Question about Janome Memory Craft 9000 Computerized Sewing Machine

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When starting to sew, cotton becomes knotted in fabric and machine stops. Have tried new cotton spool, new needle, checked for blockages, everything seems to be free-running. Advice please, thanks

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  • Janome Master
  • 7,365 Answers

It is possible that the needle & thread are not compatable
here's how to check
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

Posted on Oct 07, 2010

Testimonial: "many thanks for your advice, most appreciated and especially so quickly. Will follow advice and check, thanks again"

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3 Answers

COTTON THREADS KEEPS BREAKING


Is the spool thread catching on something (like the little notch on the thread spool) or is wrapped around a thread guide? That will tend to break the thread.

Check that you are using the correct kind of needle to match the thread and fabric you are sewing. (Are you using good quality needles? Might try a different brand.)

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&ved=0ahUKEwjJ7Nm4u-bMAhVl6YMKHdOqBwIQFggjMAE&url=http%3A%2F%2Fwww.schmetzneedles.com%2Flearning%2Fpdf%2Fschmetz-needle-chart.pdf&usg=AFQjCNHTR52AmqwzvyCjbXmD5Ch52Va5_Q&cad=rja

All About Needles

Something else to consider is whether the thread is old or bargain bin variety. Try a different brand (preferably a better quality brand) of cotton thread. Threads have really improved over the past few years. If the thread is shredding at the needle eye or you see little fuzzies on the thread (similar to the old cotton-wrapped polyester threads of the 70's), it is not good quality and should be thrown away or used somewhere else.

Another thing to check is whether there is a rough spot on the needle plate or in the bobbin area that may be snagging the thread. Wrap your index finger in some very fine fabric (old pair of hosiery, chiffon, etc.) and rub your finger around and see if it snags anywhere.

Verify that the bobbin is loaded properly in the bobbin case.

The tension could be too tight. Remove the upper thread from the machine. RAISE the presser foot and rethread from the beginning--confirm it is threaded correctly. Set the tension to the midway point between high & low numbers. Retest. The tension is correct when the upper and bobbin threads meet in the middle of the fabric.

..

May 19, 2016 | Sewing Machines

1 Answer

Model 820ex. Why does it have thread nesting, thread breaking, and uneven tension?


You might try cleaning the tension disks by dampening a length of pearl cotton with rubbing alcohol, open the tension disk all the way, raise the presser foot, and then pull the pearl cotton down between the disks a couple of times.

Clean away the lint and thread pieces from the feed dogs and bobbin area. Oil your machine according to the instruction manual--use only fresh good quality sewing machine oil--only 1 or 2 drops of oil each place.

Install a brand new needle. Make sure you are using a needle and thread that are compatible with the fabric you are sewing--that the thread is not too big for the needle's eye, etc.
All About Needles

Make sure you RAISE the presser foot BEFORE threading the upper thread. Rethread the thread from the beginning checking that thread is not wrapping around the spool pin or catching somewhere in the threading sequence.

Verify that you are threading the machine correctly. Misthreading will cause havoc and frustration!

Do not use old or bargain bin thread--Coats & Clark does create problems for some machines.

You might try pulling the bobbin thread to the top before beginning to sew. This helps prevent some of the thread nests you are experiencing.
How and Why to Bring up the Bobbin Thread

The factory tension setting is usually the halfway point between the high and low number. This is where you should start testing your tension. Once you sew a sample, if the top thread is looping/knotting (bird nesting) under the fabric, the upper tension is most likely too loose. If the bobbin thread is pulling to the top of the fabric, the upper tension is too tight. Get used to adjusting the upper tension every time you change fabric, needle, thread. The upper tension is not meant to be static, so don't be afraid to adjust to achieve the proper tension.

Ideal tension is when both the upper thread and bobbin thread meet in the middle of the fabric.

...

Dec 13, 2015 | Elna Sewing Machines

1 Answer

Machine wont sew cotton keeps coming out of needle tried everything


Do you mean cotton thread won't work in the machine ? Does polyester thread work ?

Some thread brands are not as good quality as some others. Not knowing what brand thread you have, it is possible the thread itself is causing the problem. .

If other types of thread work in this machine, it is most likely either the particular spool of thread or the brand being low quality that is the problem. I would try a brand new spool of a high quality cotton thread to see if that helps.

Oct 02, 2014 | Brother Sewing Machines

1 Answer

Consew 206rb1 stopped sewing


Have you tried a new needle? Needles should be changed out before each project and if a large project, several times during the project.

May 16, 2014 | Sewing Machines

1 Answer

Singer 5050 sewing machine threads gathering under fabric and becoming knotted. how do i fix this


Try a new needle and rethreading. Check your threading by putting the presser foot up , then pull thead, should move smoothly, now put presser foot down, now pull, it should barely move. This usually seats the thread in the tension discs.

Jan 02, 2011 | Singer 5050 Mechanical Sewing Machine

1 Answer

I havea 6000 emb machine. it breaks thread bad.just knots the end of the thread


check to see if the thread is catching on anything like
spool pin
notch on spool itself
sometimes thread comes off the thread take up lever-on some machine
check thread tension
check neelde to see if it's bent-roll on flat surface to see if it rolls correctly
if when sewing the is a popping sound when the needle goes thru the fabric the needle is blunt
check for lint & thread in bobbin case area

Sep 23, 2010 | Brother Sewing Machines

1 Answer

New Home sewing maching, using Gutermann thread to sew faced, turned "windows" (square)....PROBLEM: the machine checks, the thread pulls, seriously nests on the underside and I notice that the thread...


1.put new spool of thread on
2.watch the thread on the take up lever,make sure it doesn't come off
3.check the tension disk for loose threads, if there are threads pull out
4.check needle for being bent or blunt --if so replace

Jul 29, 2010 | New Home HF-1012 Mechanical Sewing Machine

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

5932 knotting every other inch


Try oiling the hook if you haven't recently.
Check you needle plate and hook for damage, they may need to be buffed or sanded smooth.
Check your upper tension discs for lint and double check your upper thread path (proper threading).
There are other things like hook timing, needle clearance or broken check spring that may be wrong but you need a technician for those things.
best of luck!

Jan 28, 2009 | Singer 5050 Mechanical Sewing Machine

1 Answer

Thread is going on cutting.


you do need to provide more details.  start here - get a fresh spool of high quality all purpose thread such as Coats and Clarks or Metrosene thread, fill a fresh bobbin, install a new size 11 needle.  Follow the threading instructions even if you've threaded the machine a million times, read the instructions again.  try sewing on some basic cotton fabric.  You'll be able to determine if it's the machine.  Breaking thread can be the thread (it does get too old and fragile), the needle, the incorrect needle for the fabric, the wrong thread for the fabric, and a host of other things.  So try that and tell us more if that doesn't work. 

Dec 27, 2008 | Janome Memory Craft 9000 Computerized...

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