Question about Brother CS6000i Computerized Sewing Machine

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Bobbin is sewing loose. top stich is fine.

What can I do to fix this problem.

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  • 184 Answers

Turn the upper thread tension to a larger number

Posted on May 07, 2010

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1 Answer

When i am sewing the stiches on top, but its at the bottom


change the needle --make sure it's the right one for the fabric
being sewed

rethread the machine top and bobbin

make sure the bobbin is turned the right way in the bobbin case

also check the top thread tension, if the stitches under the fabric
are loose adjust the top thread tension one number or letter higher
at a time and sew on a scrap piece of fabric till the stitches look
normal

here is a free manual
http://www.singerco.com/uploads/download/696_5417c.pdf

Jan 07, 2013 | Singer 5417 Mechanical Sewing Machine

2 Answers

I have a janome 8050 sewing machine. It has started making loose stiches underneath and making a noise. I have changed the needle, bobbin, thread, cleaned the bobbin area. It will not make any stiches at...


The key to proper stitches is that tension on the bobbin must equal the tension on the upper thread spool as well. The bobbin has a tension screw that may have come loose or the thread is not properly in the tensioner. For example, the bobbin could be in backwards. Or the tension of the top could be too light and allowing the tension on the bottom to pull the thread down too much.
Open the bobbin tray and watch while you slowly rotate the hand control to see it make a stitch.
You will probably be able to figure out what is wrong.

Apr 08, 2011 | Janome 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

1 Answer

My machine will only sew a stich or two then the motor still goes, but the feed dog and needle get stuck like the top thread is tangling with the bobbin. How can I fix that?


check you needle to see if it's damaged
check to see if the top thread to see if it's come off the thread take up lever
check to make sure there's no lint or loose thread in the bobbin area

Sep 30, 2010 | Kenmore Drop-In Bobbin 16231 Mechanical...

1 Answer

Loose stich on bottom of fabric


Hi. The problem is that your upper tension is too loose. It needs to be tighter in order to pull the bobbin thread up.


Robbie

Apr 17, 2010 | PfaFF Creative 7570

1 Answer

Top thread is loose


Your needle thread tension is too tight or the bobbin tension is too loose. If it is the latter try turning the bobbin case tension adjusting screw clockwise abot a full revolution.
If that does not work there is more than likely a bit of lint behind the tension spring, so carefully remove it and clean it out.

Jul 06, 2009 | Singer 2662

1 Answer

Upper thread knots up with bobbin thread when sewing a stich


Thread test
Test your thread quality to start, thread your machine and LIFT the presser foot (this opens the tension disks). Pull your top thread straight back. If you feel no tension no mater how much thread you pull, your thread is good. If that your machine passes that test, then let me know, we can go to step 2. If not, try different spool of thread, same test until you get a smooth pull (tip: always check your thread this way when you thread your machine)
Step 2:
Pull on your threaded bobbin thread while it’s in the machine. Does it pull smooth and even? If so, go to step 3. If not, try a new bobbin (bobbins get bent or distorted if wound too tight).
Clean thoroughly in the hook and bobbin case area and oil 1-2 drop is all.
Thread knotting on the bobbin can be a lot of things but here's some guidance:
Tension:
If the thread is loose on the bottom of the fabric, it's actually the top thread is too loose. Think of 2 little elves playing tug of war in your machine, one on toip and one underneath. If you have loops on bottom, the top needs to pull harder (tighten top tension)
Jamming bobbin case:
If it is damaged from turning out of place once, it could have rough spots on it that makes the thread hang on it, and keeps making it turn over and over. Use a finger nail board (fine sanding) and smoothall rough spots. Then reset the bobbin case taking care to put the notch in the bobbin case in alignment with the proper spot in the machine (basically 5 o’clock) when looking at the round area where the bobbin case goes.

Mar 16, 2009 | Sewing Machines

1 Answer

Stiching


It's very possible the bobbin is in upside down and the thread is coming out of the lower tension. Pull on the thread and the bobbin should turn counter clockwise if it is correct . If it turns clockwise, flip the bobbin over , put the thread through the lower tension and try it again. The topside stitch is loose either because the lower tension is loose(or non-existent) or the top thread is too tight.
sewman7

Jul 06, 2008 | Janome 4623 Mechanical Sewing Machine

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