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I have a Juli DDL 8500. The thread on the bottom side of fabric is looping too loosely around the bobbin thread. How do I fix this?

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  • Master
  • 2,899 Answers

Be sure the thread is under the tension spring in the bobbin.

Posted on May 02, 2015

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6 Suggested Answers

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Posted on Jan 02, 2017

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  • 25 Answers

SOURCE: thread caught in hook race

There should be a small screw on the side of your bobbin case adjust it little by little until you get the correct tension.

Posted on Jun 15, 2009

  • 255 Answers

SOURCE: Singer 301a...sews on top of fabric

This is a tension adjustment problem. It's good to use two different colors of thread, like you did. From your description, the top thread (needle thread) tension needs to be tighter. As you tighten the tension of the top thread, you'll see that the top thread pulls the bobbin thread up into the fabric so it's no longer laying loose on the bottom of the fabric.

You'll need to have the pressure foot down when you tighten the tension. Tighten it a little, sew a practice seam, check to see what the stitch looks like. Tighten it a little more, sew, check, etc etc--until both top and bottom look the same--you shouldn't see much (if any) of the bobbin thread color on top of the fabric or the top thread color on the underside.

Let me know how this works for you, ok?


Robbie

Posted on Jan 26, 2010

  • 300 Answers

SOURCE: bobbin thread is loose, how do I fix this?

Thread the UPPER thread correctly and set the tension to 5.

Posted on Feb 11, 2010

  • 371 Answers

SOURCE: The bobbin thread on my Viking Designer 1 is too tight

In most cases, this is caused by loose threads and fluff being in the upper tension unit rather than a problem with the bobbin. There is a screw on the bobbin case that losens and tightens the resistence. However, it can easily come out and then you have a mess.

Try this to check the bobbin thread tension -
Take the bobbin case holder out of the machine. Use a bobbin that is about half full and use standard 50 wt sewing thread.
Take your needle plate (the metal plate over the feed dogs that has markings showing stitch width under the presser foot).
Thread the bobbin thread in the bobbin case, holding the case so that the thread is through the tension spring as though it is in the machine, tied the end of the tread to the needle plate and have it hang below the the bobbin case.
If the needle plate immediately drops to the floor, unwinding the bobbin, the bobbin tension is too loose. If you jiggle the bobbin case slightly up and down and the needle plate moves slightly down, it is just right. If it does not move at all it is too tight. The resistence should be 14g which is the weight of the needle plate.

The upper tension unit, look straight down from the tension unit and you should see some metal disks which the upper thread rides through when threaded. Take your small cleaning brush and brush out any loose threads/fluff there. Look down the left side of the tension unit to make sure there is none hiding.

When you tighten the upper tension unit by pushing the tension buttons on the screen, do you hear the tension disks tightening? If not, it may be the pc board or the tension unit itself that will have to be replaced.

Otherwise, you might want to take it to an authorized husqvarna viking dealer for service. You can locate a dealer near you by visiting the husqvarna viking website and clicking on the Dealer link on the left-hand side of the page - http://www.husqvarnaviking.com

Good luck

Posted on Feb 13, 2010

chrismyers67
  • 53 Answers

SOURCE: Pfaff Select 4.0 has looping on bottom of fabric, free motion qui

Make sure your are lowering the pressure foot first before you start sewing. With the free motion foot, you still have to lower the pressure foot, this allows tension to be put on the top thread and allows the foot to work properly (when the needle goes down so should the foot and when the needle comes up it should lift the foot up.)

Also make sure your tensions are in a middle setting and that you are threading the machine with the pressure foot up.

The way to insure you will not get your problem is with the foot up, you should be able to pull the thread easily right before the eye of the needle and when you put the foot down you should then feel a fair bit of tension on the top thread.

hope that helps :)
chris

Posted on Jun 06, 2010

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How do I fix the thread tension on the bobbin side. The thread is looping


Adjusting the bobbin tension should be the last thing to try. Usually, if the machine is working properly, the upper tension should be the main form of tension adjustment. If the upper thread is looping under the fabric, the upper thread is too loose.

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Back side of stitches are loose


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Jun 15, 2016 | Sewing Machines

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Juki DDL 8500: Bobbin thread is not coming up to the top side and the top thread is looping on the underside. Bobbin thread slides right out, and I've had no luck adjusting the top thread tension.


What thread are you using and what are you sewing? I'm assuming the machine is stitching correctly and it is just a tension issue. I would test each thread seperatly by hand and see if one thread is too tight or too loose. Thread on the bottom usually mean the top thread is too loose however it could by the bobbin is too tight. It could also indicate a slight timing issue or a burr on the hook. Is the thread shredding or getting damaged?

May 02, 2015 | Juki Sewing Machines

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The bottom thread in my sewing is looping and baggy.


Hello, If the thread is loose on the bottom then it is the tension on the top. If the thread is loose on top then it is underneath.

Dec 11, 2014 | Sewing Machines

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The bobbin thread is loopy on the under side of the fabric. I tried adjusting the tension setting but it didn't help at all.


Loops stitches on the underside is typically from the TOP tension being too loose, however it can also be the bobbin tension is too tight, or a problem with the needle. I would check them in that order.

Hold the bobbin thread and let the bobbin dangle. A slight shake of your hand should allow the bobbin to move downward (lets more thread out) but not so much that it just drops to the floor. When you put it in again and try sewing look at the top stitches. Do they look overly tight? THen the bobbin tension is too tight. The stitching should look the same top and bottom with no loops.

If both tensions seem to be alright check to see if the needle is: 1. the right size and type of the fabric 2. not bent

That should fix your problem :)

Jan 22, 2011 | Husqvarna Rose

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Looping thread bottom side of fabric


That means you have not routed the bobbin thread properly, or bobbin has not been filled properly. Could also mean your tension is incorrect.

Feb 14, 2010 | Brother Sewing Machines

1 Answer

Singer 301a...sews on top of fabric nicely...bottom is just loose loops of thread...it's like the bobbin is not sewing...I put 2 different colors in to see...top is perfect...on bottom of fabric I see the...


This is a tension adjustment problem. It's good to use two different colors of thread, like you did. From your description, the top thread (needle thread) tension needs to be tighter. As you tighten the tension of the top thread, you'll see that the top thread pulls the bobbin thread up into the fabric so it's no longer laying loose on the bottom of the fabric.

You'll need to have the pressure foot down when you tighten the tension. Tighten it a little, sew a practice seam, check to see what the stitch looks like. Tighten it a little more, sew, check, etc etc--until both top and bottom look the same--you shouldn't see much (if any) of the bobbin thread color on top of the fabric or the top thread color on the underside.

Let me know how this works for you, ok?


Robbie

Jan 25, 2010 | Singer Sewing Machines

2 Answers

My bobbin thread is making big loops


Bottom looping says upper tension problems (too loose). Rethread it making sure the presser foot is up so the thread is inbetween the tension discs.

Dec 11, 2008 | Bernina Bernette 75

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