080 Computerized Sewing Machine

1 Answer

It is threaded. but it goes through motion but there is no sewing.


Make sure that your bobbin is full and that you have picked up the bottom thread. Before you start sewing you should have two threads lying on the needle plate. To catch the bobbin thread, hold the needle thread and turn the machine by the hand wheel. The needle will bring the bobbin thread up with it. Pull the threads out about 4 inches and then you are ready to sew.

Feb 24, 2011 | Kenmore 15516 Mechanical Sewing Machine

1 Answer

Thread breaks when free motion quilting...what tension should I be at?


Firsrt, try going slower, especially on curves. The Juki is so danged fast, it's easy to run faster than the thread can handle. As far as tension, the best approach is to experiment with a scrap quilt "sandwich" until you find the best tension settings. Also, could your problem be with the thread you're using? Different threads call for tension adjustments. Try using a bigger needle-smaller needles can "cut" the thread, as can defective needles, especialy on curves with free motion. Tension issues are, without a doubt, the biggest problem I've had, but patience and experimentation will usually solve whatever is going on.

Jan 16, 2011 | Juki TL-98Q

1 Answer

My Pfaff 4.0 breaks needles and shreds thread when free motion quilting


a sewing machine I work on last week, I put a new needle in the needle clamp & thought I had it correctly inserted,, but it wouldn't work,, so I went back & checked the needle again & found I had to unscrew the needle clamp screw even more than normal to insert the needle then it work perfectly.

some needles & thread don't work togeather--here's a tip
Cut 6-8 inch piece of thread of the spool you are going to use for your project
Take the needle you are going to use for the project
& insert the thread thru the eye of the needle
& lift one end of the thread to a 45 degree angle
& if the needle is the right size for the thread it will slide down the thread
But if the needle hangs on the thread you need one size larger needle for the thread

also clean under the needle plate where the feed dogs are for lint
& also in the bobbin area for lint & loose threads

Nov 18, 2010 | Sewing Machines

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