Question about Juki MO-644D Mechanical Sewing Machine

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I have a Juki Pearl Line Serger MO-654DE. There is a loud squeak coming from the needle shaft every time I stop sewing. How do I fix this?

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Oil, Oil and regular oiling Girl wcbotha@yahoo.com

Posted on May 12, 2010

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My needles broke on my juki mo 2512 how i replace it?


I've look for info on changing the needle & can't find any or a manual
go to the websites below & ask them about a manual or how to
change the needle
sewvacdoctor.com
a1sewingmachines.com

Sep 19, 2012 | Juki MO-654DE Mechanical Sewing Machine

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My Juki MO-655 serger will sew a few inches then the needle thread becomes disengaged in the stitch process. The machine will sew a few inches more then stops making stitches. I have cleaned the thre


Make sure you are threading the machine correctly. Make sure you are using serger thread that isn't old. Make sure you are undoing all the threads when it breaks and thread it from the beginning.

Make sure you have the right needles in their respective places. My Juki MO has two different size needles.

Sep 02, 2012 | Juki MO-655 Mechanical Sewing Machine

1 Answer

My right needle thread keeps pulling out on my Juki 655 - how do I fix this?


make sure the top tension is not to tight
keep longer thread tails for 4 to 7 inches
keep the thread pulled behind the needle before you start sewing
see if that helps solve the problem

Jun 05, 2012 | Juki MO-654DE Mechanical Sewing Machine

1 Answer

Breaking thread


there could be two things that I can think of right away, one the thread may be old, even if you brought it from the store, two, the needle is in the wrong way or it is the wrong needle .

Nov 11, 2010 | Juki MO-654DE Mechanical Sewing Machine

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

Do you have a quick threading guide for this


Could not find. Here is one for the 634 that may help - http://www.sewusa.com/Threading_Diagrams/Threading_Pages/Juki_Sewing_machine_threading/Juki_MO_634_Threading_Diagram.htm

Raise the thread antenna and loopers to their highest position.

Set the tension controls to zero before threading.

Many sergers have the threading diagram inside the front door of the serger.

Apr 01, 2010 | Juki MO-654DE Mechanical Sewing Machine

1 Answer

I have a Juki 654 Pearl - and the thread is looping on the underside. Tension adjustments don't seem to solve the problem.


Your hook might not be timed correctly. Sometimes a thread or fabric jam can dislodge the hook. When your needle is just starting to move upward from its lowest position, the eye of the needle should be just below the hook.

Mar 17, 2010 | Juki MO-654DE Mechanical Sewing Machine

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