Question about Juki Sewing Machines

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My juki serger will only turn a 1/4 of the way when turning hand wheel how do i fix this

The needles wont raise or lower. What will have caused this problem.

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Could be some thread has become tangled in the mechanism or it has seized due to lack of oil. Otherwise, might have been knocked out of time.


Posted on Dec 11, 2016


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Posted on Jan 02, 2017


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I recently received a Juki TL-98Q and a long arm quilting machine. Everything is set up and I have put two sheets with cotton batting between them on the machine so that I can practice. I cannot get...

Hi Donna:
This has two parts; 1) pick up thread, and 2) needle hole direction.
1) To begin and pick up the bobbin thread, typically I start without any material under the arm. Begin with a tail of thread about 6" long pulled out from the bobbin, leave it loose. Then holding taunt, onto about 3" of the upper thread after it leaves the needle, I cycle the machine once. Then it should have captured the bobbin thread. Raise the pressure foot (with the needle 'UP') and slide something between that gap to pull out both threads (Upper and Lower), a ruler or your thread trimming scissors are handy for this. Pull the threads and you should see both upper and lower threads now, ready to sew. Apology for covering this basic item, but . . .
2) As you move into 'new' machines, sometimes the needle is no longer setup with the hole front to back. The gotcha is that on some (bigger) machine the hole goes side to side (yes the needle is rotated a 1/4 turn). As a rule of thumb, the thread goes through the needle and points right at the hook. Small machines may have the bobbin right 'behind' the needle. Larger machines often have the bobbin (and hook) beside (often to the right) of the needle. That means to install the needle with the hole going left and right, and the cutout groove pointed to the side with the hand-wheel.

Oct 11, 2017 | Juki TL-98Q

1 Answer

Should the right hand needle be slightly longer than the left after changed? The right hand needle hangs a bit longer than the left. Is this correct?

Yes, needles are usually offset on sergers, one will be lower than the other.

You can download a manual from here: its a pdf icon on left of screen, page 11 covers needles and the right needle is lower. It also says to change the right needle first, then the left one and to use a JL x 2 needle in the left side for heavy weight fabric.

Don't know with the Juki but I know my Bernette prefers the serger needles as they have a scarf/groove in the front as well as the back, ELX705, otherwise they are the same length as the standard domestic needle 130/705H.

Also, never unscrew the needle screw too far out, just enough to get the needles out and in, as there is sometimes a ballbearing up in the housing between the two needles and if you wind out the screws too far, this may drop out.

May 23, 2011 | Juki MO-644D Mechanical Sewing Machine

1 Answer

My juki machine ddl-8500-7 is locked how can I unlock it

hi there
can u check one by one
1 - loose screw for needle bar clamp and turn the wheel by hand.
2 - from down remove the finger for hook and turn machine pully maybe some thread insaid the finger.
3- loose the four screws for upper main shaft and turn the machine pully by hand.
best regards
ashraf abozid

Aug 13, 2010 | Juki DDL-8700

1 Answer


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

Lower looper problems

Some sergers require they be threaded in a particular order. If not, they do not "knit" the threads.

Raise the thread antenna to it's highest position.

Open the tensions (set at zero). If the tension settings are automatic, raise the presser foot to open the tension settings.

Turn the handwheel so the loopers are at their highest position. There may be a mark on the side of the serger to match up with a mark on the hand wheel for this.

Open the front of the serger and the threading guide should be printed on the inside of the serger door, or on the serger.

Start at the right and note which looper is threaded first and then the needles.

You can find more information and manuals at the Singer Co website.

Mar 24, 2010 | Singer 14SH654

1 Answer

Need instructions for threading Juki MO 3314

Open the font of the serger and the instructions will be printed on the serger or on the door.

Raise the presser foot and set the tensions to zero when threading.

Turn the hand wheel so the upper looper (curved one) is at it's highest point and thread it first, and then the lower looper.

With some sergers you must thread in a certain sequence. This should be indicated in the instructions on the serger.

Set the tensions back to normal ( 4 - 6), lower the presser foot and run a length of stitching to see if the threads are knitted together as they should before you start serging your project.

Feb 19, 2010 | Juki MO-734DE Mechanical Sewing Machine

1 Answer

Does the Juki DL-555 sew leather?

ordinary drop feeds are not suited for sewing leather,ideally a needle feed or machine with a walking foot mechanism is best suited.if you are stuck with this machine only,there are a couple of things which may help.on some of the juki ddls there is an adjusting screw and locknut on top and in the middle of the arm of the machine .turn needle by hand wheel to bdc and loosen this screw and turn clockwise slowley! this will raise the presser foot very slightly,so when the feed dog is at tdc it can improve the feeding . spear point needles are reccommended also. one other idea,but you need a qualified mechanic to do this is to alter the feed timimg slightly on the eccentric on the top the needle is entering the fabric,slow the timing down so the needle enters the leather just as the material starts to move. hope this helps! cheers kev w 07725903110

Feb 23, 2009 | Juki MO-644D Mechanical Sewing Machine

1 Answer

925d needle change

To remove the needle
(1)Turn the main power switch to the OFF position.
(2)Turn the hand wheel counter-clockwise by hand
until the needle is at its highest position.
(3)Loosen the needle set screw with hexagonal

Reverse order to install new needle.

Click this link to download the users manual for your machine --->click here<---

Please take the time to rate this a Fix Ya solution

Feb 01, 2009 | Brother 925D Serger

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