Question about Singer Deluxe 57820 Mechanical Sewing Machine
I am not sure if the tension or the threading of the machine is correct, but thread is gathering around the bubbing area and it is not sewing with the normal spead.
SOURCE: thread gathering
I just posted this elsewhere, but it seems relevant to your question as well:
You need to increase your top tension.
Immediately after threading the machine, but before you thread the needle, with the presser foot in the up position, grab the thread at the bottom and top, and "floss" it a few times. This will ensure that the thread works its way into the tension assemblies.
Then raise your tension to about 4.5, drop the presser foot, and you should be good to go.
Posted on Aug 27, 2008
SOURCE: I have a Janome 2039.
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
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 ! www.bargainbox.com.au
Posted on Nov 30, 2008
Here are some solutions for you to try.
* Re-thread your machine, it may be threaded incorrectly.
* Raise your feed dogs if your machine has this feature.
* When you start to sew a seam, hold onto the upper and bobbin thread tails. Hold them back and out of the way as you sew your first couple of stitches. This will keep them from getting caught in your machine.
I hope this helps.
Posted on Sep 22, 2009
SOURCE: thread jams
Hi! I've had this happen to me many times and it is so very frustrating! First, take the bobbin out and also the bobbin assembly and clean the entire area of all lint, fuzz, little bits of thread....get it as clean as you can. Take out the upper thread too. Clean and oil. Change the needle. Make sure you're using the appropriate size and type of needle and thread for the fabric. Take off the needle plate and look for any nicks or scratches. If you've got them, you can get emery cloth from a good hardware store (often in the plumbing department) and polish them out (or mostly out).
Rethread the machine, carefully following the instruction manual. Use your basic, normal settings. Using a scrap of the fabric you're trying to gather, sew a seam and see if everything works ok. You may need to hold the top and bobbin thread firmly behind the needle as you sew the first few stitches (I find this little trick helps a lot to prevent birdsnests).
To gather, sew three parallel lines of long, basting stitches (you really don't need a special foot or special settings other than to make the stitch a long one). Don't backstitch, reverse, or lockstitch either end, and leave the thread long when you cut it. Pull the three bobbin threads and the fabric with gather nicely along them.
Something to keep in mind--if you're trying to gather very sheer fabric on a zigzag machine, you may need to replace the throat plate with the zigzag hole for a throat plate with a single, small hole for a straight stitch. I've run into this situation before, and ended up using one of my antique straight-stitch only machines to do the gathering.
If you don't have a throat plate with the single hole, you might try some light weight interfacing to give some density to the sheet fabric.
Hope this helps!
Posted on Feb 01, 2010
This is caused by a bent needle. Try a different needle that is straight. When they get the slightest bed in them the stitching will end on the back side only
Posted on Apr 15, 2010
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