Question about Janome 4623 Mechanical Sewing Machine

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Stiching the underside stitch is fine but the topside is loose so that the stitching doesn't hold.

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  • Anonymous Mar 30, 2014

    Top stitching is fine but underside is not

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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

Posted on Jul 08, 2008

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1 Answer

What causes loose, loopy-looking stiching on the underside of the fabric?


Rethread the machine. Its almost always caused by poor quality threads or misthreading.

Aug 25, 2014 | Sewing Machines

2 Answers

The stiches become loose after few seconds after i start sewing


I had a problem similar to this-- when sewing, tons of thread was bunching and looping out of the stitches instead of a nice neat stitch. I finally figured out that this old metal bobbin I put in was incompatible. I switched to a plastic bobbin (the kind like that which came with the sewing machine) and the stitches looked fine.

May 21, 2014 | Yamata FY812 Mechanical Sewing Machine

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Thread topside of Singer #5438 serial #C82656250


singer has a free pdf instruction manual for download

Go to the singer website
Go to the home page
Go to customer service--click on it--it will show a small menu--click on instruction manual
In the box put the model number (example 5438) & click search

Feb 02, 2012 | Singer Sewing Machines

1 Answer

My singer sewing machine model # 774 will not produce a lower stich that is not all jumbled on the underside of the fabric. The upper stich is fine, it's the bobbin stich that comes out all jumbled. ...


Looping thread underneath is a top thread tension issue...

I have written a 5 page illustrated Tutorial on overcoming this problem....HERE


Nov 08, 2011 | Sewing Machines

3 Answers

I have cleaned the machine. I have tried both solitions in my Jaome machine and still loops are forming on the botom. i have even moved the little screw on the bobbin- tested the thread and changed the...


If the loops are forming on the bottom it is the TOP thread tension you need to check. Make sure it isn't too loose. Also is the needle the right type and size for the fabric? Check the stitch out on plain cotton fabric if a tension adjustment doesn't fix it.

The TOP thread effects the UNDERSIDE of the stitch and the BOBBIN thread effects the TOPSIDE of the stitch :)

Jun 05, 2011 | Janome Sew Precise Mechanical Sewing...

1 Answer

THREAD GET BUNCHED UP UNDERNEATH THE FABRIC, THE STICHES SEEM TO BE INCOMPLETE THE TOP LOOKS GOOD THAN I TURN IT OVER AND THE THEAD IS BUNCHED AND LONG LOOPS OF THREAD ARE LEFT. THANKS LOU


Hi Lou! This sounds like a tension problem--the tension on the top thread is too loose. Try using different color threads on the top and bobbin, then carefully rethread everything. Stitch a couple of inches and check the underside. If the top stitches look fine and the bottom ones are loose and loopy, and with the pressure foot down, tighten the tension. Move the knob or dial (whichever you have) just a little bit. Sew a couple of inches more, and recheck. Continue to sew and recheck, gradually tightening the tension, until you see little if any bobbin thread on the top or top thread on the underside of the fabric.

Let me know if this helps, ok?


Robbie

Jan 27, 2010 | Singer Sewing Machines

1 Answer

Tension underside looks good, but top side the bobbin thread show


sometimes when you reset the top tension dont forget to reset the bobbin tension so try to tighten the bobbin tension

Nov 08, 2009 | Kenmore Sewing Machines

1 Answer

Stitching is too loose


hi! this particular problem is common when tension and stiches adjustment does not match and complied to fabrics your trying to sew,there a is hard way to find manual specialy to old ones. but if you want it may help you some i got here on manual sears 1803.if your control look similar to this in figure5180e2c.jpg there are stitch control one for straight stitching and one
on special stitching.the small dial near needle is tension dial.You can set tension on # 3 to 5
stitch dial as in figure7a4913a.jpgif you are
sewing a straight stiches set to # 8 to 12 trial are needed somtimes to acquired smooth sewing,Be sure no mechanical problem regarding in machine operation.try to sew a cotton fabric for trial then if sewing another fabrics sudden adjustment should be done.If your machine is equipted by auto tension just select on the fabrics.well small information can sometime helpfull ...nice sewing

Mar 18, 2009 | Kenmore Sewing Machines

1 Answer

Yamata FY7568 only stiches ----------


Have you changed your needle? If you have a dull or bent needle it can cause the machine to not lock the stitches together and the result is a straight stitch on every pattern. Also, check your stitch width selector and make sure that it did not get accidently moved.

Feb 11, 2009 | Brother Sewing Machines

3 Answers

BOTTOM STITCH IS ALWAYS LOOSE


If the top stitch is loose, then you need to tighten the bobbin tension: if the bottom stitch is loose, tighten the top tension. Hope this helps. It could also be the size needle and thread you are using for a particular fabric. Different fabrics require different notions.

Mar 13, 2008 | Sewing Machines

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