Question about Brother Lay-In Thread Serger Mechanical Sewing Machine

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Brother serger thread

Why the lower looper thread always gets stuck & breaks even following the correct threading method?

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  • johnnmarsha Aug 12, 2008

    My lower looper also breaks constantly. It seems the thread moves too far to the right of the slide out thread guide. It is very frustrating and I would appreciate any help.

  • Anonymous Mar 28, 2014

    the lower looper thread keeps breaking and the serger will not make a chain

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The lower looper thread MUST be threaded before the needles are threaded. You must also be sure the lower looper thread is pushed and staying all the way to the left before it is threaded through the looper eye. Double check the threading diagram and count the number of guides the thread passes through. Count how many guides you have actually passed it through. It must be the same. The dealer you bought it from should be willing to show you if you can't figure it out.
sewman7

Posted on Jun 18, 2008

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Posted on Jan 02, 2017

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1 Answer

Lower looper cotton keeps breaking


Usually it means it is not threaded correctly. Remove ALL the threads from your machine. Be sure you RAISE the presser foot when threading. ALWAYS thread in the correct order. Verify the thread path for each is correct. Check that the threads are seated in the tension disks--give each a little tug when going through the tension disk. Be sure that the thread tree is extended to its full height. Check that the lower looper threads are not set too tight. Also, always use fresh thread--no old stuff from grandma's sewing basket.

ONE MORE TIP: When a thread breaks, you will usually find it less frustrating to unthread the ENTIRE machine and start from scratch. Trying to fish a thread out of sequence will most often times end in failure.

https://help.brother-usa.com/app/answers/detail/a_id/123258/~/lower-looper-thread-break

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Jan 15, 2017 | Sewing Machines

Tip

Threading a Serger


When threading a serger, you MUST follow this sequence.
1. Upper looper
2. Lower looper
Then thread your needles. If your thread breaks, you must un-thread your needles before re-threading your loopers.

on Mar 05, 2015 | Brother 925D Serger

1 Answer

I have a white speedy lock serger model 7340. I completely pulled all threads out and now trying to re-thread new thread. I have tried around 15 times. It will not loop. Threads don't interlock at all


Be sure that you are threading each thread in the correct order. The manual should have those instructions.

ALWAYS RAISE the presser foot when threading the machine!!!! For most machines, the upper looper is threaded first, the lower looper second (the lower looper thread finishes by draping OVER the top of the upper looper and then pulled toward the back of the machine), then thread the needles. Give each thread an extra little tug when threading the tension disk to make sure it is seated completely.

Even if you are unable to locate a tutorial for your particular machine, most models from the same era will thread the same.

Don't be surprised if it doesn't work the first, second, or even the third try. It took me most of a day to get mine threaded correctly the first time!!! Patience!

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You can search YouTube for other videos.

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Jan 06, 2017 | Sewing Machines

2 Answers

Why does lower looper keep breaking


probably need a adjustment, you may have to have the looper checked

May 26, 2016 | 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

1 Answer

Why does the upper looper thread keep busting?


Quite possibly the machine is not threaded correctly, the tension setting for that looper is too tight (could be the upper looper tension disk is stuck or dirty causing the thread to hang), or the thread is looped around something like the thread tree.

Replace the needles. Remove all the thread and re-thread from the beginning. Be sure to RAISE the presser foot before threading. Make sure to thread the threads in the correct order.

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Nov 01, 2015 | Brother 1034D Serger Sewing Machine

1 Answer

Lower looper thread gets stuck in the clip and breaks


does this Serger have a moveable threading part on the lower looper and if so, is it in the correct position? It sounds like the clip is in the wrong place if it is catching the thread, so this could be the cause if so.

If not, then I would suggest that you recheck the threading, and thread in sequence, top looper, bottom looper, then needles, checking all thread loops are being used in the thread path, review carefully using the manual's threading diagram.

If you still can't resolve the issue, then take it in for a service, it is possible to knock the loopers out of time and if so, you'll need a technician to rectify.

May 23, 2011 | Brother Lay-In Thread Serger Mechanical...

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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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Threading the bernina 1300DC serger


These things are always complicated when you try to write them down, so I suggest a call to your local Bernina dealer to arrange a quick lesson on how to do it.

If you can go back to the dealer whence it came, so much the better..........perhaps you could go in and buy some things you need and then as you are leaving, make the enquiry with the machine in your car, they may be able to show you how to do it right away......building relationships is a very good way of feeling comfortable about asking for help.

Also..........
If the manual diagram is too small, a local library or stationery supplier should be able to magnify a photocopy for you to see it all more easily.

Jun 04, 2008 | Sewing Machines

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