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Janome thread overlocker I de-activated the knife on my ( new) Janome 744D. I've used it so far for over locking only and have just re-threaded to use the left hand needle in order to sew seams. It's taken me 3 and a half hours to re-thread it so that it works but the knife is still de-activated and I cannot get it to activate. I follow the instructions - on DVD and from the manual- and my engineer BH can't figure it out , either. (The problems with re-threading gave me 7 ! Broken needles!) it's sewing but not cutting. Please help.

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6ya6ya
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Posted on Jan 02, 2017

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bargainbox
  • 1388 Answers

SOURCE: Help, Janome Ezy Lock 304D Overlocker!

Although the tension units on your machine are of a different configuration, always thread from the right spool first and then each one to the left.........ONLY in that sequence !

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now take a look at this sewusa site for a better view of the actual routine through the thread guides.........as I say, the tension units are different, but the sequence is the same, just use the image from above to see which one is next........this chart, just as the one on the fold down cover of your machine need to be followed one thread at a time from R to L

If you want any more help with this, just post back here, or, drop a line through the "Contact Us" page at www.bargainbox.com.au

Posted on Mar 08, 2008

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akylas
  • 26 Answers

SOURCE: thread wont overlock

When the thread breaks too often, try these, that goes for all sewing machines
1. Replace the needles,
2. Loosen slightly the tension of the needle threads.
3. The top threads are to thin,
4.The sewing (rotary) hook or looper, has burs,
5. Wrong threading

Posted on May 28, 2008

  • 1 Answer

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

  • 1 Answer

SOURCE: I just bought a janome mini sewing machine. I

First, in order to get the bobbin thread up, you have to turn the wheel backward, not forward. If you try this, and it is not the problem, keep going.

Next you need to check the needle. There is a screw on the right side of the needle carriage right underneath the underside of the top...unscrew this and the needle should come right out. The flat side of the needle shank should go towards the back of the machine. If it isn't, switch it so that it is and try again.

If this doesn't solve your problem, what has happened is that the gears in the machine have gotten out of alignment. There is an easy fix:

Take off the plate that covers the bobbin chase...there are two screws one on each side. Remove these...you need a stub screwdriver, because regular ones will not fit under there.

Remove the bobbin carriage and the bobbin, making careful note of how they fit back in. Take a picture before disassembling it so you have a reference.

The part that carries the thread around the bobbin is still in the machine. Turn the wheel and you will see it rotate. What has happened is that the needle is not going down in the machine at the right point because someone kept sewing after it jammed and one gear kept going while the other one didn't and now it is out of alignment. These machines have plastic gears and the can slip past each other if you aren't careful not to stop immediately when they jam.

To fix it, you are going to have to do some trial and error. Grab the rotating part of the bobbin chase and hold it firmly. Rotate the wheel forward until you hear it click once. Then rotate the wheel backward again and see if it grabs the top thread. If it doesn't, repeat holding the bobbin chase and turning the wheel forward until it does.

Once you have the gears basically aligned, you will need to reassemble everything. Put the face plate back on and put at least one of the screws in all the way. The face plate holds the bobbin chase in correctly and if you don't fasten it it will not work correctly.

Now try sewing. If it starts to jam, stop immediately, cut the threads and look at the back. If it's a loopy mess, you are going to have to dissamble as before and again grasp the bobbin chase and turn the wheel forward one more click, then reassemble and try again. Eventually, you will find exactly the right alignment and the machine will sew perfectly.

I just had to make this fix on my own machine...I didn't want to take it in for repair because the bench fee alone would cost as much as the machine did!

There are some great video's on YouTube for help with threading the machine...look for StampTV and you should find them. Good luck!

Posted on Apr 21, 2010

  • 1 Answer

SOURCE: Janome mylock 744D overlocker

Have you tried youtube for 'how to' videos? I just found this one that might help. Good luck. http://www.youtube.com/watch?v=JyrAhSQAEeY

Posted on May 09, 2010

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I have a Finesse new home 23 4 overlocker. How do I start the threading please.


A manual would be helpful:

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Even if you are unable to find a manual for your particular model, similar models usually thread the same or similarly. Just be sure to ALWAYS RAISE the presser foot when threading the machine so the thread will seat in the tension disks.

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You may need to rethread all the threads because most sergers need to be threaded in the right sequence. I looks like this one has to be threaded starting at the right and progressing left.

Jan 20, 2014 | Janome Sewing Machines

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How do i sussecfully thread my janome 204D overlocker machine


The detail for threading could not be more clear...there is a diagram on the inside door...ensure thread is pulled tight in tension units.

Nov 11, 2011 | Janome MyLock 204D Mechanical Sewing...

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Hi. About 5 years ago I purchased a Janome 744D Overlocker which I have only used once because the thread on the underside keeps snapping, and the needles keep breaking off. The foot is also very touchy...


Yes, overlockers sew fast, usually 1500 stitches per minute and with a blade in action alongside the loopers so there is a lot happening. Keep all pins well away from the seam edge, contrary to normal sewing machine techniques, if you pin two layers together, then place the pins parallel to the fabric cut edge at least 2 inches away from the edge so the pin goes nowhere near the foot or blade.

Check whenever you use it, that you firstly extend the thread aerial up to full height, you need to ensure the threads can flow smoothly to the tension dials as the thread will stream off fast, even the slightest catch of a thread will snap one, throw your tension out or damage a looper.

As you've had it all this time and not used it, why not consider investing a few dollars more and go to a class on overlockers, and learn how to thread it up for three, four, rolled hem and using the differential feed. If there is no class options in your area, then try the Janome dealer near you and see if they would consider giving you a a little lesson on using it. You could also check out the videos on You-tube or read some pages from Debbie on www.sewing.about.com, she has several pages on sergers (USA name for overlockers), explains the needles, threading, different techniques and maintenance. Or check out your local library for any books on sergers/overlockers, there are several good "how to" guides out there that would certainly help you get started.

Unfortunately there is no way to slow the speed to half speed, just practice with lots of fabric scraps at first, to get used to the sensitivity of the foot control. If you do dressmaking but aren't sure where to overlock or which seams you could only overlock, then consider just doing a three thread overlock around the edge of each fabric piece before you commence assembling the garment, just do your notch markings another way such as chalking them or using water soluable marker pen as the blade will cut away your outwards notches.

My other suggestion would be to make a simple sweat shirt on it using the 4 thread stitch and not touching your sewing machine at all. Once you've made one, you'll soon be wizzing them up in 30 mins, so quick to sew knits on an overlocker. Some of the commercial patterns are marked as suitable for sergers, look for one of these to try.

I hope this helps you to master your overlocker, a lesson or class would help you with the steep learning curve at first.

May 22, 2011 | Janome Sewing Machines

1 Answer

I need a threading guide for Janome 744d overlocker. i did not get\r\na manual with my machine at time of purchase


Hi nhclark1,

I have a video here from You Tube that you might find helpful in threading your Janome 744d. This is not the exact same model, however, very similar to your machine.


For the manual, you can click on this link to download it. You may also contact Janome directly so they can send you the instruction manual for your machine. Call them from Monday through Friday 8:30AM - 5:00PM EST, 1-800-631-0183, ext. 774.

Hope it helps.

Thank you for using Fixya.

Apr 03, 2011 | Janome Sewing Machines

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How do i thread a janome overlocker


there's a good you tube video and threading an overlocker

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Janome mylock 744D overlocker


Have you tried youtube for 'how to' videos? I just found this one that might help. Good luck. http://www.youtube.com/watch?v=JyrAhSQAEeY

Mar 22, 2010 | Janome MyLock 644D

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