Question about Sewing Machines
Jammed have cleard all threads iside mahine and bobbin area still is jammed up
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Posted on Jan 02, 2017
SOURCE: bobbin thread getting jammed
Are you making sure that your pressure foot is up when you thread the upper thread? If it isn't then your thread is not seating correctly in the tension disks. It will then be loose and make a birds nest(mess) under what you are trying to sew. The other thing to check is which way you are putting the bobbin into the bobbin case, different machines do it different ways. Some want the thread to come out of the case in the same direction as the slot on the case and some want it to come off in the opposite direction.
Probably when your son broke the needle he knocked it out of time. You will need to have a sewing machine technician to repair that.
Hope this has been helpful for you bothl Liz M
Posted on Aug 08, 2008
Here are some possible solutions:
1) Try a new bobbin, and if you wind your own, make sure it is wound very tightly
2) Take the bobbin case out and make sure there are no stray threads stuck down there, they can wreak havoc! To do this, unscrew your throat plate and lift the bobbin case out. Then use your lint brush that came with the machine, or another small soft brush and give it a thorough cleaning under there.
Hope these help!
Posted on Mar 17, 2009
Loosen and and remove the needle, cut top thread.
You will need to remove the bobbin case, carefully cut threads below and around, then ease the mess out and away....tidy it up carefully later.
Now to tension and etc 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.
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.
Drop-in Bobbin case will look similar to this image with the tension screw in the middle of the metalwork....
...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 !
....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
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 !?!?!)
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
Posted on Aug 19, 2009
If you broke a needle and cannot get it to pick up the thread from the bobbin you need to check your timing. Remove the needle plate and turn the machine over watching the needle, when it is at the bottom of its travel the hook on the shuttle should be right next to or a fraction from the needle. So that as the needle begins to move upward the hook should pass it if it passes to soon it will miss the loop of thread. Check to make sure your needle is installed all the way up in the bar. If your machine is out of time and you are fairly handy, you can retime it. There should be 2 set screws some where behind the shuttle. Loosen them, one loose and one only as loose as need be to turn the shuttle. The needle must have moved upward about 1/16 before the hook is in place to catch the loop. This can be time comsuming, and you will have trial and error. Good luck. P.S. always check for simple stuff before you go for the hard stuff.
Posted on May 25, 2010
SOURCE: Have a brand new Singer
Bent? Replace it!
Always thread needle with presser foot in up position. If presser foot sitting flat against feed dogs when you thread the needle eye, the tension disks will not allow thread to locate itself into tension disks at all, in which case, no matter how much you adjust settings - nothing will do any good UNTIL you thread needle eye with presser foot in up position so tension disks can work.
If you don't think that is problem, then set machine on a straight stitch with straight stitch foot, set tension on 4, stitch with on 4-5, test light to medium woven fabric with size #11 needle to test.
Always clean shuttle and feed dogs for broken thread or lint, and put in new needle before getting panicky.
Posted on Mar 31, 2012
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