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I can use my janome mylock serger without the upper looper breaking on first stitch. I have rethread it many times...can anyone help

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  • Sewing Machines Master
  • 7,365 Answers

Is the looper itself breaking or is it the thread that's breaking?

Posted on Jan 24, 2013

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Posted on Jan 02, 2017

  • 55 Answers

SOURCE: my janome harmony 9102D serger I think is out of

i suggest you get a tech to re-time your machine. timing is complex on an overlocker and if not done correctly you will probably break a looper.

scott.

Posted on Jul 27, 2009

bargainbox
  • 1388 Answers

SOURCE: Euro pro serger model 101-548

3 thread overlocking (serging) is no different t 4 thread, except you remove one or other of the needle threads.

The stitch width is then controlled by two variables,

the manual width dial selector, and
your choice of either the right or left needle

Suggest yo play with width selector on a scrap of your project fabric to achieve the look you are after.

Posted on Feb 17, 2008

  • 4 Answers

SOURCE: Janome MyLock 644D

Yes, the model I used had a self threading lower looper. Just put the thread into the guide and flick the switch

Posted on Jun 11, 2008

  • 1116 Answers

SOURCE: My serger will only sew a few inches, then the

Been there, done that. Old serger almost went out the window more than once.

Raise the thread antenna and loopers to their highest positions.

Set the tensions to zero. If your serger has auto-tension, raise the presser foot as this also opens the tensions.

Begin threading from the right as indicated in your manual or on the door of the serger.

If this continues, the serger may need to be serviced as the timing could be the problem.

Ask before leaving the serger as the service cost usually starts around $100.

I finally gave in and bought a Babylock with instant jet-air threading.

Posted on Apr 01, 2010

  • 5 Answers

SOURCE: white speedylock 7340 loose/missing stitches, up.looper unthreads

All tensions should be on 4. Also, make sure the threading is done correctly. Or if you wish; You can contact me on other sergers for sale. "Best prices guaranteed"! rick_coccia@yahoo.com

Posted on Sep 16, 2010

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1 Answer

The tread from the lower looper is not being picked up by the upper looper how o i fix this?


Best advice would be to consult your owner's manual. The most common serger problems are caused by incorrect threading or not threading the threads in the proper order. With most sergers, the upper looper should be threaded first. The lower looper is threaded second and the lower looper thread tail should drape OVER the upper looper. Then thread the needles.

Be sure when threading that each thread is pulled snugly into the tension disks.

...

Nov 15, 2015 | Janome MyLock 644D

1 Answer

Bernina 335 serger won't sew/overlock. carefully rethreaded the serger but that hasn't helped.


The 335 has a two thread chain stitch (stitch type 401), and the overlock side (right needle side), is a three thread plain overlock. If you are describing the plain overlock as the problem, I would first suggest the following in re-threading:

1. Thread the upper looper
2. Thread the lower looper
3. Thread the needle last (important)

If the needle threaded, you cannot re-thread the lower looper without breaking the thread.
In order to thread the lower looper, the lower looper must pass by the needle thus picking up the needle thread. So, instead of threading the lower looper thread underneath the needle thread, the looper would be threaded on top and cannot sew without breaking the thread.
Make sure that the threads are bedded between the tension disks. Check this by stretching the thread fore and aft of the tension disks as well as visually noting that the threads are not accidentally threaded behind the disks. You can also loosen the tension disks when threading so as to allow the threads to bed deeply between the disks.
Please reply with your observations.

Sep 27, 2015 | Bernina Sewing Machines

1 Answer

Adjusting tension on overlocker


overlockers and sergers are annoying in that every time you change materials and threads they must be re-tensioned.

Get a scrap piece of material. Thread your machine correctly according to the instructions in your manual. If no manual most sergers are threaded, upper looper, lower looper then needles from right to left. Make sure you thread with the presser foot UP.

You want to balance the stitches Begin by adjusting the looper dials, you want them to meet right at the cut edge. Then adjust your needles. Keep doing test seams until you have them balanced. If you are a novice... try threading with each thread point having it's own color. That will help you identify which thread is giving you fits.

Have fun.

Oct 15, 2012 | Janome MyLock 634D Mechanical Sewing...

1 Answer

Tension to loose and missing stitches


SKIPPED STITCHES ON A SERGER
1. Is the needle bent or worn--replace
2. Is the needle inserted correctly into the needle holder--check needle
3. Is the Serger threaded correctly--rethread
4. Is the presser foot pressure right for the fabric--adjust

use a scrap piece of fabric to sew on as you adjust the tension
when the tension is to loose adjust one number higher till stitch
looks good

here's 2 links for a manual one is a hardcopy & the other is a
pdf downloadable--one is a different price from the other
http://www.sewingpartsonline.com/instruction-manual-janome-mylock-634d.aspx

http://www.sewingpartsonline.com/instruction-manual-janome-mylock-634d-download.aspx

Sep 08, 2012 | Janome MyLock 634D Mechanical Sewing...

1 Answer

Stitching is too loose on the Juno Janome Serger Model 3434D


sergers the most frustrating machines. Every time you change fabrics you go through a tension adjusting phase.

First make sure you have threaded the machine in the proper order. upper looper, lower looper, then needles from right to left. Always thread any machine while the presser foot lever is in the UP position.

If you ever break a thread... you MUST pull all threads and rethread using the proper order.

Ok that's out of the way. Pull all your threads and get out several pieces of the same fabric scrap. Thread each pathway with a different color. This will help you determine which thread is giving you fits. Sew a test strip. Which thread is loose? tighten/loosen that tension. Keep doing this until you have a well balance seam. Then clip the colored threads starting with the upper looper thread, tie off to your proper color for your seam pull the thread through and up through the throat plate. proceed in this manner with lower looper, right needle, left needle. Sew a test seam.

Good luck.

Aug 08, 2012 | Janome Sewing Machines

1 Answer

My Janome 204d Serger won't form a chain stitch. It is threaded correctly. I have changed the needles??


I would suggest that you check the needles again, make sure they are both fully up into the needle housing. Also they should be at different heights in order to form the stitch sequence.

It is important that you thread the loopers first in the sequence shown in your manual, then the needles. So you may need to recheck the threading again and make sure the threads are in all the eyes correctly, especially the lower looper. Also some overlockers, have a sliding eye on the lower looper for ease of threading, if yours does, make sure it has been slid back to normal operating position.

When you have checked the threading up, take all four threads under the raised pressure foot and make sure that the upper looper thread and lower looper threads are not crossing over each other. Lower the pressure foot and try to chain off again.
I hope this helps you to resolve the issue.

Oct 11, 2011 | Janome MyLock 634D Mechanical Sewing...

1 Answer

I cut the chain thread by mistake, how do i get it back? Am new to this


Rethread the machine. Do the loopers first, then the needles. If you ever break a looper thread, you have to undo the needle threads, rethread the looper thread and then rethread the needles.

Apr 22, 2011 | Janome MyLock 644D

2 Answers

I bendt my needles, and after changing them it wont sew. the threads just come out without getting sewn together.. just 4 straight threads..


Once the thread breaks, the serger usually has to be re-threaded - all four components of the serger.

Raise the antenna to it's highest position.

Open the tensions to zero.

Turn the handwheel so the the loopers are at their highest position. Some sergers have a mark on the handwheel that aligns with a mark on the side of the serger for this step.

Thread according the the sequence indicated on the threading guide - this is either on the inside of the door or on the serger.

Mar 14, 2010 | Janome MyLock 644D

1 Answer

My janome harmony 9102D serger I think is out of


i suggest you get a tech to re-time your machine. timing is complex on an overlocker and if not done correctly you will probably break a looper.

scott.

Jul 21, 2009 | Janome Harmony 9102D Mechanical Sewing...

1 Answer

Lower looper


It is impossible for a looper to come unthreaded if you are holding one end and the other is still feeding off the spool. Somewhere a thread broke - must be either the upper looper or the needle. Try completely re-threading your machine. Many machines have an "order" they prefer to be threaded. Try starting from the right tension guide and work to the left.

Sep 17, 2007 | Janome MyLock 634D Mechanical Sewing...

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