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How to fix bobbin tension on a juki - Juki Sewing Machines

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  • 64 Answers

First clean bobbin case loosen thread tension screw and clean under tension spring, hi pressure air is the best. its important to clean under tension part because material builds up and does not allow the flat spring to put the proper pressure on the bobbin thread. tighted tension (second screw) accordingly. all thread tension depends on thickness of goods being sewn. the heavier the good the more tension u need on top.

Posted on Aug 10, 2014

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Posted on Jan 02, 2017

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rajdeepdutta
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SOURCE: One of the thread tension plates is loose on my

Hi there 1st of all i like to say please change the rusti tension plates, otherwise its not moving well & the boobin does not follow the alinment. For humidity control i suggest you fix an air condition system in your working room & make the place clean & dry. Thanks & waiting for your feedback.

Posted on Feb 18, 2010

  • 89 Answers

SOURCE: Hello, I have a juki DDL 5550, runs great, But the

Soulds like your not geting the top thread all the way in the tension disk. Make sure you have the presser foot up when you thread the machine. also after you get it treaded check to make sure you have tension, with the presser foot up you should have not tension and with it down it should be very hard to pull.
hope this helps

Posted on Mar 18, 2011

  • 1564 Answers

SOURCE: I have a Juki DDL 227. Top thread keeps breaking instantly

Well, you've not checked "Everything" but you have checked the common things.

Do you have any idea of where it is actually breaking? Re-thread your machine and see if you can determine exactly where the break occurs.

Sometimes a damaged needle throat plate will break threads... as will a burr on the hook in the bobbin area. Also if there is a burr or rough spot on the thread spool it will sometimes catch and cause breakage.

Good luck

Posted on Jul 23, 2012

SOURCE: TENSION??

try a different needle, thicker thread different needle, see if that will
help

Posted on Aug 24, 2012

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2 Answers

When I rewind my boobin, the thread is too loose. How do I adjust it on a JUKI DNU 1541-S?


You're saying the thread on the bobbin is loose/sloppy? That would be a result of the tension placed on the bobbin during winding. Make sure you are using the correct threadpath to wind the bobbin, or the winding tension needs to be adjusted.


https://www.sewingpartsonline.com/juki-dnu-1541-parts.aspx

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0ahUKEwiikseM2J3XAhUE72MKHSV2Bg8QFggmMAA&url=http%3A%2F%2Fdanreetz.com%2Fjuki%2FJUKI_DNU-1541-S-7EM01_SERVICE_MANUAL.pdf&usg=AOvVaw250Npk5Blb-ZBGHGIFqwyy

https://www.manualslib.com/products/Juki-Dnu-1541s-3329212.html

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Nov 01, 2017 | Juki Sewing Machines

1 Answer

Have a juki tension top and bottom loose,top tension mechanism tight what do i do?


Remove the thread from the machine. ALWAYS RAISE the presser foot and re-thread from the beginning. Verify that the thread follows the correct path. Set the upper tension to the midway point between high & low number.

Re-install the bobbin (make sure it turns the correct direction in the bobbin case). Thread the bobbin thread through the bobbin tension.

Test your machine.

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Dec 14, 2016 | Juki Sewing Machines

1 Answer

How do you determine if the sub tension knob is too loose on my Juki TL2010Q? My stitches are not uniform and some have a slight zig zag.


Generally I believe that the sub tension regulates the length of the tail left after the machine cuts. Rather than adjust the sub tension, I would 'slightly' tighten the screw on the bobbin case and see if that solves the problem. If you were not having the problem before, there may be lint or tiny piece of fuzz under the spring on the bobbin case or a piece of thread hung up in your upper tension. Good Luck!

Dec 03, 2016 | Juki Sewing Machines

1 Answer

Juki 2010Q and bobbin tension


try this link for a manual, it should have information in it about the tension
Juki TL 2010Q Parts

Apr 19, 2016 | Juki Sewing Machines

1 Answer

Can't get Juki tension right


which tension is wrong
if thread is bunching up under material increase the tension of the needle thread if the bottom thread is loose then increase the bobbin thread tension
each thread result for above or below material will indicate which thread to alter the tension on

Jul 02, 2014 | Juki Sewing Machines

1 Answer

Juki ddl 8700 my machine was sewing fine I put in a heavier (jean) thread. Now it wont pick up the bobbin thread to sew at all? Help?


try changing the needle to one that will work with heavier thread
you may have to change the bobbin to heavier thread also
try adjusting the tension also

Sep 25, 2012 | Juki DDL-8700

1 Answer

I have a juki tl98q sewing machine for my mid arm. The bottom thread keeps bunching up and I cannot sew anymore. What can I do to fix this? Do you have a diagram to thread the bottom bobbin and the top of...


The threading diagrams are available in the manual which is available from Juki on the TL-98Q product page: http://www.juki.co.jp/household_en/pism/tl98q.html . The direct link to the manual is http://www.juki.co.jp/household_en/pism/img/tl98q/download/98qim.pdf . See pages 14-18 (pages 16-21 of the PDF).

There are a couple of things I recommend that you check. First, make sure that the bobbin is evenly wound. This is a function of the bobbin winder tension; see the manual (page 15) for that adjustment. Next, check if the bobbin case tension is correct. Place the bobbin in the bobbin case and dangle the unit from the thread. Try to shake the bobbin case up and down, sort of like a yo-yo. The thread should advance by a bit. If the thread length doesn't change, loosen the set screw on the side of the bobbin case a small amount. If you get a really long tail of thread, tighten the set screw. See page 21 of the manual.

Next check for any loose threads and dirt in the housing around the bobbin case. Depending on the length of time that you have been using the needle, replace the needle.

I hope this helps.

Cindy Wells

Sep 28, 2017 | Juki TL-98Q

1 Answer

My bobbin stitch is too tight on my Juki DDL 8500-7, how can I fix this?


Hi LJ,
Look on the bobbin case, and see if there is a small screw. Usually that is the tension of the bobbin. You can adjust that until there is only slight tension on the bobbin thread.
Hope this helps
Joe

Sep 17, 2011 | Juki DDL-8300

1 Answer

Loose bobbin tension. How do I fix this?


on the bobbin casing there is a little screw, you will just need to tighten that. a very tiny bit at a time tighten it though. then pull on the thread and see if you have enough tension.

Mar 03, 2011 | Juki Sewing Machines

1 Answer

I have lost the manual and i dont remember how to thread a bobbin. Pleas help me and thank you!


Juki TL-98Q
Loading the bobbin into the bobbin case:
Snap in the bobbin case latch, and put the bobbin into the bobbin case so that the bobbin runs clockwise.
Passing the thread through the **** of the bobbin case, continue passing it under the thread tension spring, and pull out the thread open end about 10 cm from the bobbin case.
Insert the bobbin case fully into the hook, and close the bobbin case latch.
You can obtain a copy of the manual in pdf format for free at:
http://www.juki.co.jp/household_en/pism/img/tl98q/download/98qim.pdf

Jul 29, 2010 | Juki TL-98Q

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