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How do I adjust the tension on the Janome 4030 QDC? The top thread remains super tight, even when the needle tension is lowered. The bobbin tension is loose.

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

Hi there,
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Posted on Jan 02, 2017

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Anonymous

  • 1 Answer

SOURCE: sudden knotting under fabric

I have an Elna 2005 machine and had a similar but opposite problem whereby the tension up top was too tight - thread wouldn't pull smoothly. I found adjusting the feed dog lever slightly helped the stitches a lot, even though the needle tension up top is no better. Hope that helps! :-s

Posted on Oct 29, 2007

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Anonymous

  • 111 Answers

SOURCE: Can't get thread tension right on my Euro-Pro 7130

the top seam is actually the bobbin thread. dots on the underside means that the top tension is too tight. you may have a piece of thread or something gummy caught between the upper tension disks.

Posted on Jun 11, 2009

RickE1

Rick

  • 202 Answers

SOURCE: I cannot get a perfect stitch on my Bernina 1260.

Possibly its the check spring that takes up the slack in the thread as the needle pierces the fabric. slowly lower the needle through the fabric and watch if there is slack in the thread just above the fabric. If there is then this check spring needs to be adjusted. I hate to say this and its not just because I am a Bernina tech but its time for it to be serviced. many things might be the culprit. The distance between the hook and needle could be off for one more reason. Or something dirty or fluff under the spring the thread goes under on the bobbincase. Either a servicing or use the same color bobbin thread beneith is in order. Wish I could help more but you have tried a lot so I ruled those out such as tighter bobbin tension or looser upper tension or the combination of both.
Good luck
Rick Engel

Posted on Oct 09, 2009

Testimonial: "Thanks, Rick. I will try your suggestion to watch for slack in the thread. Thanks for not suggesting I do all the things I have already tried!"

Anonymous

  • 3 Answers

SOURCE: How do I adjust tension top thread too tight bottom

The bottom tension is too loose. If your bobbin is in a case there is a little screw on the side that will tighten the plates and increase the tension. Test your thread coming out of the case as you slowly make adjustments to the screw. A slight bit of resistance is what you want. If your sewing still puckers you may have to loosen the tension on the top. Sew on a scrap and go toward the smaller numbers to loosen the top tension until the stitches meet between the two layers of fabric.

Posted on Dec 21, 2009

paj42

  • 1116 Answers

SOURCE: Needle thread looping underneath, threads not interlocking at all

If the machine is now threaded, lift the presser foot.

Now, pull about 10" of thread through the needle.

The next time you thread the machine, lift the presser foot first.

When the presser foot is up, the tension control opens and allows the thread to "seat" into the control, then when the foot is down the control closes to the indicated setting.

When threading the machine with the foot is down, thread does not enter the tension control and when you start to sew, there is no tension on the thread.

No tension = loosey, goosey, loopy stitches underneath.

Because the lack of tension on the top thread, the bobbin thread cannot lock a proper stitch.

Posted on Mar 10, 2010

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1 Answer

Janome qdc 4030: bobbin holder makes noise when sewing. If I take out the thread the noise is gone.


make sure that the bobbin is place in the holder so that the thread comes out in the right direction

May 17, 2018 | Janome Sewing Machines

1 Answer

I have a janome DC4030 the top thread keeps breaking on thicker materials,


Make sure the correct length of needle is used and installed correctly. Sometimes it moves slightly out of the holder without falling out but just enough to affect the needle eye position which can cause this kind of problem. For thicker materials use either ball point or denim needles. As last resort the top thread tension might be too tight. Adjust the top thread tension.

Jun 09, 2017 | Janome Sewing Machines

1 Answer

Adjust thread and bobbin tension


These are the instructions in the manual:
Adjusting the Thread Tension
Balanced thread tension:
Small amount of the needle thread shows on the wrong side of the fabric.
When the needle thread tension is too tight:
The bobbin thread shows on the right side of the fabric. Reduce the tension by turning the tension dial to a lower number.
When the needle tension is too loose:
The needle thread forms loops and the stitches look shaggy.
Increase the tension by turning the dial to a higher number.

However, if you have recently changed the needle check that it is pushed right up in the slot. Other thing that springs to mind is making sure that the bobbin thread is correctly placed in the bobbin, and that the chamber is not full of lint and threads.

Feb 06, 2015 | Janome Memory Craft 5700

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Elastic thread pulled too tight in Janome Sewist 525S


I would say your tension spring is shot on your tension assembly. replace it.

Mar 27, 2017 | Janome Sewist 525S Mechanical Sewing...

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Hello dear


have you tried changing the needle?
have you tried adjusting the top thread tension?
it might be the needle and the thread are not compatable,, the needle may be to light for the thread.
if the suggestions don't help, sew on the sewing machine till it makes the loop and then stop the machine and take it to the repair man and let him see the loop and then ask him why it's making the loop.

Jul 25, 2013 | Janome Sewing Machines

1 Answer

I need to adjust the bobbin/lower thread tension on my Freesia Viking sewing machine.... Now I know why it was sold. I sew lots... but am at a standstill on how to remove or get to it to adjust it..


Good day!

please try this simple tips:

Good day!

A sewing machine operator can often help themselves when their machine does not operate properly.
Here are some simple instructions, which if properly used can save time and mechanics service calls.
TROUBLE;UPPER THREAD KEEPS BREAKING;
This could be trouble;================Do this;
1.Top tension to tight================loosen tension 1 turn
2.Machine improperly threaded=========check threading
3.Thread twisted on guide post========"
4.Thread twisted out of tension======="
5.Take up spring bent or broken=======Check action of spring
6.Thread jumped off pull off finger===Check threading
7.Needle bent or burred===============new needle
8.Bad cone of thread==================try another cone
TROUBLE;LOWER THREAD KEEPS BREAKING;
1.Bobbin tensionspring to tight=======Loosen tension slightly
2.Bobbin threaded wrong===============check threading
3.Bobbin wound to tight or uneven=====try new bobbin
4.lint or thread on bobbin case=======clean inside case
5.Lint or thread inside hook==========clean inside hook
6.Bobbin case nicked bent or burred===check/change case
TROUBLE;MACHINE STARTED SKIPPING STITCHES;
1.Needle bent or burred===============change
2.Needle set in crooked===============Check
3.Thread jumped off take up spring====check threading
4.Thread jumped off pull off finger===check threading
TROUBLE STITCHES SHOWING LOOPS;
1.Forming loops on top of cloth=======Tighten bobbin tension
======================================or loosen top tension.
2.forming loops on bottom of cloth====Tighten top tension
3.Bobbin placed in case incorrectly===remove and replace
4.Bobbin thread slipped from under====check threading of
tension===============================bobbin case
5.Lint or thread in top tension=======clean between tension discs


Thank you and good luck.

Jun 08, 2011 | Husqvarna Freesia 415

1 Answer

Needle keeps jamming, won't thread


Good day!

please try this simple tips:

Good day!

A sewing machine operator can often help themselves when their machine does not operate properly.
Here are some simple instructions, which if properly used can save time and mechanics service calls.
TROUBLE;UPPER THREAD KEEPS BREAKING;
This could be trouble;================Do this;
1.Top tension to tight================loosen tension 1 turn
2.Machine improperly threaded=========check threading
3.Thread twisted on guide post========"
4.Thread twisted out of tension======="
5.Take up spring bent or broken=======Check action of spring
6.Thread jumped off pull off finger===Check threading
7.Needle bent or burred===============new needle
8.Bad cone of thread==================try another cone
TROUBLE;LOWER THREAD KEEPS BREAKING;
1.Bobbin tensionspring to tight=======Loosen tension slightly
2.Bobbin threaded wrong===============check threading
3.Bobbin wound to tight or uneven=====try new bobbin
4.lint or thread on bobbin case=======clean inside case
5.Lint or thread inside hook==========clean inside hook
6.Bobbin case nicked bent or burred===check/change case
TROUBLE;MACHINE STARTED SKIPPING STITCHES;
1.Needle bent or burred===============change
2.Needle set in crooked===============Check
3.Thread jumped off take up spring====check threading
4.Thread jumped off pull off finger===check threading
TROUBLE STITCHES SHOWING LOOPS;
1.Forming loops on top of cloth=======Tighten bobbin tension
======================================or loosen top tension.
2.forming loops on bottom of cloth====Tighten top tension
3.Bobbin placed in case incorrectly===remove and replace
4.Bobbin thread slipped from under====check threading of
tension===============================bobbin case
5.Lint or thread in top tension=======clean between tension discs


Thank you and good luck.

Jun 07, 2011 | Janome D'cor Excel Pro 5124 Mechanical...

1 Answer

SIMILAR PROBLEM OF TOP THREAD ACCUMULATING IN BOBBIN AREA


it sounds like a needle threading problem. if you have the instruction book, pull yout needle thread off the machine and re-thread as per the book ie presser foot up and make sure thread goes betwen tension discs and up over takeup lever.

to check needle tension is ok, lower presser foot and pull needle thread through needle, the needle thread should be tight enough to bend the needle a little.

goodluck,

scott.

Jul 28, 2009 | Janome Mini Compact

2 Answers

Top thread breaking during sewing.


your needle needs to be replaced and make sure it is in correctly..if this does not work you will need to make sure your thread is not old. then adjust you bobbin tension...there are 2 tensions on machine top and bobbin

May 22, 2009 | Janome Memory Craft 9000 Computerized...

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