Question about Brother LS-1217 Mechanical Sewing Machine

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Stitch length on brother vx790 not working

Same length on any setting

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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bargainbox
  • 1388 Answers

SOURCE: stitching looping

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.....the question you pose could have 2 meanings....this reply is for looping thread.

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....

cc3f045.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.

1eade63.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. ie a different colour top and bottom just for the test.

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 consistant diameter with good thread, and less compensating to be done by your tension plates and less thread breaks !

If you need any more help with this, just post back here, or, drop a line through the "Contact Us" page at www.bargainbox.com.au

Posted on Feb 23, 2008

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  • 69 Answers

SOURCE: Brother vx790, my stitches are reversed ( top is on botom & bottom is on top )

It sounds like your tensions are out of adjustment. Your upper tension should be between 3-5 and make sure the tension in your bobbin case is not too tight as well. Pull the thread through the bobbin case and make sure it comes out with a small amount of resistance. If no resistance, tighten the tension just a bit, if too much resistance, loosen it just a small bit at a time.

Posted on Feb 12, 2009

  • 20 Answers

SOURCE: stitch lendth isnt working

Are you sure that the feed dogs have not been dropped to enable embroidery, and not returned to the normal sew position, consult the handbook for instructions.

Posted on Oct 13, 2009

  • 1116 Answers

SOURCE: My husband was given a used Brother Sewing Machine

You can get a user's manual and a service manual from this site - http://www.sewusa.com/Sewing_Machine_Manuals/Brother_Manuals/Brother_Service_Manuals/VX-940-950_Service_Manual.htm

The knob could be broken or just gunked up - try a hair dryer to soften up the years of lubrication and dust to see if the knob is moving because it cannot lock in at the length selected - like sliding on ice.

Posted on Feb 21, 2010

  • 1788 Answers

SOURCE: I have just bought a

i would use ball point needles and check my manual for what they suggest for stitching. Sometimes the shell stitch is great and other times I use the straight stretch. If, you look at your manual you will see a chart as to what the best size needle and thread for your project. Don't be afraid to experiment, just relax and enjoy. All it costs is a little scrap material and you can teach yourself so much. Go online for support if you need it at Brother-usa.com and they have frequently asked questions there, too.

Posted on Sep 28, 2010

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1 Answer

How can I reset the stitch length?


Try resetting it according to the manual on page 56. First turn the machine off, unplug it and wait 2 - 3 minutes and re-plug it and turn it back on and reset the stitch length - the screen for the stitch setting will appear, the down arrow makes the stitch shorter, and up arrow makes the stitch longer. If that don't work you might have to contact sewing machine serviceman, or you might can call Brothers and they can help troubleshoot the problem.

Feb 22, 2016 | Brother PC-420

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My brother cs 8072 stitch length not working.


Are the feed dogs fully up and clean?
With the unthreaded machine transport a piece of paper with the feed dogs?
Is there a presser foot pressure adjustment? -- if so, it may need tweaking.
Do you have a tangle of thread under the needle plate (= throat plate) or hook and bobbin case area?
Do you have the stitch length set to greater than 0?

Jun 26, 2014 | Brother CS-8072 Computerized Sewing...

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My brother pc-2800 stitch length button won't light up so I can't adjust the stitch length. Is it worth having fixed?


you might call a repair shop and tell them the problem and ask
them how much it would cost to have the machine repaired that
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Feb 09, 2013 | Brother Sewing Machines

1 Answer

Does anyone know how to set a Brother sewing machine for a straight low tension stitch?


Stitch length on 2.5 and stitch width on zero, and just loosen the top tension by a half number if you want the tension looser. If your machine has a stitch selector knob, make sure it is set to the straight stitch setting.

Oct 10, 2011 | Brother XL-2600I

1 Answer

I have the Brother 2600i sewing machine and am having problems with the blind hem stitch being too loose on the top & bottom. I currently have it on the 2 setting for stitch length, 4 for stitch width...


I would put my tension at 3, length at 2 and 3-5 for width. Make sure that your machine is actually on the blind hem stitch pattern, If this does not work, call Brother at 1-877-276-8437 and have them tell you where to take it, if they cannot guide you through it. I hope that you are under warranty, or that you can return it, if there is a mechanical problem.

Dec 28, 2010 | Brother XL-2600I

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Treading sewing machine


these are the best setting i have found for sewing through thick materials, specifically leather and vinyl:
top tension- between 8 and 9 bottom tension- between 4 and 5 stitch length between 3 and 4 stitch type: 2
that is just what works best for me, i have a brother xl-2600i

Jun 23, 2009 | Brother XL-2600

1 Answer

Brother vx790, my stitches are reversed ( top is on botom & bottom is on top )


It sounds like your tensions are out of adjustment. Your upper tension should be between 3-5 and make sure the tension in your bobbin case is not too tight as well. Pull the thread through the bobbin case and make sure it comes out with a small amount of resistance. If no resistance, tighten the tension just a bit, if too much resistance, loosen it just a small bit at a time.

Sep 10, 2008 | Brother LS-1217 Mechanical Sewing Machine

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