Question about Necchi 6015 Mechanical Sewing Machine

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The top thread is to loose and sometimes it skips a stitch

When you pull on the end of the top thread it just pulls out also sometimes, not everytime,the bottom thread is looped on the back of the material.

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  • 36 Answers

Increase the upper thread tension, or loosen the bobbin tension to balance them. Put in a new needle too. Check that the needle is in correctly.

Posted on Nov 19, 2014

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6ya6ya
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Posted on Jan 02, 2017

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  • 12 Answers

SOURCE: my necchi mod.910 i cannot get the machine to do

The Necchi machine has a lever in the bobbin area that lets you move the feed dogs up and down. If you accidentally moved that, the feed dogs are in the down position and won't feed the fabric forward. Make s ure you can feel the feed dogs slightly above the plate. If they aren't move the lever until they do. :)

Posted on Jun 30, 2009

  • 26 Answers

SOURCE: top thread will not pick up the bobbin thread

Timing is off, is is possible that you broke a needle or sewed over a pin. timing needs to be re set by a professional.

Posted on Aug 22, 2009

RickE1
  • 202 Answers

SOURCE: I've got a Necchi 535FA with a bobbin thread that doesn't hook.

Sounds to me like you may have put the needle in backwards. The flat side should be to the back.
Rick

Posted on Aug 29, 2009

bargainbox
  • 1388 Answers

SOURCE: I am hemming blue jeans. The top stitch looks

Please TRY the solution BEFORE giving your considered rating.
Specific detail on bobbin case adjustment (with picture) near halfway down reply, the remainder will help you achieve a balance of top and bottom tensions.

Ensure that all is clean and free of lint and jams, this is the most likely cause....now for tension troubleshooting .......

This solution is for tension problems...if you cannot form any sort of stitch, the issue is quite different, so please let me know if you need a different problem solved.....

It is quite long, but just work through each section in order.

The "knotting up" can reveal a lot. If you have loose threads on one side or the other, the tension on the opposite side will be the culprit.

QUICK SUMMARY FIRST:
Ensure sharp new needle,
Thread guides and Bobbin are Clean & Clear of lint
Set Top Tesion to 4 ....then....
Balance Bobbin to suit.

TOP THREAD TENSION:
If the looping threads are on the underside as you sew, it is the top tension. Top tension ought to be between 4 & 6 (this variation to allow for the different weights of fabric in your projects).

IS YOUR NEEDLE SHARP ?
If you are using a needle that has seen quite a deal of work, or you suspect it may be blunt, change it for a new one !

TOP TENSION & GUIDES:
Make sure that when you thread the machine the presser foot is up so the thread goes between the discs and not to one side, top tension between 4 and 6, and that you have threaded through all the guides, including the last one, usually on the needle arm, just above the needle clamp.

It may be there is lint trapped between the discs, this will keep them slightly apart and reduce the actual tension, sometimes dramatically.

If tensions appear correct, and the thread is definitely in the channel between the discs, but still too loose and looping, try raising presser foot and remove your thread.

Now, with a 2" (50mm) wide strip piece of fabric 8 - 10" (20 - 25cm) moistened with methylated or denatured spirit, gently insert the fabric strip and clean between the discs with a see saw / to and fro action.

In the worst cases, gentle use of a needle to pick & remove the jam may be necessary, but be very gentle and make sure the tension is set at Zero and the presser foot is raised, (to disengage tension plates).... do not gouge or score the plates, they need a polished surface to work correctly.

BOBBIN TENSION:
Far less common, but if the loose threads are on the top, it is bobbin tension that is loose, it too may have lint in the spring and be giving a "false" tension.

I would not recommend fiddling with bobbin tension without good reason, it may end up with missing small screws and spring pieces, however, you can take the needle plate off to clean
the hook race area (where bobbin case sits)

...this is just good housekeeping, my wife does this every time she replaces the bobbin....

just take it out and clean the bobbin case and the fixed metal hook race with a small brush to remove lint. If there is a significant amount of lint, use a vacuum and small brush to get the worst.

Then wipe all this area with a cloth or cotton bud (Q tip) moistened (not soaked) with methylated spirit, especially if there appears to be fine dirty deposits....oil and lint combine to conspire against you.

If it seems likely that you ......really ....do .....actually .....need .....to adjust the bobbin case, first check there is no lint trapped in the metal spring where the thread is tensioned.

TOP LOADER:
Drop-in Bobbin case will look similar to this image with the tension screw in the middle of the metalwork....

4c76dc1.jpg ...the other screw at one end is holding it all together, so beware....it is not a tragedy to undo the whole lot and clean it, but very gingerly and lay the bits out in sequence and orientation, or you risk tearing your hair out !

FRONT LOADER:
....this is a bobbin case from a front loading machine and works in a very similar fashion to the top loader with drop in bobbin, again, if you dismantle it, take care so you can put it all
back properly.
165ca5c.jpg FINISHING UP
GETTING THE BALANCE RIGHT:
When you are certain there's no trapped lint in top tension or bobbin, set the top tension to 4 and the bobbin tension to a point where you just begin to feel resistance.

Try using good quality thread of contrasting colours so you can more easily spot the changes.

Set your zigzag to one width less than maximum (eg. 5 of 6 ...or... 4 of 5 etc) and sew a sample for a few inches and check the result.... adjust the bobbin tension screw very little at
a time, perhaps 1/16 of a turn.

You may find you are playing with this balance for some little while and if you are putting the needleplate on and off each time begin to think it cannot be correct to do this.....BUT....it is,
and eventually, you do get a "feel" for the correct tension and then it happens quite quickly.....as a user you won't be doing it very often unless there is lint built up (or are there small hands at work around the house !?!?!)

OTHER ISSUES:
If you live near the ocean as we do, salt air can play havoc with metalwork inside and out, so to help minimise this, keep a few small packets of dessicant (silica gel) in your machine
case....no case ? then make some sort of cover !

Same applies in any damp or humid environment, keep your machine dry and dust free.

Budget for a proper full service every couple of years (more often if heavily used) and if you don't use your machine for a few years, be aware that old oil will dry out and combining with
dust and form a "clag" like glue (another reason for some sort of cover, even a teatowel !)

FINALLY, A WORD ON THREAD:
If it is worth spending the time, energy and money on making something that you would like to give lasting enjoyment......use quality thread, .......it may seem to cost a little more at the
time, but the results, ease of use and added longevity will be worth the extra, and as a bonus, your tension troubles may be fewer and further between, because there is a more consistent diameter with good thread, and less compensating to be done by your tension plates and less thread breaks

Best Wishes
Martyn
Bargain Box in Australia

Posted on Oct 04, 2009

  • 1116 Answers

SOURCE: underside of seam big loose loopy stitches, top

When you thread the machine always lift the presser foot first.

This opens the tension and allows the thread to properly enter and then guided according to the tension setting.

When you thread a sewing machine with the presser foot down, the tension is closed and the thread cannot be guided though this device as intended and the result is thread not being fed through to the needle as it should be.

It looks like a bobbin issue, but is usually not.

Open the needle plate and bobbin and clean this area and the feed dogs from time to time to remove lint, which also can cause improper stitching.

Posted on Feb 19, 2010

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1 Answer

Where can I get directions for free motion quilting on my triptonic 2030. I am having trouble with the tension and bobbin stitches are awful.


For FMQ, make sure you have a darning or FMQ foot for your machine. You must use this foot because it is shorter than other presser feet so it does not press down on the fabric. You need to be able to move the fabric freely under the presser foot. When threading your machine, ALWAYS RAISE the presser foot so the thread will seat properly in the tension disk. The presser foot is ALWAYS lowered when FMQing or the tension will not work. To set the tension, test on some sample quilt sandwiches made with the same materials you will be quilting. Be sure to use a brand new quilting, microtex, or top stitch needle in your machine. Skipped stitches generally indicate the needle is dull, bent, or otherwise damaged. Test your stitching on the test sandwiches and adjust the top tension until the top and bobbin threads meet in the middle of the fabric (Increasing the top tension pulls the bobbin thread up. Loosening the top tension allows the bobbin thread to pull the top thread down.) Depending on your thread weight, you may need to adjust the bobbin tension, but do that ONLY if you cannot get the top thread to pull the bobbin thread up into the sandwich. (However, remember that if you adjust the bobbin case, it may not work properly when you go back to regular sewing.) I actually bought a separate bobbin case that I have adjusted only for FMQing on my machine and I use it only for that purpose.

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top tension is incorrect
pull the top thread out and there should be resistance to pulling it before you thread the needle

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Okay, you've tried a lot of things. The question is this: is the thread snapping (where abouts in the path), or is it shredding at the needle? Here are a few more:

Remove the top thread, ALWAYS RAISE the presser foot, and rethread from the beginning.
Try different thread--perhaps a polyester thread like Isacord or Aurafil. (AVOID old or bargain bin thread.)
Try a different kind of needle (brand new needle!)--like a top-stitch, microtex, or embroidery. The top stitch needle has a larger scarf that will better protect the thread if shredding is the issue. (I use a special bobbin case that I've increased the tension for Isacord thread and I use the same thread in top and bobbin.) I also decrease the top tension a tad so the bobbin thread will not pull to the top. You may need to install brand-new needles several times on one quilt when they get dull.
Usually an 80 or 90 needle will work for FMQ through a fabric/batting sandwich.
Check that the needle's eye is the appropriate size for the thread (also a cause of shredding thread).
Set the upper tension at the midway point perhaps a bit looser for FMQ (this tension will probably need to be tweaked for your particular machine due to wear and age).
Use an FMQ foot and drop the feed dogs. A Supreme Slider (avlb on the internet) is very helpful in helping move the quilt while doing FMQ.
Work at a moderate but steady pace. I find a faster speed while FMQ gets me into trouble...like spots I can't get out of, overlapping stitches, or outside the quilt edge.

FWIW, I still get some skipped stitches with FMQ. Usually, it happens when I move the fabric too fast, especially around a curve. I have a tendency of speeding up while going around a curve that will cause skipped stitches or eyelashing.

I'm also wondering if there is something to do with the fabric and/or batting you are using...like is it Batik? Batik is very tightly woven and presents some particular challenges. The type of batting could be more dense, making it harder for the needle to penetrate the sandwich. Also, pulling or stretching the fabric can cause skipped stitches.

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Hi, I just need to know how to thread this machine properly or, where can I get a manual please?


Search the internet for:

Make + Model + the word "Manual"

or contact manufacturer support. Most machines are threaded similarly, so even if you can't find a manual for your model, a manual for a model similar to yours will be helpful.

You can also search YouTube videos for threading instructions.

When threading, be sure to always raise the presser foot during the upper threading process. This releases the tension disk and allows the thread to seat properly.

For skipped stitches, try installing a brand new needle.

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My stitching is very loose- I can actually pull on the end and the entire stitching just slides out. How do I fix this?


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It doesn't stitch properly..........the stitch is very loose.


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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.

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