Question about Brother XL-3510 Mechanical Sewing Machine

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BROTHER PROJECT RUNWAY FEED DOGS WON'T COME UP

I HAVE A BRAND NEW BROTHER PROJECT RUNWAY 297 STITCH MACHINE. IT WORKED FINE. I WAS MAKING A SAMPLER OF ALL THE STITCHES, WHEN THE THREAD KNOTTED UP & I COULDN'T GET THE FABRIC OUT (IT WAS PULLED UNDERNEATH). I REMOVED THE PLATE & LIFTED THE "KNOT" OF THREAD OUT WITH TWEASERS. I NOW NOTICE THAT THE FEED DOGS ARE LOWERED & WON'T COME UP. THE FEED DOG LEAVER ON BACK OF MACHINE DOESN'T WORK. IS THIS SOMETHING I CAN FIX?? I REALLY, REALLY HOPE SO. I HAVE TIMELY PROJECTS LINED UP TO FINISH BEFORE NEICE'S WEDDING IN 3 WEEKS. IF I HAVE TO RETURN THE MACHINE, IT WILL CREATE A HARDSHIP. PLEASE HELP! THANKS & GOD BLESS.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 323 Answers

SOURCE: problem while sewing buttonhole with a thick thread

You will need to use a size 18 needle or even better a size 18 top stitch needle. It has a larger eye.Tighten the tension to about an 8 and try it. You may have to lengthen the stitch length to make it sew satisfactorily.. If it won't work on 8 go to 9 and if it still won't work, wrap the thread around the bobbin winder guide (on the left top of the machine) for more tension. It is very hard to sew heavy duty thread on a household machine.
sewman7

Posted on Jul 08, 2008

  • 1027 Answers

SOURCE: bobbin knots up

Clean the carrier area - just a small amount of lint can inhibit the seating of the bobbin's latch, which then jams during sewing.

Posted on Jul 15, 2008

bargainbox
  • 1388 Answers

SOURCE: espree embroidery machine knots up the bobbin thread

If you are using a standard top tension of 4 or 5 and this problem has developed over time, the most likely cause is lint deposited between the tension disks....... if the top tension is loose, or in the tension spring of the bobbin case if the bottom tension is having troubles. In either case you need to remove the lint...... 
Raise the presser foot and with a length of scrap fabric, use an action like flossing your teeth to get between the top tension disks......in extreme cases a probe (old needle) may be used very gently to remove thread and lint, but be VERY careful not to scratch the polished surfaces. 
I have also written a tutorial on tension balance which may be of further assistance, particularly for bobbin tension issues: 

Please TRY the solution BEFORE giving your considered rating.

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 !
 
 
 

www.bargainbox.com.au 

Posted on Dec 11, 2008

  • 1 Answer

SOURCE: thread knotting around bobbin case

hello, I had the exact same problem and could not find the solution until i took my machine to my sewing sensei and i solved my tedious problem. It was actually not a tension problem at all but a threading problem. Make sure you have threaded your bobbin correctly and that when you pull on the bobbin thread that the bobbin turns the right way. (mine must spin anti clockwise to work)  Make sure that when you pull up the bobbin thread using the needle that it is not over the feed dogs connective bar but under it. A big problem when the thread gets caught around the bobbin case wheel is that the thread is looped around the feed dogs once and that causes the thread to get caught around the bobbin wheel. In conclusion, thread the bobbin correctly and read over your instruction book before spending the money to get it fixe in s shop.

Posted on Mar 31, 2009

  • 1 Answer

SOURCE: how to stop bobin thread from knotting

cotton bunching behind material

Posted on May 08, 2010

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1 Answer

Brother 8015 and the feed dogs don't move the material forward. The feed dogs go up and down though. How do I get it to work correctly?


Check that the stitch length is set at #2 or higher so the feed dogs will actually advance the fabric. Verify that the feed dogs have not been dropped, as for darning.

Apr 19, 2017 | Brother Sewing Machines

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I have a new Juki 8700-7H I switched the feed dogs, throat plate & presser foot to the light duty ones but Now the hand wheel is hard to turn & the stitch length won't adjust. What to do? Timing?


Take your presser foot off and the screws out of the plate. Lift the plate slightly and turn your stitch length regulator to the longest stitch that you use. Now set the plate back down on the feed dogs and see if it will sit evenly without binding. Loosen the feed dog screws and see if you can move the feed dogs enough to allow the plate to sit down. Now, retighten the feed dog screws and rotate the hand wheel towards you to see if they will move freely without binding on the plate. If all well, replace your plate screws and then rotate the hand wheel towards you again.

If this doesn't fix it, you may need to purchase a different # feed dog/plate. You might check to make sure that the items you purchased were meant for a Juki. Mostly they will fit different brands but sometimes it is easier to make sure that the combination of feed dog/plate is actually meant for your Juki.

The other thing you can do is to call a mechanic to readjust the machine to make these work (a more expensive option to be sure!). This has NOTHING to do with your timing. If your machine made good stitches before you change the feed dogs/plate. It should make good stitches after you change it. Timing is all to do with stitch formation and not stitch feeding. Good Luck!

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2 Answers

Why does my thread knot on the back when stitching in place?


Several things to try:
Pull thread tails (both bobbin thread and upper thread) straight back and when you lower the presser foot, make sure they are held down straight back. This may or may not be enough to solve the problem, but it is simple to try, and often works. You might want to hold the thread tails while you start sewing.
Use a starter--folded piece of fabric scrap about an inch long--and begin sewing oink middle of starter. Push the fabric you want to see right up to the starter and keep sewing from the starter right onto your project without lifting the presser foot or cutting the thread. When you finish sewing, cut the little piece of thread between the starter and your project.
Before lowering presser foot, use wheel to lower your needle once and then pull up bobbin thread to top surface of your project. Then hold both bobbin and upper thread tails, lower your presser foot, and begin sewing. Release the thread tails after a few stitches.
Hope this helps. Those nasty "thread nests" are a real pain.

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Difficult to use auto needle threading


you thread the machine the normal way, using every thread guide, and if the automatic theader works it will thread the needle,
if the auto threader doesn't work, then it needs to be checked.
also make sure the needle is turned the correct way and inserted correctly into the needle holder.

Mar 06, 2014 | Brother 50-Stitch Limited Edition Project...

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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...

1 Answer

Bobbin is very loose when sewing


try adjusting the top thread tension to one number or letter higher
until the stitch look better
change the needle

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