Question about Brother Sewing Machines

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How is the upper thread tension dial assembled. I got a kc 8846 from grandmother and I think the tension dial is missing pieces. Could someone send good pictures for identifying parts. Thanks

There is the knob with numbers then a plastic screw on disc then a small round metal saucer that mounts the shaft. After that a bigger saucer then the biggest saucer shaped disc with the cut outs in it and beneath that the spring hook the thread pulls up when threaded. When sewing the upper thread is breaking or skips stitches. Thanks

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Not knowing where you are this website might not help .but here it is anyway http://pages.sewing-machine-manuals.com/173/InventoryPage/1797262/1.html

Posted on Jan 30, 2015

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Posted on Jan 02, 2017

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1 Answer

What is wrong when the underside of embroidery has bunched thread


Hello

The bunched-up thread on the underside is the needle thread. Check that the upper thread is threaded correctly, passing through all the required thread guides and that the thread is securely lodged in the tension assembly ... there should be reasonable tension when upper thread being pulled by hand.
Also check that:
- there are no 'dust bunnies' or a piece of thread hiding in the tension assembly, and that
- the needle is inserted correctly and that it is a system 130/705H Embroidery needle.

Happy Stitching
Sewingirl/

Apr 23, 2017 | Sewing Machines

1 Answer

How do I find out if the cleaning, adjusting, and oiling I've done to my sewing machine have caused the tension dial to not respond at all?


Sometimes gunk, lint, thread pieces accumulate in the tension disk. To clean it:

1. remove the upper thread
2. raise the presser foot
3. loosen the upper tension all the way
4. moisten a length of pearl cotton with rubbing alcohol (squeeze out excess alcohol)
5. gently pull the pearl cotton down through the tension disk several times

Reset the tension disk to the midway point between high & low numbers and rethread with regular thread.

ALWAYS, before you thread the upper thread, RAISE the presser foot so the thread will seat properly in the tension disk.

...

Apr 07, 2016 | Kenmore 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

3 Answers

My Singer XL 6000 upper thread is too tight and keeps breaking, when the presser foot is up the upper thread is loose, but when the presser foot is lowered the threah gets too tight, what I notice is that...


You need to loosen the tension on the machine. There is a dial that has numbers on it. The higher the dial is set, the tighter the tension is. Turn the dial to the left one number. Then try it. Do it over and over. Do not turn the dial all the way down or you will mess up your machine. Do it slowly, one number at a time and try the machine between dials.

Dec 22, 2014 | Singer Sewing Machines

1 Answer

Upper tension won't adjust


You can try "flossing" the tension with a piece of unwaxed dental floss, a dollar bill, or a piece of fabric to try to clean anything that is trapped between the tension discs loose. Be sure the pressure foot it up and the tension knob turned to "0" before trying this. Then dial back the tension to your normal setting and try re-threading your machine. If this doesn't work and you know how to remove and reinstall your tension assembly, that could be the next step. The tension discs do wear out over time, but sometimes it is just some lint that needs to be cleaned out.

Chris

Mar 26, 2014 | Kenmore Sewing Machines

1 Answer

The thread tensioner doesn't slacken off


fit the discs with curved faces together and beehive spring, have someone pull a piece of thread between the discs as you apply pressure on the spring. obviously it should be harder to pull the thread the more pressure there is on the spring. If the tensioner works this way then you have an assembly problem. consult your manual or send me details, make, model # of your machine.

Jan 02, 2014 | Sewing Machines

1 Answer

My Memory Craft 3500 suddenly seems to have no tension in the upper thread. Stitching looks fine on the top, but there are big thread loops on the bottom. Changing the upper tension dial doesn't seem to...


Hello,

It could be a wad of lint in the upper tensioner disks keeping the disks apart. I have also seen on older machines where the thread has actually cut a groove into the disks. If you can dis-assemble the tensioner, clean and inspect. Be very careful to memorize the part order in which you remove the parts, this will help when re-assembling it.

Good Luck,
Chris
glfi.com

Feb 10, 2011 | Janome Sewing Machines

1 Answer

Need online manual


If you are having problems with the thread on the underside of the fabric, that is usually the upper tension. Check to make sure that it is threaded correctly. If so, make sure that the thread is inside the tension disc and that there are no pieces of thread caught in the tension. If it is threaded and there are no thread caught up in the tension assembly, adjust your tension dial to a slightly higher number. Do this until you get a good stitch.

Feb 09, 2009 | Kenmore Sewing Machines

1 Answer

Tension disc assembly - sewing machine


Sorry but there is no way to explain how to re-assemble the tension mech on here, you need to be actually shown or have someone do it for you. It is very fiddly and needs to be exact, can I suggest you get in touch with a sewing machine tech who(at cost) will sort you out.
Sorry I cannot be of any further help.
Rob

Mar 24, 2008 | Sewing Machines

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