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Overlocker 340 3rd thread continually snaps

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  • 241 Answers

Check that you have a new needle and good thread. Regardless how good a machine you need good thread and needles.

Posted on Oct 13, 2013

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Posted on Jan 02, 2017

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bargainbox
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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 !

d5f0050.jpg
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

  • 2 Answers

SOURCE: lower looper threader

check to make sure it is not wraping around the upper looper. just stitch without the material and you will see it. but then you must rethread the upper looper and the lower looper again in the right order. hope this helps

Posted on Jun 25, 2008

  • 1 Answer

SOURCE: Thread Keeps snapping on my 4th reel brother 1034d overlocker

I was having the same problem. I was trying to thread only that 4th one because it keep breaking. It did not stp til I rethreaded all the threads and did it worked fine

Posted on May 28, 2009

  • 1 Answer

SOURCE: On my overlocker, the bottom two threads keep breaking.

globe overlocker stitching reverse

Posted on Jun 18, 2009

  • 1340 Answers

SOURCE: When using my Singer overlocker 14t554s the lower

Here is a link to Singer,however it doesn't seem very helpful.I saw a couple of your problem under the FAQ section.On my wife's machine which was a Brother,you could adjust the bobbin tension by sliding a plate on the bobbin metal jacket/casing where the thread ends up coming out.The hole/slot size could be adjusted and required very little movement and may not have a wide range of motion.Play with it and see if you can get it to do that or look and see what you find.I do not really know how to describe it but I was always doing the maintenance on it and she showed me stuff like that.Here is the link.If you do not get anything out of either,just comment back to this post and I will get an auto link.Good luck! Greg cms...Are you in Canada or Europe or something?
http://www.singerco.com/resources/

Posted on Sep 01, 2010

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1 Answer

Toyota overlocker sl3000 ; 3rd thread keeps snapping. How do I stop this ?


Third thread--is that the upper looper? Remove all the threads from the machine. Clip them below the thread tree, RAISE the presser foot, and then pull all 4 threads down through the needle. (Never Pull Up!!)

ALWAYS RAISE the presser foot.
Rethread beginning with the Upper Looper, then Lower Looper, then the needles. Be sure to ALWAYS thread in this order!! (On most newer machines, when threading the Lower Looper, always finish with the Lower Looper "draped" over the top of the Upper Looper.)

If a thread breaks, remove the threads and start over from the beginning as trying to fish a thread through the existing threads very SELDOM works.

Verify each thread path is correct.

When threading each thread and to insure the threads are seated in the tensioners, give each thread an extra little tug when going through the tension disk.

Be sure to oil your machine frequently to keep it operating smoothly!

Make It Handmade Threading Your Serger or Overlocker

Serger threads Threads Magazine Gatherings Forum Sewing Questions Answers

May 03, 2017 | Toyota Sewing Machines

2 Answers

Hi. I have a new overlocker. Fabric got jammed ,got it out but machine now jams at half turn . Could some fabric still be under feed dogs ? How to get it out ?


Hello Jenny hornsey

This may sound traumatic, but there is no easy way to pin point where the tie-up is located. So proceed as follows.
Cut all the threads as they come off the antennas.

Open the front cover and pull-out all the threads by pulling them straight toward the back. If they do not come easily, try moving the hand wheel back and forth by a 1/4 revolution .. this is like a rocking motion. If still not budging, start cutting back the threads and removing them in sections until all the threads are cleared. If this step is still challenging; check that there is no residual fabric or threads still wrapped around the loopers or other part/s of the serger. If so cut them out bit by bit until everything below is cleared.

Great. Now check for threads wrapped and/or jammed anywhere above.

Since the overlocker jammed, it is possible that the needles were bent. This will continue to cause issues in stitch formation. So just to make sure; change the needle/s. Make sure that the correct needle type is being used. Every overlocker is engineered to be used with a specific needle type. The needle type will be specified in the manual and will also appear on the needle package. If the needle types are not the same, do not use those needles.

Re-thread the overlocker and stitch test on a piece of fabric before pressing down on the foot control.

This should get the overlocker back on track and you back to overlocking.

Please let me know how this works out for you.

Happy overlocking
Sewingirl/

Mar 18, 2017 | Sewing Machines

1 Answer

I have an Elna Pro 4 DE overlocker and the thread keep breaking - I have re threaded a number of times now but the thread keeps breaking - it was working fine earlier today - what could be the proble


Try different thread (black thread seems to be more problematic because of the heavy dye). Perhaps, change the needles.

When you re-thread, do you completely remove all the thread and start from the beginning--there could be a snag somewhere or the thread is looped around something, ie the thread tree? ALWAYS RAISE the presser foot when threading. Give each thread an extra little tug when going through the tension disk--it will sometimes make a little snap sound when it seats. Also, make sure you are threading each in the order specified. Threading out of order will generally guarantee a problem.

There is a slight chance something (thread bits, lint) could be stuck in the tension disk.

If it continues, you may want to take it for service as it could be the timing is off.

...

Dec 12, 2016 | Elna Sewing Machines

1 Answer

The overlocker does not pick up the second needle when overlocking


Be sure to use brand new needles.

Check that the needle tension is not too tight.

If it continues, it may have a timing issue where the needle is arriving at the wrong time to pick up the looper threads.

...

Aug 21, 2016 | Sewing Machines

1 Answer

Why do stretch stich on elna overlocker become to tight for single knits and seams snap


Sounds like a threading problem rather than the stitch, have you raised the thread aerial pole to full height first up, its something that can be overlooked. The threads come off the cones very quickly so its critical that the pole is elevated and the threads are flowing smoothly. Look at the cones and check that a thread isn't getting caught under the thread stand too or wrapped somewhere like the flywheel; anytime a thread is snapping, always take a good look at your thread paths and check for obstructions, check tension numbers are right and work through the threading path.

May 10, 2014 | Elna Sewing Machines

1 Answer

Problem with an overlocker that does not overlock


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

1 Answer

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

Thread Keeps snapping on my 4th reel brother 1034d overlocker


I was having the same problem. I was trying to thread only that 4th one because it keep breaking. It did not stp til I rethreaded all the threads and did it worked fine

Apr 06, 2009 | Brother 1034D Mechanical Sewing Machine

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