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Im battling to get the correct tension on my upper and lower looper threads.

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I am afraid that you just have to keep trying by adjusting each tension disc one at a time till you get it right. Start at the middle tension and work down then up with all of them together first. Study the stitch each makes and makes notes as this may give you an idea which one is causing the biggest problem. Do check there is nothing stuck in between the discs or springs that might be causing a problem. Blunt needles or knives can also cause the problem.

Posted on Apr 30, 2015

Testimonial: "Thanks Irene, I guess perseverance is needed. The machine is new so the needles and knives are all sharp. I was so excited to sit down and sew but my projects have been put aside until I can figure this out!"

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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

1 Answer

One of the threads tears?the second one from the right.


Assuming this is a serger. The second thread from the right would be the lower looper. Nine times out of ten, when the looper thread breaks, it's because it is threaded incorrectly or the tension is set too high.

It is generally recommended that when a thread (especially a looper thread) breaks on a serger, you should remove all the threads and start over from the beginning (yep, that sounds painful but it is better to just bite the bullet and just do it rather than fighting it and never getting it threaded right). Make sure the presser foot is raised throughout the threading process, give each thread an extra tug when going through the tension disk to insure it is seated in the disk properly, follow the threading order (usually upper looper first, then lower looper) and the thread pathway is correct for each thread (no guides are skipped and thread is not wrapped around something). The last step of the lower looper threading is to make sure the lower looper thread drapes over the upper looper before being pulled under the presser foot and toward the back of the machine.

Set the tensions to the midway point between high & low numbers before testing.

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Apr 10, 2016 | Sewing Machines

1 Answer

Overlocker is not sewing. How can I thread the lower looper without it breaking?


Thread breakage is usually an indication that the machine is not threaded correctly or the tension is set too tight.

As a reminder, if a thread breaks, save yourself some (lots!) frustration and rethread every thread From The Beginning. Rethreading only the broken thread will usually just lead to it breaking again. Sergers are finicky and must be threaded in the correct order. Also, Always raise the presser foot while threading. Your thread breakage is occurring with the lower looper. Be sure that you are threading every guide and give it a little tug going through the tension disk. Usually, the last step is to drape the lower looper thread over the top of the upper looper before it is pulled back and under the presser foot. Be sure to initially set the tension at the midway point between the high & low numbers.

My serger is still not working properly trhread still breaking lower and...


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Apr 07, 2016 | Sewing Machines

2 Answers

Upper looper thread keeps breaking


try a new needles
check for burrs
make sure the thread is not caught anywhere

Feb 04, 2016 | Sewing Machines

1 Answer

Why won't my sl370 work?


Hello Mary.
By the question, it looks like the lower looper is making loops? If so, check that you are using the correct needles for your serger and that the needle or needles is/are inserted correctly:
- needles must be all the way up into the needle shaft
- needles must face with the flat side to the back and the groove to the front
- use at least needle size 12/80, not smaller

Check these few items, if the loops are still not forming:
- re-thread the serger from the start, keeping in mind to thread in the proper sequence (upper looper, lower looper, needles)
- make sure that the lower looper thread lays on top of the upper looper thread and is passed to the back of the serger and then under the presser foot when threading
- make sure that the thread are securely engaged IN the tension assembly
- make sure that the serger is set for 3-thread or 4-thread overlock (i.e. that the upper looper converter is not engaged)
- check all tension setting
- stitch length should be around 2.5 - 3.5

Let me know how it goes.
Happy serging!

May 02, 2015 | Sewing Machines

1 Answer

Correct threading for 4 th. Juki ind. overlocker


Overlockers and or Sergers are ALWAYS threaded the same way. Upper looper, Lower looper, right needle, left needle. If you have a model number for your Juki we might be able to find you more information.

The best way to figure out tension problems is to thread each thread in a different color so you can determine which thread is giving you problems.

These machines can be frustrating and EVERY time the thread breaks you MUST start the threading problem from the beginning... upper looper, lower looper, right needle left needle.

Aug 31, 2012 | Sewing Machines

1 Answer

JUKI MO 134 SERGER


How to Thread Juki MO-134 Serger from watching lady at Lyles. Turn upper blade up. Push in first then turn up.It makes threading easier. Blue Thread upper looper first. Pull thread through tension knob. Don'tjust lay it there. (She thought that is what I must have done) Orange Thread lower looper next. Pull thread through tension knob as inthreading upper looper. Adjust lower looper so it is right nextto upper looper so that their points are almost together and directly belowsewing needles. Lower looper will be in front of upper looper (I believe). With tread from upper looper pulledback, slightly lift lower looper above upper looper and thread. I think this isright. Pull thread back with other thread. Tension is the key. Remember that. Yellow: Thread left needle first.Remember tension. Pull thread through curled wire on left side of needle arm. Green: Thread right needle. Rememberabout tension. Pull thread through curled wire on right side of needle arm. b> Note: Before sewing turn the wheel tomake sure the stitches are going together correctly.

Apr 16, 2010 | Juki MO-644D Mechanical Sewing Machine

1 Answer

Unbalanced lower looper thread wraps aaround the


Loosen the upper tension looper thread by turning the dial to a lower number. The upper tension looper is to tight and pulling the lower looper thread up. Also might want to loosen or tighten the left or right needle tensions depending on the results you get. It will be a trial and error exercise to get the correct adjustment between the loopers and needle thread tensions. Otherwise, you might want to take it to an authorized husqvarna viking dealer for service. You can locate a dealer near you by visiting the husqvarna viking website and clicking on the Dealer link on the left-hand side of the page - http://www.husqvarnaviking.com

Good luck.

Oct 02, 2009 | Husqvarna Huskylock Computerized 910

2 Answers

Threading a husqvarna huskylock 1001L serger


Solution taken from "Handbook for Huskylock Sewing Machine Models 1001L/1000L/1000"

1. Raise the presser foot by using presser foot lever. When the presser foot is raised, the two thread tension discs in the thread tension control panel are released so that thread passes freely between them. Otherwise thread tension may not be correct.

Important! When threading the needle, always be sure to lift the presser foot lever, and also take care to thread in the proper order.

Threading order:
1. Upper looper thread (green)
2. Lower looper thread (blue)
3. Double chain stitch looper thread (purple) in case of 5 thread stitch or double chain stitch
4. Right needle thread (red)
5. Left needle thread or double chain needle thread (yellow)

Caution!
Because the left thread tension dial (yellow) is used for either the left needle or the double chain stitch needle, these needles will never be used at the same time.

Upper looper (green) sequence:
1. Thread holder (silver triangle openings attached to thread holder stand)
2. Thread guide (flat silver clips just behind thread tension disc)
3. Thread tension disc (circular knobs with numbers for tension setting)
4. Pull thread around upper looper guide and upper looper
5. Pull thread into hole of upper looper

Lower looper (blue)
Repeat 1, 2, 3.
4. Pull thread around guide (see color coded chart inside front serger cover).

Easy threading mechanism (for lower looper)
1. Pull out the lower looper threading lever
2. Thread the lower looper and position the thread on hook of the lower looper
threading lever.
3. Push the lower looper threading lever back to its basic position while
holding the end of the thread.

Caution:
When returning the lower looper threading lever, always make sure that the two
blue triangle marks (directional arrows) meet each other.

Right needle thread (red)
Left needle thread (yellow)
Important: Thread the needles after threading of lower looper and upper looper.
First raise the presser foot lever, and then thread the needle threads in order shown in color coded thread guide.




Jun 24, 2008 | Sewing Machines

4 Answers

Brother 1034D


I had the same problem with the blue thread- it would sew and inch then pop- mine worked wihtout breaking after I re threaded in this order: green, blue, red then yellow

Jun 08, 2008 | Brother 1034D Mechanical Sewing Machine

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