Question about Singer 57815 Mechanical Sewing Machine

2 Answers

Help! Tension Problems

The tension on my 57815 machine is not working right. The straight stitch under the fabric looks fine but the stitch on top is looping. The stitch on top and bottom are not balanced. I've adjusted the tension many times. I've increased and decreased the tension and the results are still the same. I've notice while pulling on the thread from the bobbin in it's case seems loose like no tension (I don't know if it's suppose to have tension). I've cleaned and oiled my machine 3 separate times in the last month and the problem remains the same. I've had this machine for at least 5 years, excellent performance and no problems what so ever...until a month ago. What's wrong with my machine?

Thanks!

Flo

Posted by on

  • catt_pill Feb 12, 2009

    i have the same problem the top side looks good but the bottom side is all bunch & looped up. i have done the same thing to but i stil have the same problem too

  • R.A. Ellis
    R.A. Ellis Mar 25, 2017

    See the resolutions provided.

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2 Answers

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  • Singer Master
  • 8,899 Answers

Here's a quick resolution to try:

Remove the thread from the machine.
Install a brand new needle.
ALWAYS RAISE the presser foot and rethread the top thread. Verify the thread path is correct.
Load and thread the bobbin case (yes, there is a tension unit on a bobbin case so it must be threaded correctly! Consult your manual.)
Set the top tension to the midway point. (May need to tweak this later to get the tension just right.)

Re-test your machine. Problem fixed? If so, the reason is the top thread was not seated completely in the top tension. ALWAYS RAISE the presser foot when threading! OR, the bobbin thread was not threaded properly through the tension.

FWIW, thread problems showing on top of the fabric are a result of the bobbin. Thread problems showing under the fabric are a result of the top thread.

http://www.threadsmagazine.com/item/4302/understanding-thread-tension/page/all

Posted on Mar 25, 2017

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  • Singer Master
  • 621 Answers

Looping on the top means there is no tension on bottom. The bobbin thread generally rotates counter clockwise. The thread must get under the tension spring. The spring must be adjusted equal to the top tension. This you will have to play with to tighten or loosen as needed. When you sew in a zigzag you might want to loosen the top tension slightly. On a regular basis remove the bobbin case and clean with a qtip. On the race put one drop of sewing machine oil. Clean the bobbin case and replace.

Posted on Mar 25, 2017

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Posted on Jan 02, 2017

bargainbox
  • 1388 Answers

SOURCE: bobbin tension

This is an issue of your upper thread tension, so take a look at this generic tension solution

If you are in a pickle with your bobbin case, check top tension and bobbin case are free of lint, reset the top tension to 4, and adjust the bobbin tension to suit......some more detail on how to do that, is here

Bargain Box

Posted on Jan 30, 2008

bargainbox
  • 1388 Answers

SOURCE: how do I know which tension to adjust?

Are you sure that a stitch is being created each time, or is it missing some....

On a scrap, sew a zigzag to ensure that at least the stitches are being formed, if not, or missing some, look to timing.

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

If you want 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 24, 2008

bargainbox
  • 1388 Answers

SOURCE: My Janome my excel 23x

Ensure that all is clean and free of lint jams....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 Tension 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 !

If you want 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 Apr 25, 2008

  • 6 Answers

SOURCE: Singer CG 550 Top thread keeps wraping around the bobbin and jam

Have you checked the top thread is correctly placed in the spring of the bobbin case?

Posted on Feb 21, 2009

sburtenshaw1
  • 5 Answers

SOURCE: Shirring fabric?

When putting your shirring elastic on the bobbin, don't thread the elastic through the bobbin holder,adjust the stitch length longer,and loosen the tension, other wise if you want to put it through the bobbin holder you have to loosen the tension screw on the bobbin holder, and then you have to adjust it back for ordinary sewing,

Posted on Feb 13, 2010

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1 Answer

Having problems with the tention of both threading


Tension is a common problem for new and even intermediate sewists. Testing is about the best way to figure out what works for your machine.

Be sure you are using a brand new needle and that it is installed correctly (flat side facing the proper direction).

ALWAYS RAISE the presser foot when threading the upper thread. This releases the tension disk so the thread will seat completely. Check the thread path and verify that it is correct. Missing one thread guide will create havoc!

Check that the bobbin thread is wound smoothly and that there are no thread ends sticking out of the bobbin anywhere. The bobbin must turn in a specific direction when in the bobbin case and the bobbin tension needs to be threaded correctly. (For this, you need to consult your owner's manual.)

Set the upper tension to the mid-way point. This is the default setting although it will most likely require some tweaking because all machines are just a bit different. Tweaking is a very common necessity as different threads and fabrics will affect the tension.

Set the straight stitch length to somewhere around 10 stitches per inch.

Use two pieces of medium weight fabric, like 100% cotton. Bring the bobbin thread to the top of the fabric before beginning to stitch.

https://www.youtube.com/watch?v=KDERq4I7l-Q


http://ohyoucraftygal.blogspot.com/2013/10/sewing-lesson-10-how-to-fix-tension-on.html

Understanding Thread Tension Threads

Test your stitch. The ideal tension is when both the top thread and bobbin thread meet in the middle of the fabric.

If the top thread is looping or showing under the fabric and the bobbin thread appears to be running in a straight line, the top tension is too loose.

If the bobbin thread is showing on the top of the fabric or the upper thread is running in a straight line, the upper tension is too tight.

Keep adjusting until it looks like the pictures in the web links above. Remember, when you change thread or fabric weights/types, etc., you will probably need to re-test the tension and adjust.

One more suggestion: use good quality thread. AVOID old or bargain bin threads. They may save you money but will cost a lot in frustration.

..

Nov 07, 2016 | Sewing Machines

1 Answer

When i run a straight stitch, the top of the fabric looks well sewn; the thread on the bottom of the fabric, however, bunches up-it looks nothing like the top stitch.


Is it really the bobbin thread that is bunching under the fabric, or is it really the top thread that is creating loops and "bird nests" under the fabric???

Rethread your upper thread. BEFORE you thread the upper thread, be sure to RAISE the presser foot. This releases the upper thread tension disks so the thread is firmly seated in the tension disk.

If it continues to be a problem, then the upper tension needs to be tightened. Adjust slightly, then test. Repeat until the upper and lower threads meet in the middle of the fabric.

...

Sep 24, 2015 | Sewing Machines

2 Answers

How to adjust the bobbin tension.


According to the manual, you should not need to adjust the bobbin tension (and I located other sites which stated the bobbin tension cannot be adjusted on this machine). Apparently, all the tension adjustment is accomplished through the upper thread::
"EN Thread Tension Upper thread tension Basic thread tension setting: "4". (1) To increase the tension, turn the dial to the next number up. To reduce the tension, turn the dial to the next number down. A. Normal thread tension for straight stitch sewing. B. Thread tension too loose for straight stitch sewing. Turn dial to higher number. C. Thread tension too tight for straight stitch sewing. Turn dial to lower number. D. Normal thread tension for zig zag and decorative sewing. Correct thread tension is when a small amount of the upper thread appears on the bottom side of fabric. Lower thread tension The bobbin tension has been set correctly at the factory, so you do not need to adjust it. Please note: - Proper tension setting is important for strong seams. - There is no single tension setting appropriate for all stitch functions, thread or fabric. - A balanced tension (identical stitches both top and bottom) is usually only desirable for straight stitch construction sewing. - 90% of all sewing will be between "3" and "5". - For zig zag and decorative sewing stitch functions, thread tension should generally be less than for straight stitch sewing. - For all decorative sewing you will always obtain a nicer stitch and less fabric puckering when the upper thread appears on the bottom side of your fabric. 1 A B C 22 D"

Doing further research, I found this statement on a machine review site:
"After reading reviews online from where I've bought my drop-in bobbin machines, I think many of the negative reviews are due to the bobbin thread coming up without laying across the bobbin. It can cause the stitches to look very sloppy and no amount of tension adjusting can fix the stitches."

There are several machine review sites wherein 4423 owners stated their disappointment in the 4423's performance. Some said the machine failed almost immediately and others said the machines developed problems when sewing heavy fabric.

Apr 26, 2015 | Singer 4423 Sewing Machine

1 Answer

Bottom thread seems too tight!!! Help!!!


If the bottom thread is tight there should also be loops on top and this means that the upper tension is too tight.
Get out your manual (http://www.singerco.com/uploads/download/1198_8763-efs.pdf) and turn to page 24. Under "ADJUSTING TOP THREAD TENSION" it tells you that if you're having thread tension issues, change the tension control dial on the top of your machine from auto. It also shows you a diagram with your problem illustrated on the right side of the page. The bobbin tension is set at the factory, so all tension problems can be solved with top tension adjustment. Set it manually and if it loops on top, loosen the tension a little. Test again. Repeat until loops are gone.
Using different colours on top and bobbin and a contrasting fabric (e.g. black top, white bottom, light blue fabric) means you can easily see what's happening. A perfect stitch is when you see exactly the same stitch pattern on both sides of the fabric. On top, the bobbin thread colour appears between stitches as a tiny dot and on the bottom, you see the top thread dot between stitches.
If it's impossible to get the tension right, take it to a technician, because it's a sign that the hook timing needs attention.

Apr 21, 2015 | Singer 8763 Curvy

1 Answer

When i am sewing the stiches on top, but its at the bottom


change the needle --make sure it's the right one for the fabric
being sewed

rethread the machine top and bobbin

make sure the bobbin is turned the right way in the bobbin case

also check the top thread tension, if the stitches under the fabric
are loose adjust the top thread tension one number or letter higher
at a time and sew on a scrap piece of fabric till the stitches look
normal

here is a free manual
http://www.singerco.com/uploads/download/696_5417c.pdf

Jan 07, 2013 | Singer 5417 Mechanical Sewing Machine

1 Answer

I have a singer 7258 that I can not get the tension to loosen up on. The top stitch is straight across and adjusting dial doesn't help.


Hello

Adjust the tension

Load your sewing machine with one color on top, threaded through the needle. Load the second color thread into the bobbin and thread.


Fold the scrap fabric in half, and sew a straight stitch at least 2 inches long. Look closely at the seam. If you see loops of the bottom color thread on top of the fabric, proceed to Step 3. If you see loops of the top color thread on the bottom of the fabric, proceed to step 4.


Loosen the top tension. Since the top tension is so tight, it is pulling the bottom thread up through the fabric. Loosen the top tension by turning the numbered knob on the front of the sewing machine counterclockwise by one number.


Tighten the top tension. Since the top tension is too loose, the bottom thread is pulling the top thread down through the fabric. Tighten the top tension by turning the numbered knob on the front of the sewing machine clockwise by one number.


Sew a straight stitch 3 inches in length. Check the stitching. It is perfect if the threads meet in the middle, and you can only see the top thread on top and the bottom thread on bottom. If it still needs adjusting, go back to step 2 to repeat the needed steps.


Using two different colored threads makes it easier for you to see which thread is being pulled.

Always use proper precautions when working with electrical machines.

Aug 01, 2011 | Singer Sewing Machines

2 Answers

Hi I am having problems with the top tension on my Singer 2662. I am following the instruction manual but nothing I seem to try works. Or it works for a while and then the next time I sew I have problems...


I would suggest that you revisit the threading up in your manual and double check that the top thread is under tension.

However, if the stitiching on top of the fabric is wonky, this is your bottom tension too loose, and if stitching on the the underside of the fabric is loose, its the top tension causing it.

Quite often bobbin winding can be the cause of bad stitching so pull out the manual and wind a bobbin carefully following the instructions, making sure that the thread is under gentle tension as it winds. What you don't want is for the thread spool to bounce around as it unwinds onto the bobbin as this gives uneven tension of the thread and when you then stitch a seam, the thread relaxes in different amounts causing puckering.

So wind at 3/4 speed, and gently guide the thread onto the bobbin so it fills evenly across the whole core. And ensure there is tension on via a tension guide if your machine has one. If not, then place the curved handle of your scissors onto the top of the thread spool and hold it there as you wind, which holds the spool down and keeps the thread coming off it smoothly.

Always raise the pressure foot when you thread the machine so the top thread goes into tension fully. And new needle for each new sewing job is really important, make sure it is the right size and type of needle for the fabric you are sewing. if you aren't sure what size is right www.sewing.about.com has great tips and general machine info, plus needle guides.

Jun 11, 2011 | Singer 2662

1 Answer

Tension problem using zigzag stitch


Most likely the fabric is too light weight to sustain the thread tension using a wide zig-zag stitch. Tunneling will occur in this case.

Loosening the tension (top & bobbin) could also be beneficial.

Sometimes the machine has a special foot (sometimes called overlock) that will help. However, using something to add more body to the fabric, like a wash-away or tear-away fabric stabilizer to the seam or even adding paper will help limit tunneling. Sometimes heavy starch applied to the seamline before stitching will be helpful.

tunneling when zigzagging Threads Magazine Gatherings Forum Sewing...

zigzag stitch troubleshoot

May 08, 2017 | Kenmore 19233 Computerized Sewing Machine

1 Answer

Can't get a neat straight and stretch stitch underneath


Sounds like a bottom tension problem, to be sure I would have to have a look, I would suggest you have it looked at. Not sure about the materials you are sewing and have serious doubts as to whether the machine you are using is up for the job and will give you a satisfactory finish. It is possible a "walking foot" machine is what you need.

Mar 25, 2008 | Bernina Activa 130

3 Answers

BOTTOM STITCH IS ALWAYS LOOSE


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.

Mar 13, 2008 | Sewing Machines

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