Question about Juki MO-654DE Mechanical Sewing Machine

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How do i fix the tension? i've been playing with the knobs for hours, but the threads are still too loose on the fabric.

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Try decreasing your stitch width and this should help. Put your tension dials on 4. Also make sure when you thread your machine your presser foot lever is up to allow you to get your threads through your tension discs properly. To test the tension (usually set at 4 on all 4 knobs) when you thread around the knobs pull the thread on both ends like you're using dental floss around the discs under the knobs so you can feel the pull (tension) on the thread. Let me know if this works for you.

Posted on Aug 23, 2010

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1 Answer

Straight stitch. Top is fine loose on bottomadjusting top tension does not help how to adjust bottom tension?


Usually, if there are loose threads under the fabric, it is the top thread that is too loose. Check your sewing sample closely--you can even test with two different color threads to help distinguish which thread is which. Loose top thread will generally be pulled DOWN and show under the fabric. Loose bobbin thread will be pulled UP and show on the top of the fabric. The ideal tension is when both threads MEET in the middle of the fabric.

First, remove the thread from the machine. Install a brand new needle. Always Raise the Presser Foot and thread the upper thread, making certain the thread path is correct.

Check that the bobbin thread is threaded correctly and turning the proper direction in the bobbin case.

Set the upper tension to the midway point and sew a retest. A tweaking of upper tension may be necessary to get it where it should be. Generally, upper tension should make the majority of adjustments needed for tension correction. Bobbin tension is one of the last tension adjustments to make as it is very sensitive and can go awry very quickly.

If, in fact, the bobbin tension is off, the tension skrew on the bobbin case is where the adjustment is made. Before making any bobbin tension adjustments, mark where the skrew slot is located on the bobbin case with a permanent marker. This will allow you to reverse your changes if necessary. Be CAREFUL as TINY changes make HUGE differences in tension. Make only 1/8th turn adjustment, then retest before making another adjustment.

Remember that tension testing and readjustment are a necessity when sewing. The same tension that will work with light weight thread and fine fabric will most likely not work when using heavy thread on drapery fabric. Get comfortable with making tension adjustments to get the ideal tension for each project.

Understanding Thread Tension Threads

Oh You Crafty Gal Sewing Lesson 10 How to Fix Tension on Your Sewing...

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=14&ved=0ahUKEwilg-3t2vHMAhVJDlIKHXnsBWYQFgheMA0&url=http%3A%2F%2Fwww.ca.uky.edu%2FHES%2Ffcs%2FFACTSHTS%2FCT-MMB-213.pdf&usg=AFQjCNE4QlGk1Fvt8K2UGCRCfzMpGS-A2Q&cad=rja

How to Adjust the Tension on Sewing Machine

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May 24, 2016 | Sewing Machines

2 Answers

What makes the stitches loose? How do I make them tight?


You should have a tension knob (1 to 10) on the machine, the lower the number the tighter the tension.

Jan 09, 2016 | Sewing Machines

2 Answers

I have a brand new Juki MO-50e and the threads are loose on the back of the fabric, how do I fix this?


  1. . re-thread your machine with a rainbow of colors. (important that you remove the existing threads if you are not sure it is threaded properly.) make sure you are lifting the presser foot while rethreading.
  2. Sew a good 6 inches.
  3. Look to see which threads are the offenders and tighten the co-responding tension knobs a little.
  4. Sew another 6 inches. Examine the result. Adjust tension again if needed.
  5. Work this way until you have the stitch balanced.
  6. Finally when your stitches are perfect. clip the threads at the spools in back. And tie on the coordinating colored thread for your fabric.
Get used to this procedure since it is common to have to adjust tensions when you change fabric. Good luck!

Oct 23, 2014 | Juki MO-644D Mechanical Sewing Machine

1 Answer

How to adjust bobbin tension on Sophia


Check for lint and loose threads in both tension disks and bobbin case.

May 11, 2014 | Husqvarna Sewing Machines

1 Answer

Janome MC 3000 top thread tension is very loose


Normally that happens when your fabric is too thick and is lifting the presser foot, when the thread did not get between the tension disks when you threaded it. (usually because it was threaded with the foot down) Or because the tension knob was turned by a kid that was playing with your machine. It should be at number 4 to 6. Either way, unthread it completely and rethread it and see what happens.

Jan 30, 2014 | Janome Memory Craft 3000

1 Answer

Janome sewing machine


the thread that you changed to is a lighter weight thread & the top tension must
be adjusted to work well with the thread & fabric
needles & thread have to work togeather with the fabric,, & the tension needs
to be check every time thread & needles & fabric are changed

Apr 11, 2012 | Sewing Machines

1 Answer

Stitch too tight on top, too loose on bottom


This is a problem with thread tension. The needle thread is too tight and the bobbin thread is too loose. I don't have one of these machines, but there should be either screws or knobs to adjust. Look at your manual. Here's a page I found on bobbin tension.
https://www.manualslib.com/manual/1022927/Toyota-Quilt-50.html?page=50

Aug 06, 2017 | Toyota Sewing Machines

1 Answer

When sewing, the thread keeps pulling the fabric threads and the result looks messy. I've tried playing with the thread tension but it won't help.


have you tried using a new needle- if the needle is the slightest bet bent or or damaged it can cause problem with the fabric threads

if the needle is not the correct one for the fabric, it can move or damage the fabric threads

also clean under the needle plate for loose threads or lint also in the bobbin area

Aug 29, 2011 | Brother CS6000i Computerized Sewing...

1 Answer

I have a singer 7258 that I can not get the tension to loosen up on. The top stitch is straight across and adjusting dial doesn't help.


Hello

Adjust the tension

Load your sewing machine with one color on top, threaded through the needle. Load the second color thread into the bobbin and thread.


Fold the scrap fabric in half, and sew a straight stitch at least 2 inches long. Look closely at the seam. If you see loops of the bottom color thread on top of the fabric, proceed to Step 3. If you see loops of the top color thread on the bottom of the fabric, proceed to step 4.


Loosen the top tension. Since the top tension is so tight, it is pulling the bottom thread up through the fabric. Loosen the top tension by turning the numbered knob on the front of the sewing machine counterclockwise by one number.


Tighten the top tension. Since the top tension is too loose, the bottom thread is pulling the top thread down through the fabric. Tighten the top tension by turning the numbered knob on the front of the sewing machine clockwise by one number.


Sew a straight stitch 3 inches in length. Check the stitching. It is perfect if the threads meet in the middle, and you can only see the top thread on top and the bottom thread on bottom. If it still needs adjusting, go back to step 2 to repeat the needed steps.


Using two different colored threads makes it easier for you to see which thread is being pulled.

Always use proper precautions when working with electrical machines.

Aug 01, 2011 | Singer Sewing Machines

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