Question about Yamata FY14U4AD

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The serger is not sewing right. Everytime I sew the thread from the top needle goes into the fabric, but the other threads do not. It does not come unthreaded just is not catching somewhere. I have rethreaded all threads multiple times and changed the needle. I am not sure what to do next. I have had the same problem I have rethread the machine and the needle and still no change!!

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  • Anonymous Mar 16, 2014

    My needle comes unthreaded while I am sewing. I changed the needles and rethreaded the machine and it still does this. This is my second machines in twenty years.

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  • 323 Answers

It sounds as though you have a timing problem. The lower looper is not catching the needle thread. You might try lowering the needle about 1/16 inch to see if the looper will catch the thread. If that works, you can put the needle back and adjust the needle bar. If it doesn't, then you need to take it to a technician.
sewman7

Posted on Jun 12, 2008

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1 Answer

Why do my top thread keep breaking


Basic Tips for All
  1. Always turn the handwheel TOWARDS you (counter clockwise) as turning it in the opposite direction (away from you, clockwise) may knock the timing out requiring repair from a service center.
  2. Always be sure your presser foot is in the DOWN position before sewing. Sewing with the presser foot in the up position will cause your thread to tangle and your bobbin to jam.
  3. Change needles regularly (after 16 hours of use) as dull/weak needles can cause damage to your machine and fabric. Only use SINGER needles on your SINGER sewing machine.
  4. Always be sure you are using the correct bobbin for your machine. Class 66, Class 15 and Class 15J bobbins look very similar. However, using the incorrect bobbin class in your machine can cause damage.
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May 22, 2015 | Sewing Machines

1 Answer

Why does the top thread sometimes picks up the hook and then picks up bobbin but bobbin then crosses over and makes a mess? Wont work


Basic Tips for All
  1. Always turn the handwheel TOWARDS you (counter clockwise) as turning it in the opposite direction (away from you, clockwise) may knock the timing out requiring repair from a service center.
  2. Always be sure your presser foot is in the DOWN position before sewing. Sewing with the presser foot in the up position will cause your thread to tangle and your bobbin to jam.
  3. Change needles regularly (after 16 hours of use) as dull/weak needles can cause damage to your machine and fabric. Only use SINGER needles on your SINGER sewing machine.
  4. Always be sure you are using the correct bobbin for your machine. Class 66, Class 15 and Class 15J bobbins look very similar. However, using the incorrect bobbin class in your machine can cause damage.
How do I thread my 3/4 thread serger? (14SH654, 14ET754, 14SH764, 14CG754)
Q.
How do I thread my 2/3/4/5 thread serger? (14T967, 14T968, 14T957)
Why is my electronic machine beeping? Why won't my machine sew? Why will my machine start to sew then stop?
Q.
How do I sew denim and heavy fabrics?
Q.
Why is my bobbin not winding evenly?
Q.
Why won't my machine pick up the bobbin thread?
Q.
Why is my machine skipping stitches?
Q.
Why is the thread looping/bunching under my fabric?
Q.
Why is the thread looping/bunching on top of my fabric?
Q.
Why doesn't my stitch pattern match what is on my machine?
Q.
How often should I oil my machine?
Q.
What types of thread should I use?
Q.
I can't see the take-up lever? n

May 21, 2015 | Sewing Machines

1 Answer

Y does my top thread pick up on hook and when it catches bobbin thread it gets tangled up on top of bobbin


Basic Tips for All
  1. Always turn the handwheel TOWARDS you (counter clockwise) as turning it in the opposite direction (away from you, clockwise) may knock the timing out requiring repair from a service center.
  2. Always be sure your presser foot is in the DOWN position before sewing. Sewing with the presser foot in the up position will cause your thread to tangle and your bobbin to jam.
  3. Change needles regularly (after 16 hours of use) as dull/weak needles can cause damage to your machine and fabric. Only use SINGER needles on your SINGER sewing machine.
  4. Always be sure you are using the correct bobbin for your machine. Class 66, Class 15 and Class 15J bobbins look very similar. However, using the incorrect bobbin class in your machine can cause damage.
How do I thread my 3/4 thread serger? (14SH654, 14ET754, 14SH764, 14CG754)
Q.
How do I thread my 2/3/4/5 thread serger? (14T967, 14T968, 14T957)
Why is my electronic machine beeping? Why won't my machine sew? Why will my machine start to sew then stop?
Q.
How do I sew denim and heavy fabrics?
Q.
Why is my bobbin not winding evenly?
Q.
Why won't my machine pick up the bobbin thread?
Q.
Why is my machine skipping stitches?
Q.
Why is the thread looping/bunching under my fabric?
Q.
Why is the thread looping/bunching on top of my fabric?
Q.
Why doesn't my stitch pattern match what is on my machine?
Q.
How often should I oil my machine?
Q.
What types of thread should I use?
Q.
I can't see the take-up lever? v

May 21, 2015 | Sewing Machines

1 Answer

Needle dragging in bobbin casing. How do I adjust needle shaft?


Basic Tips for All
  1. Always turn the handwheel TOWARDS you (counter clockwise) as turning it in the opposite direction (away from you, clockwise) may knock the timing out requiring repair from a service center.
  2. Always be sure your presser foot is in the DOWN position before sewing. Sewing with the presser foot in the up position will cause your thread to tangle and your bobbin to jam.
  3. Change needles regularly (after 16 hours of use) as dull/weak needles can cause damage to your machine and fabric. Only use SINGER needles on your SINGER sewing machine.
  4. Always be sure you are using the correct bobbin for your machine. Class 66, Class 15 and Class 15J bobbins look very similar. However, using the incorrect bobbin class in your machine can cause damage.
How do I thread my 3/4 thread serger? (14SH654, 14ET754, 14SH764, 14CG754)
Q.
How do I thread my 2/3/4/5 thread serger? (14T967, 14T968, 14T957)
Why is my electronic machine beeping? Why won't my machine sew? Why will my machine start to sew then stop?
Q.
How do I sew denim and heavy fabrics?
Q.
Why is my bobbin not winding evenly?
Q.
Why won't my machine pick up the bobbin thread?
Q.
Why is my machine skipping stitches?
Q.
Why is the thread looping/bunching under my fabric?
Q.
Why is the thread looping/bunching on top of my fabric?
Q.
Why doesn't my stitch pattern match what is on my machine?
Q.
How often should I oil my machine?
Q.
What types of thread should I use?
Q.
I can't see the take-up lever? wwww

May 16, 2015 | Singer 8763 Curvy Electronic Sewing...

1 Answer

Needle not picking up stitches


Basic Tips for All
  1. Always turn the handwheel TOWARDS you (counter clockwise) as turning it in the opposite direction (away from you, clockwise) may knock the timing out requiring repair from a service center.
  2. Always be sure your presser foot is in the DOWN position before sewing. Sewing with the presser foot in the up position will cause your thread to tangle and your bobbin to jam.
  3. Change needles regularly (after 16 hours of use) as dull/weak needles can cause damage to your machine and fabric. Only use SINGER needles on your SINGER sewing machine.
  4. Always be sure you are using the correct bobbin for your machine. Class 66, Class 15 and Class 15J bobbins look very similar. However, using the incorrect bobbin class in your machine can cause damage.
How do I thread my 3/4 thread serger? (14SH654, 14ET754, 14SH764, 14CG754)
Q.
How do I thread my 2/3/4/5 thread serger? (14T967, 14T968, 14T957)
Why is my electronic machine beeping? Why won't my machine sew? Why will my machine start to sew then stop?
Q.
How do I sew denim and heavy fabrics?
Q.
Why is my bobbin not winding evenly?
Q.
Why won't my machine pick up the bobbin thread?
Q.
Why is my machine skipping stitches?
Q.
Why is the thread looping/bunching under my fabric?
Q.
Why is the thread looping/bunching on top of my fabric?
Q.
Why doesn't my stitch pattern match what is on my machine?
Q.
How often should I oil my machine?
Q.
What types of thread should I use?
Q.
I can't see the take-up lever? o

May 16, 2015 | Janome Sewist 525S Mechanical Sewing...

1 Answer

Kenmore 385 #3 thread breaks


Try removing thread #3 from the tension altogether. If this doesn't work, then try using a different spool of thread. Some break easier than others. If this doesn't work, try rethreading your serger from the the beginning. Upper looper first, then lower looper, then needle. Test on scraps.

Dec 06, 2013 | White Sewing Speedylock 1600 Mechanical...

1 Answer

I have re-threaded, changed needles, adjusted the differential and cutting width but cannot sew a single seam without the stitches skipping, sometimes several in a row and sometimes only one.


SKIPPED STITCHES ON A SERGER

1. Is the needle bent or worn--replace

2. Is the needle inserted correctly into the needle holder--check needle

3. Is the Serger threaded correctly--rethread

4. Is the presser foot pressure right for the fabric--adjust
5. are the needles the correct ones for the serger
6. Possible timing problem--need to be checked at a sewing machine shop

Sep 18, 2013 | White Sewing Speedylock 1600 Mechanical...

1 Answer

How do I thread a janome 204d serger


Serger may have a threading diagram inside the front looper cover which should show the various thread eyelets that you need to pull the threads through and they may be numbered one to 4 also to indicate order of threading. The diagram is usually colour coded to match the tension dial colours and serger usually has colour dots on the different thread eyes to help you follow the thread path for each thread.

This video is great and hopefully will help you http://www.youtube.com/watch?v=zszJYQe2aws&feature=related, it has lay in tensions while yours has dials so just pull the thread around the dial right to left and then across to the next thread eye and this should pull the thread into tension. Dials are usually all set to 5 for normal stitch formation.

On my serger you thread up in the following order: top looper (second from right dial), bottom looper (right hand dial), then right needle, left needle; this video shows all threading going from right to left however, so if you have a numbered diagram inside your thread cover, then certainly use that order. But always loopers before needles.

Raise the thread aerial first before you start, put the cones onto the thread spools and if you have any cone holders (little plastic triangles) put them on the spools first to steady the cones. Now for each thread, take the thread tail from the cone, up through the aerial thread guide, then follow the coloured dots and take this down the front of the serger putting it into each coloured thread guide, through looper then up under the raised pressure foot. Repeat for next looper, then the needles.

Pull all 4 threads out under the foot to the left, lower foot, then chain off a little to start and test sew on fabric, adjusting the tensions if you need to.

Other adjustments are stitch length (usually a knob on right beside the flywheel numbered 1-4, blade position, a dial either left or right of the blade, press on the blade to release the tension on it before you try and move it. And differential feed, this is also a knob numbered 0.5 to 2 usually. If you can't see this on the right by flywheel then open up fabric plate (left cover) and look in there for these two adjustments.

I would suggest you start with tensions on 5, and stitch length of 2-3, and test sew on scraps of the fabric you wish to overlock. You can then either move the blade to cut wider or narrower to suit and adjust the two looper tensions if you need to close up the thread on the cut edge. There is no black and white settings as each fabric will behave a little differently, generally you adjust the looper tensions a bit until the stitch is encasing the cut edge and you have a seam width that suits the weight of the fabric.

Differential feed leave on zero unless you find you need it when a loose weave fabric goes wavy, then turn it down to close up the feeding. Sergers have two feed dogs, one before and after the foot and turning differential knob changes the ratio of feed between the two so either stretches the fabric, or pushes it together as it goes through the stitching sequence. So by turning differential feed up to 1.5 or 2 you are stretching the fabric and you can do a narrow rolled hem edge that is all fluted (lettuce edging).

I hope this helps you out a bit, if you are completely new to this machine and have never used a serger then I always suggest taking a class from a local dealer, it is really worth the money and time as they are quite different to sewing machines but once mastered, really change the dynamics of sewing and techniques are much more like commerical production with flat construction etc.

May 22, 2011 | Janome MyLock 204D Mechanical Sewing...

1 Answer

The serger is not sewing right. Everytime I sew the thread from the top needle goes into the fabric, but the other threads do not. It does not come unthreaded just is not catching somewhere. I have...


The machine was threaded incorrectly at first, but after changing the needle I was threading it correctly. The problem ended up being the needle depth. When I inserted the new needle, I did not have pushed up into it's slot quite far enough. I pushed it up all the way and retightened the screw. Now it is serging like a dream!

Apr 17, 2008 | Singer 5050 Mechanical Sewing Machine

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