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I have a Janome Memory Craft 4900 sewing machine that had a thred feeding problem. The upper thread knots underneath the plate. This appears to be related to it not properly feeding from the spool

I am thinking that it is related to the way bobin assembly turns. I tried cleaning out the lint, but that did not help.

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Posted on Jan 02, 2017

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SOURCE: Janome Memory Craft 9500 Troubleshooting

The solution that I found last night was the thread tension. I have never touched the dial, only had it set on 'auto." When I started playing with it, I realized the top thread should be really easy to pull through the machine and it wasn't. I started turning the dial (to 3 or 4) and the thread slid through the machine perfectly. No more birds nest! I really thought it was bobbin initially because of the horrible sound it was making.

Posted on Jun 05, 2008

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kent581
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SOURCE: 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.

Posted on Mar 18, 2009

  • 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

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SOURCE: sewing machine only sewing backwards

your mech. need to be service

Posted on Apr 28, 2009

Mongo32
  • 111 Answers

SOURCE: When sewing the bobin thread tangles and jams

upper tension/threading wrong?

Posted on Jul 08, 2009

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2 Answers

My memory craft 350e won't keep the tension tight. What can I do to fix this? Please help.


Balancing Thread Tension - Janome MEMORY CRAFT ...

www.manualslib.com > ... > MEMORY CRAFT 4900 QC > User manual
Janome MEMORY CRAFT 4900 QC Manual Online: Balancing Thread ... Auto-threadtension When the thread tension dial is set at AUTO for ... to increase the threadtension. ... Sewing Machine Janome Memory Craft 350e Instruction Book.

Sep 19, 2015 | Sewing Machines

1 Answer

Sews 1/4" and then sews in place


1) remove upper and bottom threads. Try sew without threads.
Is fabric transported corectly?

NO:
- Drop feed dog button is OFF
- Dust under stitch plate
- Transporter malfunction (must be taken for a service to the BERNINA dealer)

YES:
- Upper or bottom thread jammed
- The upper thread tension is too tight.
- Wrong needle used (probably small ...)

Nov 20, 2013 | Bernina Bernette Deco 600

1 Answer

Janome 9000 top tread breaking changed needle, checked feed through several times


Upper thread breaks
needle may be in backwards
Raise the needle bar to the highest point then loosen the clamp screw to remove the old needle, place the new needle in the clamp with the flat side to the back of the machine
Push the needle all the way up to the stop or as far as it will go, then tighten the needle clamp screw
upper tension may be to tight
the needle may be bent or damaged
thread may be hanging up in bobbin case--check area for loose threads or lint

May 29, 2012 | Janome Memory Craft 9000 Computerized...

1 Answer

Everything was fine and then there was a noise and the thread got all bunched up underneath. I oiled it and it happened again.


change the needle
clean under the needle plate where the feed dogs are for lint
clean in the bobbin area for lint & loose threads
rethread the machine
check to make sure the bobbin is wound correctly & is inserted correctly
make sure to put the thread thru every thread guide

Nov 18, 2010 | Janome Memory Craft 3000

2 Answers

I want to sell my 1991 New Home memory Craft 8000 sewing machine


A good place to see what machines are selling for is Ebay. That's where I sold a sewing machine and an embroidery machine.

It helps to know your product and machine embroidery lingo.

What are cassettes? Floppy disks? These make the machine borderline obsolete.

Memory cards are still around, but most EM now have USB connectivity or USB flash drives.

Satin thread? Embroidery machines use Rayon or Polyester embroidery thread.

Having had the machine recently serviced is also a plus.

Mar 19, 2010 | Janome Memory Craft 9000 Computerized...

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

Janome Memory Craft 9500 Troubleshooting


Have you tried a new needle?

If re-threading, changing the brand of thread, etc. does not work, then it's likely your machine is out of time. Search for sewing machine timing or take it for service.

May 24, 2017 | Janome Memory Craft 9500 Computerized...

1 Answer

Janome 9000


I have a Janome 9000, was sewing and broke needle, replaced and broke another. I didn't have machine threaded, took out bobbin and would sew a little and stop saying thread broke. I took off top plate and started machine again, sew a little and stop saying thread broke. So I took out bobbin case and sewed again and stopped repeating the message. Everything looks OK, bobbin case and top plate. I guess I want to know if the timing could be off or do you think it is the computer part of the machine...Should I take it to the Sewing Machine Shop??

Apr 30, 2008 | Janome Memory Craft 9000 Computerized...

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