Question about Sewing Machines

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My sewng machine is not forming stiches just nubbs on both the top and bottom

After changing the boobbin casing the machine is now having this problem. I have gone through all the mauals suggested steps

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Check the bobbin tension and make sure that the machine is threaded right. There are times that the thread is out of the tension disks or up take and we do not notice because we just threaded the machine.

Posted on Apr 02, 2014


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Posted on Jan 02, 2017

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This happened to me and I discovered that my presser foot was stuck up. (LOL) I was using embroidery and the needle was actually brushing against the raised presser foot. So, I turned machine off, removed embroidery part and checked the presser foot switch. It was not moving. Well, I put the machine on regular sewing and just turned the wheel a few times and the presser foot reset. When I went back to embroidery all was fine (and still is). so, check yours.

Posted on Dec 26, 2008

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SOURCE: Tension is gone loopy stiches both top and bottom.

Lift the presser foot when you thread the machine and this should resolve the problem.

When the foot is up, the tension is open and can accept the thread as it should.

When the foot is down, the tension can control the flow of thread according to the setting you have selected.

Posted on Feb 19, 2010

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SOURCE: top stitche is to tight and bottom stitche is to loose

Meaning you have adjusted the tension for the top thread as well as the bobbin?

Use two distinct colors of thread - one for the top and one for the bottom.

Thread the machine with the presser foot up.

The two threads should meet in the middle of the stitch with neither obvious on the opposite side of the seam.

Set the top thread tension to 4 and adjust the bobbin as needed.

Posted on May 01, 2010

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SOURCE: My machine is making a loud knocking sound and the

It is usually your top threading causing the problem. Totally rethread, make sure that the thread is not tangled, put in a new needle, now with the presser foot up, pull on your top thread, it should pull smoothly, then lower the presser foot, it should barely move. This should seat the thread in the tension discs. It probably would not be a bad idea to clean and oil your machine now, too. I don't know if you would want to, but I have taken off the throat plate and found lots of lint in there that I wouldn't be able to see otherwise. It almost looks like felt sometimes and there shouldn't be any "felt" there. I hope I helped you.

Posted on Dec 08, 2010

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SOURCE: my top stich is tight,but bottom is loose of my

Think in opposites... the top stitch is formed by the bottom thread tension and the bottom of the stitch by the top. So either the bobbin thread is too tight or the top thread is too loose. Check the bobbin thread first as that is the one most overlook. It should come out of the bobbin without having to yank it hard but it should have a little resistance.

Posted on Mar 23, 2011

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Lervia sewng machine. material wont feed through. Dogs are up but material just wont move through. needle moving freely.

Hm, could be several things. If stitches are not being formed, it could be a timing issue (the needle does not arrive at the bobbin at the correct time). Did the machine recently hit a pin or something hard? That will knock a machine out of time. There could also be a broken piece stuck that is preventing the feed dogs from operating. Thoroughly clean the machine around the bobbin area and feed dogs.


Jul 28, 2016 | Sewing Machines

1 Answer

When iam stiching the bobbin thread is not interlocking with the pool thread ,the straight stich is not stiching properly

Do you have thread in your bobbin?
Is your needle fully inserted in the needle bar?
Is it the right needle for the machine?
Is your needle damaged, bent or dull?

Jul 26, 2012 | Singer 7470 Computerized Sewing Machine

1 Answer

Tension setting set on five allows top stich to be pulled out easily. Higher or lower settings seem to have no effect

Are you sure you're threading the machine up with the foot lifted ... if not, the thread may not lay properly in the tension discs and you wont be able to adjust the tension properly. Thread the machine up with two colours top and bottom and check whether the stitch is being formed properly - the two colours should pretty-much be on the correct sids of the material.

Sep 11, 2011 | Bernina Artista 170

1 Answer

When i try to sew after i have pulled the bobbin thread through no stiches are formed both threads are on top but no stiches are formed

Be sure your bobbin is inserted correctly. This is usually the main cause for the stitch not being made. If that's not the answer, be sure the upper threading is correct. If a thread guide is not threaded or if the thread does not go between the tension plates, this might cause your problem.And of course, make sure the needle is inserted with the groove toward you and that it is inserted completely in the needle channel. If none of these are the problem, the bobbin case may need to be adjusted or checked for burrs. I really hope this helps you. If it does, please come back to Fixya and rate my advice.

Aug 01, 2011 | Singer Sewing Machines

1 Answer

My top stich is tight,but bottom is loose of my singer sewing machine.

Think in opposites... the top stitch is formed by the bottom thread tension and the bottom of the stitch by the top. So either the bobbin thread is too tight or the top thread is too loose. Check the bobbin thread first as that is the one most overlook. It should come out of the bobbin without having to yank it hard but it should have a little resistance.

Mar 22, 2011 | SINGER 7470 Sewing Machine

2 Answers

Model 7467. bought in april and it was working. now top and bottom threads will not form "stich". it is threaded correctly! took off face plate - nothing jamming up. machine made a clunking noise...

try changing the needle
check the top thread tension
check to make sure the bobbin is inserted in the bobbin case correctly
check to make sure the bobbin case is correctly inserted into machine

Sep 30, 2010 | Singer Confidence 7467 Mechanical Sewing...

1 Answer

I have a singer model 2200 inspo\iration sewing machine. The top stich sews perfect, but the bottom stich balls up.

Totally rethread your machine, then check your needle, put in new one if you haven't changed it in awhile or not sure if it is bent. Usually it is in the top threading for problems underneath. Also, make sure that you are using the same weight of thread top and bottom or else you can have problems. Good luck

Sep 26, 2010 | Sewing Machines

1 Answer

I do not have a users manual for my janomeHF107 and I am having trouble with the bottom stitches looping. the top stiches look fine, but the underneath stitches have loops. I have tried everything i can...

Raise the presser foot before threading the machine.

What looks like a problem with the bobbin thread is usually due to the machine being threaded with the foot down.

Foot up - tension control opens; foot down - tension control closes.

When the tension control is closed, the thread cannot enter as it should and then cannot be controlled to form a proper stitch with the bobbin thread.

The Singer Sewing Co website has many graphics that are the same for all sewing machines - you can check there with regards to winding, inserting the bobbin into the case/shuttle and bringing up the bobbin thread.

Mar 01, 2010 | Janome HF-107

1 Answer


It sounds like a thread tension problem. Find the knob for the tension and play around with it (look for instructions in the manual). If that doesnt work it might be the bobbin thread thats too lose in which case I would take it to the store or a repair service and have them show you how to do it.

Jan 05, 2008 | Brother LS-2125 Mechanical Sewing Machine

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