Question about Brother XL-5700 Mechanical Sewing Machine

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Bottom thread keeps knotting up

It won't sew, the bottom thread keeps knotting up. Needle keeps putting holes in but no thread in bottom, thread on top just tries to hang on but bottom knots

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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  • 399 Answers

SOURCE: I have a Brother SE-270D

its the problem of the timing belt in your machine its extra loosen or extra tightned or is slightly came out of its position or finally broken.
as the machine is proper just missing the proper speed as it should be .
it is running continuosly as you stated.
check the timing belt and make it proper if its worn out and needs replacement this is how its done

There is an adjusting screw on the right side of the machine head. Follow the motor bracket to the machine head and loosen that big old screw or bolt which will raise or lower the motor giving you slack to remove or replace the belt.

feel free for further queries
thanks

Posted on Sep 19, 2008

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  • 1 Answer

SOURCE: thread knotting around bobbin case

hello, I had the exact same problem and could not find the solution until i took my machine to my sewing sensei and i solved my tedious problem. It was actually not a tension problem at all but a threading problem. Make sure you have threaded your bobbin correctly and that when you pull on the bobbin thread that the bobbin turns the right way. (mine must spin anti clockwise to work)  Make sure that when you pull up the bobbin thread using the needle that it is not over the feed dogs connective bar but under it. A big problem when the thread gets caught around the bobbin case wheel is that the thread is looped around the feed dogs once and that causes the thread to get caught around the bobbin wheel. In conclusion, thread the bobbin correctly and read over your instruction book before spending the money to get it fixe in s shop.

Posted on Mar 31, 2009

  • 201 Answers

SOURCE: needles keep breaking & bobbing wont feed thru

First try taking your bobbin case right out of the machine (not sure if this model has a top loading or front loading bobbin, but your manual will help you here) and floss out the tension slot with a piece of strong thread. Don't use waxed dental floss, but non-waxed would work okay. (The bobbin case is the piece that the bobbin sits in.) Look around while you have the machine open and remove any fluff and thread you can see - TURN MACHINE OFF BEFORE DOING THIS! Replace bobbin case. Replace bobbin and make sure it "clicks" into the tension slot.

Then unthread the top of the machine, clean the tension disks by passing a folded dollar bill (or any paper money, depends on what country you are in) through the disks in the direction you thread the machine. Do this several times. Re-thread making sure you follow the correct thread path.

Make sure the needle plate is on firmly.

If after all that it still won't work, I'm sorry to say that it sounds like you have a misaligned needle bar. This commonly happens after you have a major thread snaffoo and needle breakage. The needle gets caught in the thread knot, pulls to the side and breaks but if it gets seriously caught it can pull the needle bar out of place. You cannot put the needle bar back in place yourself - it's a job for the workshop. Don't sew on your machine until it is fixed. The noise you are hearing is likely to be the needle striking against the needle plate or even the bobbin. Your timing will probably need re-setting too and this needs to be done by a qualified technician.

If you really need to sew before you can get your machine into the workshop, and if you can move the needle position on your machine by pressing a "sideways" button of some sort, you could try to get the needle in the centre yourself using this feature. This will not help if it is the timing that is the major problem.
Pam M.

Posted on May 03, 2009

  • 5 Answers

SOURCE: Sewing Machine (brother XL 3200)

You may have the bobbin case in wrong.  I have this machine, and I know that it is really easy to put the bobbin case in wrong.  Try taking it out and making sure that the little stop is in the front and it is seated down in there and able to wiggle back and forth.  My experience with this machine, until the other day when my cat knocked mine off the table and knocked something out of alignment, is that it just works.  Any time mine hasn't worked, it has either been dirty, needing oil, threaded wrong or the bobbin case wasn't seated right.  In other words, it has always been my fault.

Posted on May 25, 2009

  • 1619 Answers

SOURCE: how to stop bobin thread from knotting

When loading the bobbin there is most likely not enough tension on the thread letting it overlap incorrectly. Try wrapping thread around a tensioner when filling and that should help. That way the bobbin is rolled as tight as the tension on the upper thread when sewing.

Posted on Apr 13, 2010

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1 Answer

When using the button hole attachment, my fabric is not moved forward by the lower plate and thread gets caught up under that bottom plate. How do I fix this


Perhaps you have the stitch length set too short (close together) so the thread under the fabric is building up into a knot and then hangs up in the space under the needle plate. Try lengthening the stitch length and do some tests until you get it where you want the buttonhole to look.

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Jan 30, 2016 | Sewing Machines

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I have juki 1541industrial machine . It started sewing upside down . Instead of nice stiching on top show side it on bottom. Any ideas


This is caused by the tension between the bobbin and needle threads being out of balance. If the knots between the stitches are on the bottom side, then you need to tighten your needle thread tension a little at a time until the knot is in middle of fabric. The reverse of this is if the knots are on the top, then either your bobbin tension is too loose or your needle thread tension is too tight. If this occurs, then loosen your needle thread a little at a time to see if knot goes down in middle of fabric. If it does not, then you need to increase the tension on your bobbin thread. This done by taking bobbin case out and tighten the small screw located in the middle of the spring on the side of the case. You only need a slight, steady pull on the bobbin thread - the more you put on the bobbin, the more you are going to have to put on the needle thread.

Feb 13, 2015 | Juki Sewing Machines

1 Answer

How to adjust the tension disks on my Pfaff sewing machine?


Make sure your bobbin is the right size. If it is too high it won't turn freely. Also, make sure you drop the bobbin in so it rotates clockwise. The tension must adjusted by hanging the bobbin from your hand and bob it up and down gently. It should move about one inch downward once adjusted properly. The hole in your plate should be checked to ensure the center where the thread dispenses is smooth. Use a finger nail file to smoothen if needed. Now, adjust the top tension to four. You may need to adjust just slightly. Just remember when you remove the bobbin assembly to put a drop of oil on the race. (Many forget this). When you rotate the handwheel towards you the bottom thread should come up. If this doesn't happen then you will need to have adjustments made.

Jul 31, 2014 | PfaFF Sewing Machines

2 Answers

Cant get my bobbin in right position it keeps knotting up on inside of fabric


Top thread problem, Not enough tension on top=loops on the bottom of the fabric; too little tension on the bottom = loops on top of the fabric. Yes, I know it seems backwards. See: http://www.picturetrail.com/sfx/album/view/22521551
Dollars to donut holes, you either threaded the top of the machine with the presser foot down (it has to be UP to let the thread into the top tension), or you're trying to sew with the presser foot still up (which is an issue common to people trying to sew bulky seams).

Take the thread off the top of the machine, take out the bobbin case and give the machine a cleaning, rethread the machine, fetch up the bobbin thread and hold the bobbin and top thread ends together under and behind the presser foot for the first 2-3 stitches of each seam.

Jan 26, 2014 | Brother LS-2125 Mechanical Sewing Machine

1 Answer

The top thread just hangs and knots on bottom of material


try changing the needle-flat side goes to the back of the machine
check to see if the thread has come off the thread take up lever
try rethreading the machine top thread & bobbin
clean under the needle plate area & also in the bobbin area for lint or loose threads

Feb 20, 2012 | Sewing Machines

2 Answers

Bobbin thread keeps knotting


1. Do you mean that there are knots in the bobbin thread?
2. Is the bottom thread in your stitching looping and knotting.

If yes to 1. you need to rewind your bobbin fresh, and keep slight tension on the thread reel that you are winding it from. Put the handle of your scissors into the top of the reel to apply a gentle pressure while winding. Keep your eye on the bobbin as it winds and give it a nudge with a finger tip to ensure it winds the bobbin evenly top, middle and bottom.

If yes to 2, then you need to check your bobbin threading, is the thread even under tension. Is the bobbin tension set correctly. Break out your manual and revisit this to ensure it is set correctly.

Feb 27, 2011 | Brother XL-5340 Mechanical Sewing Machine

1 Answer

Bottom (bobbin) thread knots up as I am sewing? please tell me what I need to do. I'm very frustrated!!!!


check the needle to see if it's damaged-roll on flat surface to see if it rolls correctly
if the needle makes a popping sound going into fabric it is blunt
check the top thread & bobbin tension
some sewing machines knots up in bobbin area when the top thread comes off the thread take up lever
here's a tip how to tell if thread & needle are compatible

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 check to make sure that the bobbin is not warped

Oct 01, 2010 | Singer 3116 Simple

2 Answers

Thread is knotting up on bottom of fabric causing it to stop


1.check the needle & see if it's bent--if so replace
2.lay the needle on a flat surface & roll the needle over if it doesn't roll true replace
3.check for blunt needle-if needle makes a popping sound when needle penetrates fabric
4.needle is not all way up in holder
on my mechanical sewing machine sometimes the threads come off the take up lever, that causes the thread to bunch up under something I'm working on
also check thread in bobbin

Jul 28, 2010 | Janome 4623 Mechanical Sewing Machine

1 Answer

Skipping stitches and knotting up underneath.


Hello,
Here are a few things to try.

* Raise your feed dogs if your machine has this feature.

* When you start to sew a seam, hold the upper and bobbin thread tails. Hold them back and out of the way as you sew your first couple of stitches. This will keep them from getting caught in your machine.



* Your fabric may require a different needle. Generally, heavier fabrics require larger needles and thinner fabrics, smaller needles. You may also need a larger needle if you’re sewing through many layers of fabric. And make sure to use a ballpoint needle for knit fabrics and a sharp needle for woven (or a universal needle for either). And make sure your needle is appropriate for the type of thread you’re using.


* Adjust the pressure of your pressure foot, it may be too light for your fabric.


* If your upper thread and bobbin threads are different types, try using the same thread for both. And use a good quality, brand name thread.



* Change your needle plate. Try switching to a needle plate with a smaller hole (a straight stitch needle plate).


Important Note: If you change your needle plate, check to make sure your needle aligns perfectly with this smaller hole before starting to sew. A misaligned needle could hit the plate and break, which could be dangerous. And make sure to change your needle plate back for zigzag and other wide stitches.

Hope this helps.

Sep 23, 2009 | Janome Sewing Machines

1 Answer

Upper thread knots up with bobbin thread when sewing a stich


Thread test
Test your thread quality to start, thread your machine and LIFT the presser foot (this opens the tension disks). Pull your top thread straight back. If you feel no tension no mater how much thread you pull, your thread is good. If that your machine passes that test, then let me know, we can go to step 2. If not, try different spool of thread, same test until you get a smooth pull (tip: always check your thread this way when you thread your machine)
Step 2:
Pull on your threaded bobbin thread while it’s in the machine. Does it pull smooth and even? If so, go to step 3. If not, try a new bobbin (bobbins get bent or distorted if wound too tight).
Clean thoroughly in the hook and bobbin case area and oil 1-2 drop is all.
Thread knotting on the bobbin can be a lot of things but here's some guidance:
Tension:
If the thread is loose on the bottom of the fabric, it's actually the top thread is too loose. Think of 2 little elves playing tug of war in your machine, one on toip and one underneath. If you have loops on bottom, the top needs to pull harder (tighten top tension)
Jamming bobbin case:
If it is damaged from turning out of place once, it could have rough spots on it that makes the thread hang on it, and keeps making it turn over and over. Use a finger nail board (fine sanding) and smoothall rough spots. Then reset the bobbin case taking care to put the notch in the bobbin case in alignment with the proper spot in the machine (basically 5 o’clock) when looking at the round area where the bobbin case goes.

Mar 16, 2009 | Sewing Machines

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