Question about Brother CS-100-T Computerized Sewing Machine

3 Answers

Stitiching too loose

The stitiching looks like it is too loose with the bobbin thread and too tight for the top thread. I have moved the tension control from #3 to #4 to #5 to #2 - no changes - HELP.

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The top tension pulls the upper thread up to the top of the fabric. The bobbin tension pulls the lower thread to the bottom of the fabric.

An even stitch is a tug of war between the two.

If it looks good on the to and the bottom looks loopy, the bottom is dominating and the upper tension needs to be increased to pull the knots up.

If the thread on the top looks like a straight line, it is too tight on the top or too loose on the bottom.

Unless the bobbin case tension has been adjusted, the problem is usually on the top.

Posted on Jun 19, 2009

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Posted on Oct 18, 2011

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Make sure your thread goes under the plate of the carrusel. If not the machine think is not threaded and it beeps. Thread the machine with your left hand and 1.Pull the thread with your other hand to make sure it "clicks" to every part of the machine.

2.Make sure you are using good quality bobbin thread. There are some kinds that the Futura doesn't like.

3.There is a little screw attached to the bobbin carrusel. You can try to turn it just a little bit. The reason is that this carrusel gets loose after a while.

4. Clean and oil your machine at least monthly.

Hope something helps!

Posted on Nov 11, 2011

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1 Answer

Needle sways while stitiching creating uneven lines.


Two things come to mind. First, if your bobbin and upper thread tension are too tight, they may be pulling the needle out of line. More likely though, is you do not have the correct needle for the weight of fabric you're using. For example, a heavy jean type denim will require a thicker needle than a thin sheet type of cotton. Your sewing store can help you select the correct one.

Nov 19, 2013 | Brother Disney PE-400D Computerized Sewing...

1 Answer

Bobbin tension too loose


You don't give us the make and model of your machine.... so it's hard to give you decent specific advice. Secondly your question isn't making sense. If you are getting loops on the bottom your top tension isn't right(too loose) if your loops are on top your top tension isn't right.(too tight) The only time you would mess with bobbin tension is when you change thread weights significantly. Like from 40 weight to 92 weight or visa versa.



Look at your bobbin case, bobbin carrier, shuttle/carrier..... there is a spring (it's a flat piece of metal) on the spring is a small screw. Use a small screw driver and tighten the spring 1/4 turn. Loosen your top tension a couple turns. (remember right to tight, left to loose)

Mar 19, 2013 | Sewing Machines

1 Answer

On my elna 6004, why is my ziz zag stitch loose and sloppy?? I have read thread it, cleaned feed dog out, changed threads, changed needles..?


Possible causes:
top tension dial set too low
top tension dial not working at all
top thread not seated into top tension discs
top thread hasn't been threaded up correctly, missing out the tension discs or take up lever

Most likely your top tension device is either set too low, or gunked up and not working right or has actually failed. Can you access the tension discs? If so, turn dial to zero and 'floss' between the discs with the selvage edge of a clean piece of waste cotton fabric and see if any black stuff comes out. If so, continue until it comes out clean. Turn back to 5 or the marked normal setting.

Now thread up again from top spool down to tension, through take up lever, then down to the eyelet just above the needle. Lower the pressure foot to engage tension then pull on the thread downwards. Is it hard to pull? If not, then the tension dial is faulty and you'll need to get the machine serviced.

If this feels firm and hard to pull, then take a look at the lower thread tension but this shouldn't normally need any altering (unless you've adjusted it previously for some reason and not reset it to normal setting). Check thread is fully into the tension spring, bobbin is in the right way and bobbin case is in fully in the correct position.

If you look at the zig zag stitiching you've done, can you identify if the loose thread is the top one? If you use two different coloured threads for troubleshooting, this often makes it a bit easier to see what's happening, just make sure they are the same weight and brand of thread if you do this.

I hope this helps you to identify the problem and fix it. But if you suspect that the top thread tension device is just not tensioning the thread even if you turn the dial right up to 7, then you'll need to get the machine serviced as the dial could well be faulting.

Sep 26, 2011 | Elna 2007 Mechanical Sewing Machine

1 Answer

The thread keeps coming off the needing when i sew


Hello

I would suggest that you revisit the threading up in your manual and double check that the top thread is under tension.

However, if the stitiching on top of the fabric is wonky, this is your bottom tension too loose, and if stitching on the the underside of the fabric is loose, its the top tension causing it.

Quite often bobbin winding can be the cause of bad stitching so pull out the manual and wind a bobbin carefully following the instructions, making sure that the thread is under gentle tension as it winds. What you don't want is for the thread spool to bounce around as it unwinds onto the bobbin as this gives uneven tension of the thread and when you then stitch a seam, the thread relaxes in different amounts causing puckering.

So wind at 3/4 speed, and gently guide the thread onto the bobbin so it fills evenly across the whole core. And ensure there is tension on via a tension guide if your machine has one. If not, then place the curved handle of your scissors onto the top of the thread spool and hold it there as you wind, which holds the spool down and keeps the thread coming off it smoothly.

Always raise the pressure foot when you thread the machine so the top thread goes into tension fully. And new needle for each new sewing job is really important, make sure it is the right size and type of needle for the fabric you are sewing.

Aug 02, 2011 | Brother LS-2125 Mechanical Sewing Machine

2 Answers

Hi I am having problems with the top tension on my Singer 2662. I am following the instruction manual but nothing I seem to try works. Or it works for a while and then the next time I sew I have problems...


I would suggest that you revisit the threading up in your manual and double check that the top thread is under tension.

However, if the stitiching on top of the fabric is wonky, this is your bottom tension too loose, and if stitching on the the underside of the fabric is loose, its the top tension causing it.

Quite often bobbin winding can be the cause of bad stitching so pull out the manual and wind a bobbin carefully following the instructions, making sure that the thread is under gentle tension as it winds. What you don't want is for the thread spool to bounce around as it unwinds onto the bobbin as this gives uneven tension of the thread and when you then stitch a seam, the thread relaxes in different amounts causing puckering.

So wind at 3/4 speed, and gently guide the thread onto the bobbin so it fills evenly across the whole core. And ensure there is tension on via a tension guide if your machine has one. If not, then place the curved handle of your scissors onto the top of the thread spool and hold it there as you wind, which holds the spool down and keeps the thread coming off it smoothly.

Always raise the pressure foot when you thread the machine so the top thread goes into tension fully. And new needle for each new sewing job is really important, make sure it is the right size and type of needle for the fabric you are sewing. if you aren't sure what size is right www.sewing.about.com has great tips and general machine info, plus needle guides.

Jun 11, 2011 | Singer 2662

1 Answer

The thread underneath when sewing is too loosed


Usually thread too loose on the bottom is caused by the upper tension being too loose. The top and bottom tensions work together with the top thread making the underside of the stitch seem too taunt or too loose and the bobbin thread causing the top side of the stitch to be loopy or too tight. Select a large zig zag stick and sew a couple of inches. Then examine the stitch. It should look identical on both sides. Look to see which side is drawn too tight, the zig zag being smaller on that side with threads from the bottom threads pulled through. Then adjust the two tensions so that they make a uniform, identical stitch.

Also, when the bobbin tension is right you can hold the bobbin dangling by the thread and it won't spool out to the floor but will let loose a bit with a slight flick of the wrist. Too loose it will just spool out. Too tight and it won't drop at all. When you get that set right then do the above zig zag test to see where the top tension should be set.

Mar 02, 2011 | Sewing Machines

1 Answer

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

1 Answer

How do I adjust the tension for the backside of my stitich?


Top tension about 4 or 5, pull the bobbin thread through so there is slight resistence, if it is too tight, slacken the screw on the bobbin case about a quarter of a tuen anti clockwise and test and keep doing it until you get it right

Jun 25, 2010 | White Sewing 1866 Mechanical Sewing...

2 Answers

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.

Jun 08, 2009 | Euro-Pro Deluxe 7130 Mechanical Sewing...

1 Answer

Unable to adjust tension,


Sounds like the bobbin thread is not inside the tension on the bobbin case. This normally happens when the bobbin is upside down. Insert the bobbin and pull on the thread.The bobbin should turn counter clockwise.
sewman7

Jul 15, 2008 | Sewing Machines

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