Question about Necchi 3102 Mechanical Sewing Machine

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The thread from the bobbin (Yellow) shows on white thread ,especially when doing reverse stitches. I just bought the machine second hand. The tension was messed up when I purshased the machine.

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If you go to sewusa.com you can buy a manual for $10 plus shipping , it probably will be worth the money. You have a very good machine and should last for years. All metal and considered a workhorse, I have an old workhorse myself and do not want to part with it because I know that one will sew anything, sometimes the new ones are too light to handle heavier projects. Good luck with your machine, and if all else fails take it in and get it professionally adjusted, you will not be sorry. Like anything, they get old and need a little tlc occasionally, as we all do.

Posted on Sep 17, 2010

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Model 525B. Why is bottom stitch loopy and the hand wheel and needle jam?


try a new needle

try adjusting the top thread tension to see if that helps the bottom loopy stitch

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I took the bobbin holder out to clean it but when I put it back in it won't stitch but takes the thread out of the needle. How can I fix it?


any of my machines will take the thread unless I hold the end also .especially if I do not have a long tail thread to begin with .

Oct 26, 2015 | Sewing Machines

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My brother pe770 is allowing bobbin thread to show on top sporadically which makes the stitching look like it is speckled with white. I have adjusted tension..cleaned and changed everything.


Shelia,

when sewing these parts of the design, (small stitches? ) load your bobbin with the same top thread. Just match the top thread color, and done! No more white bobbin thread in the topside of your designs.

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Feb 25, 2015 | Brother PE770 Computerized Sewing Machine

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Thread tension will not adjust.


Check your setting, you have your stitches set too far apart. Wherever on your machine you see the zigzag stich you will see other stich settings, look at it until you see the right amount of stiches you want.

Mar 06, 2017 | Brother CE8080PRW Limited Edition Project...

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I have a brother ls-2125 sewing machine. the upper thread is not catching the bobbin thread properly. help please


  1. Tension
    • Your sewing machine tension controls the rate at which the thread is fed through either the upper section of your machine or through the bobbin case. If your upper or bobbin threads aren't threading properly, sometimes adjusting the tension will correct this problem.
    Timing
    • Your sewing machine works by passing the upper thread through the needle of the sewing machine at precisely the same time the bobbin brings its thread to its uppermost position. If either the needle or the bobbin thread reach these positions too soon or too late, the threads won't interact and create the knots that make the seam. You can throw off your timing by sewing too many layers of fabric or hitting a pin with your needle. See you sewing machine repair facility to correct any timing issues.
    Thread
    • Thread can get snagged or caught in the upper section of your machine or on lint pieces in the lower bobbin section. If your threads aren't catching properly, you may be able to fix it by unthreading and rethreading both your upper thread and bobbin threads.

Oct 15, 2011 | Brother LS-2125 Mechanical Sewing Machine

1 Answer

I have an sx 2122 new home machine. My reverse stitch is not working properly. Everything is running in reverse. I am not holding the reverse stitch down and it still goes in reverse. I bought my...


Hello

I'm thinking it's that you have to hold it down the whole time you want to stitch in reverse,if not,

The most common cause of machine misbehavior is - believe it or not - the needle. So swap it out. I don't care if it is brand new --- sometimes they are bad from the manufacturer. It is such a simple fix and one that you need to learn right now -- when in doubt -- change it out!

Be sure to install the needle the right way. There is a flat side that needs to hit the adjusting screw so that it doesn't wiggle around when sewing.

Next - be sure that you have threaded the machine correctly - go back and look at the owner's manual and re-thread the machine -- leaving about a 2-3" tail after going through the eye of the needle from front to back.

Now - for the bobbin -- is this the bobbin that came with the machine? If you purchased new ones - are they the right size - it doesn't go well with the wrong size bobbin. OK - now, did you wind it on the machine or by hand? If you did it by hand -- is it evenly, tightly wound. Are you using standard thread or are you trying a specialty thread?

Did you put it into the bobbin case / holder going the right direction -- machines can get pretty finicky - so make sure that it is unwinding the correct direction. It must turn counterclockwise. If the bobbin is in backwards or upside down - easy to do on some machines, and impossible on newer models, it can cause a great deal of trouble.

Also, make sure that you have not inadvertently bumped the tension adjuster for the bobbin. This can be a stick like adjustment at the top of the machine - may be an adjustment on an LCD screen - it varies depending on the model.

Again leave a 2 - 3" tail and put it in place correctly.

Make sure that the presser foot is up - and that the feed dogs are engaged.

Now - using the hand wheel on the right side of the machine - and holding on to the upper thread tightly - move the needle up and down once to bring up the bobbin thread through the throat plate of the machine. The bobbin thread will be caught up and a loop will be visible between the presser foot and the base plate. Gently pull both threads up and to the back of the machine - out of the way of your sewing.

When you begin working on a piece of material - hold both threads firmly to the back and take the first few stitches slowly to make sure that they are not going back down the throat of the machine. Be sure NOT to try to start at the very edge -- begin about a 1/8 to 1/4" in from the edge. If you are doing quilt work and only using a 1/4" seam - then back up after starting and come forward again. If you are using a traditional 5/8" seam allowance - no worries

Aug 02, 2011 | New Home Sewing Machines

1 Answer

Need new bobbins as the ones I have are not for


Hi Karen. First, you really do need a manual for your machine. I found one at http://www.sew4less.com/browse.php?CategoryID=5&filter_brand_id=83&filter_model_id=6040&go_filter.x=27&go_filter.y=9. Sewing Parts online also has your manual: http://www.sewingpartsonline.com/viking-sewing-machine-instruction-manuals.aspx
If the bobbins fit your machine and it makes a stitch, then the bobbins you have are fine--what you have is an adjustment problem, to get the stitch balanced. (I have a little tip/hint on adjusting the balance that might help you.) Here are a couple of things to remember when you're adjusting the tension:
1. Use different color threads in the bobbin and on top to make it easier to see
2. Thread your machine with the pressure foot UP. (Otherwise, the thread may not slip into the tension disks like it should.)
3. Adjust the tension with the pressure foot DOWN. (This engages the tension disks.)
4. Move the tension dial only a little bit at a time.
Hope this helps!

Robbie

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I bought a second hand Juki industrial machine , model DDL 5550-7, but struggle to get the tension of the stitches right. where do you set the lower stitches tension


upper tension sets the lower thread tension (upper thread is what you see on the underside of the fabric). Bobbin tension is for the thread you see on the top of the fabric

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1 Answer

Why is my screen showing the 'bobbin threading' icon??


Perhaps the bobbin winding mechanism is stuck. Probably needs service.

Also, check the bobbin and bobbin case. Perhaps there is some thread stuck or it is not securely threaded through the tensioner.

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Shirring fabric?


Drop the bobbin with the elastic in the holder without feeding it through the holder, and enlarge the stitch length,

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