Question about Brother LS-1217 Mechanical Sewing Machine

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The thread is knoting underneath when sewing

Thread on top looks good but you turn it over and it looks like it squigels instead of a clean sewing look.

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It sounds as if the top tension is not high enough.

  • Try sewing on some scrap material of the same type before you start any project.
  • Check to see that the stitches lock properly in the middle of the layers of material.
  • Increase the top tension until the bottom thread pulls right through to the top. Then slacken until the top is just pulled into the layers.
  • Check that your top tension disks are clean.
  • Make sure you have the presser foot down because there will be no top tension otherwise. The lever opens the top tension disks in the Up position.

Posted on Mar 08, 2015

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  • 65 Answers

It sounds like you maybe using the wrong needle size for the material you are sewing, or perhaps it is the thread. I've found that not all threads are created equal and it may be too fine/heavy for the needle gauge your using.

Check out this site. All the Q&A answers in simple language, as well as a GREAT cust. support staff. (its a Brother after all!)


http://welcome.solutions.brother.com/BSC/public/us/us_ot/en/model_top/HomeSewingMachine/hf_ls1217eus.html?reg=us&c=us_ot&lang=en&prod=hf_ls1217eus

I hope this was helpful. Good luck and...
Happy sewing!

Posted on Jan 24, 2009

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When I sew I have thread bunching up underneath the fabric, I've changed needle size, thread, bobbins and cleaned out around the bobbin holder. I'm frustrated and out of ideas.


Susan--
Easy peasy, once you know the problem and how to fix it. It's called "bird nesting" or "thread nesting" or what I refer to as thread "barfs."

Install a brand new needle.
Remove all the thread from the machine.
**ALWAYS RAISE** the presser foot and rethread the top thread.
Verify the top thread path is correct.
Install and thread the bobbin case, make sure it is correct.
Set the top tension to the midway point.

Now retest your machine. Birds nests gone? You may need to tweak the top tension because the factory standard changes due to age and use.

FWIW, problems appearing under the fabric are an issue of the top thread. Thread problems appearing on top of the fabric is a bobbin issue.

What causes Bird Nests Superior Threads

Birds nest under the fabric big loops of thread top side looks good...

WHY IS THREAD BUNCHING UNDERNEATH MY FABRIC

Mar 25, 2017 | Sewing Machines

2 Answers

After sewing a few stitches, the machine gets jammed. the top stitch looks fine, but underneath there's a ton of thread all bunched up (top spool thread)


What you are seeing is called "bird's nesting." There are two main reasons for "bird's nesting."
The first one is the thread not between the tension disks. That allows the thread to be pulled from the spool instead of pulling the thread tight from underneath. Always make sure to always put up your presser foot before you thread the tension disks. I also check the thread after I finish to make sure the top thread has good tension on it before sewing.
The second reason is the thread is not being pulled by the take up lever. Make sure you see it being pulled by the take up lever before you start sewing. If not, rethread it.

Good luck.

Jan 02, 2016 | Singer 8280 Mechanical Sewing Machine

1 Answer

When i start to sew it binds up from the bottom


be sure to hold the top and bottom threads in back and away from machine as you start to sew. once you have sewn several stitches you can let go and continue sewing. sometimes this is all that is needed to avoid the "birds nest" on the bottom of the project.

Feb 23, 2013 | Euro-Pro 7500XH Mechanical Sewing Machine

1 Answer

Bernina minimatic 707 not sewing evenly


Sounds like it's not threaded properly and or you have tension problems. Re-thread with the presser foot UP. Sew a test seam. If you still get loops loosen the upper tension... a little at a time. Sew tests seam after each adjustment.

Sep 02, 2012 | Sewing Machines

1 Answer

Bobbin shuttle


1. Clean shuttle with your sewing machine brush to remove old broken threads, lint, and sweep out the feed dogs carefully. 2. Rethread making sure you have the handwheel turned toward you, all the way up. 3. Lift presser foot up BEFORE you put thread front to back in eye needle. 4. Set machine on straight stitch sewing. Attach straight stitch foot if necessary. 5. Make sure 5-6 inches of thread are pulled toward you from threaded needle. 6. Pull up bobbin thread. 7. Pull 5-6 inches of bobbin thread and put it, along with needle thread under presser foot. 8. Put fabric scrap under presser presser foot and LOWER it now. Make sure, too, that the needle is correct size for fabric you're sewing. 9. Do a test. You may need to set tension at 4, stitch length at about 4 and width at 6. Just test it and adjust tension in very, very short turns. Another tip: Put one drop of good quality sewing machine oil on the hook, lower left-hand side. Make sure when you thread bobbin in the bobbin case to hold bobbin between thumb and forefinger and pull out about 4 inches of thread after you make sure thread unwinds top left (if you are right-handed!). Guide the thread into the slot in edge of bobbin case (screw sits on top of this "edge". Pull thread under tension spring and then into the delivery eye. Never panic, my friend! Try this and see if this helps. You should probably insert new needle too--just in case "old" one bent. Jimmy

Mar 31, 2012 | Brother LS-2125 Mechanical Sewing Machine

1 Answer

I have looping underneath. Top stitch looks great.


top tension is too loose,check threading up and tension dial. should be on 4-6. read manual and if possible clean tension device. if it is accessible you turn dial to zero and "floss" between tension discs using selvage edge of clean piece of cotton fabric. you can moisten it with denatured alcohol if very dirty. thread sheds dye particles, especially black or cheaper threads. needs to be removed regularly to keep tension discs clean. turn back dial to 5 after and thread up again. often this will resolve the problem

Aug 27, 2011 | Janome Memory Craft 9000 Computerized...

1 Answer

My singer curvy 8780 has a timing issue the needle is scraping on the bobbin casement and will not sew,cleaned and oiled, changed needle turned off and on. any suggestions?


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 06, 2011 | Singer Curvy 8770 Electronic Sewing...

1 Answer

Keeps skipping stitches and knots thread


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 06, 2011 | White Sewing 2037 Mechanical Sewing...

1 Answer

My thread keeps breaking on my elna tx electronic sewing machine


Love the TX, its a gem. Is it the top thread that is breaking before the needle?

You could check the following:
tension dial - set to 5 and working okay? Unthread, turn it to zero and floss between the discs with a clean piece of cotton waste to remove any lint and dye build up. Turn back to 5.

Thread - are you using a good quality polyester or cotton wrapped polyester thead on top? Same thread top and bottom. Also check the spool doesn't have a little knick in it to hold the thread tail, sometimes the thread will catch in this as it runs off. Turn the spool up the other way. Using a felt disc under the thread spools also aids in a clean flowing thread. You can always make your own by just cutting a circle of felt about an inch diameter and punching a hole in the middle with your awl. Have you got the little thread eyelet out from the top accessory box and have the thread running through this?

Now check needle isn't bent blunt or has a burr on it and look around the needle bar or the eyelet above it to see if there is any sharp protrusion that is rubbing or catching the thread. Put in a new needle, flat shank to the back, and rethread down to just before the needle. Lower the pressure foot to engage the tension device and pull the top thread, there should be resistance but if it feels like its just not releasing at all, then the tension device could be faulting.

Remember, to always hold the two thread tails firmly behind the sewing area at the start of every seam to avoid them being pulled into the bobbin area.

Test sew again after trying the above; if no joy then take it to an Elna dealer. In face if the machine has not had a service clean in past two years then I'd definitely recommend you look up your nearest Elna dealer and take it in for one. Well worth the money for this little gem of a machine.

May 04, 2011 | Elna 2007 Mechanical Sewing Machine

1 Answer

The thread does not catch for the top stitch, and just bundles up underneath and turns into a big mess of threat. I was told that the tension on the bobbin needed to be adjusted. Is this right, and if...


You could try adjusting the tension on the bobbin but it rarely needs adjusting.
Have you checked that all the top tension discs are clean? Often a tiny bit of broken thread causes problems. Pull a thick piece of thread manually through all of them or prise gently open and look. Take out the bobbin case and put the hoover end in the empty space to **** out any stray threads, or shoot compressed air in there to blow it clean.
Remove the needle plate and check for broken threads underneath.
Try re-threading the whole thing and remember to keep the presser foot up as you do it to keep the top tension discs released.
I have found that a blunt needle can also cause this problem....no idea why.

Have you oiled your machine recently, perhaps something is stiff. Your manual should tell you where to oil. Good luck.

Apr 03, 2011 | Brother LS-2125 Mechanical Sewing Machine

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