Threading the Serger

Threading the Serger

Serger threading can be quite complex, depending on the model of serger. If you look inside you find two loopers and a lot of guides for the passage of the thread.
In this post I will go step by step, explaining in detail and showing how to thread serger having one needle and two loopers. This instruction of threading serger has more 20 photos.

Threading the Serger, view 1

Here you find the step by step guide on how to thread the Juki Baby Lock serger (BL3 - 407) without overlocker differential feed.

Threading the Serger, view 2

It's an old model overlock that can use three or two threads. Depending on the number of threads is required to set this lever to the numbers 3 or 2.

Threading the Serger, view 3

To help you better see how to thread serger I use different color of threads.

Threading the Serger, view 4

During threading a serger you should use the tweezers. Using tweezers, you can easy to insert a thread in the loopers.

Threading the Serger, view 5

You have to feed the thread up through the loop of the thread guide. Then you feed the thread through these holes two ways. Threads which are twisted into loops need to twist around the rod and insert in the hole, as shown in this photo.

Threading the Serger, view 6

Now you have to feed the needle thread through the left thread tensioner.

Threading the Serger, view 7

Then insert the thread through the thread take-up.

Threading the Serger, view 8

Before stretching the thread through the eye of a needle, cut the thread end.

Threading the Serger, view 9

Holding the thread with the tweezers you can easy insert it into the eye of a needle.

Threading the Serger, view 10

Now it's time to feed the thread of upper looper.

Threading the Serger, view 11

To thread the looper you need to open the cover.

Threading the Serger, view 12

Many overlocks are color-coded paths for the looper thread. Please, attend! Do not miss a single thread mount!

Threading the Serger, view 13

Now you need to insert a thread into the looper hole.

Threading the Serger, view 14

At last it's time to feed the thread of lower looper.

Threading the Serger, view 15

Following the instructions for the upper looper you can easily to thread through the guides and into the holes of lower looper.

Threading the Serger, view 16

Pay more attention to the lower looper. It has an additional fastening thread guide that is not always easily to see. To see it you need to discover another side cover.

Threading the Serger, view 17

Now we proceed to the most complex case. You need to fill the thread into two holes of the lower looper. To facilitate this process, this model of serger has a special glass window on the needle plate.

Threading the Serger, view 18

In this hole you need to insert a thread.

Threading the Serger, view 19

You can remove the needle plate to see how to feed the thread into the holes of lower looper.

Threading the Serger, view 20

We are now ready to thread through the eye of the looper and threading a serger is finished.

Threading the Serger, view 21

The thread filling scheme can be found on the inside the lid of overlock.

Threading the Serger, view 22

Using different colors of the thread, you can easily determine the correct thread tension of stitches.

Threading the Serger, view 23

Now the thread tension of stitches is correct.

Threading the Serger, view 24

The thread tension of stitches on right side is correct also.
Now you need thread the serger with threads of one color and you we are ready to sew!

English isn't my first language, so please excuse any mistakes and help correct them.
E-mail for sending is on the contact page.

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