Question about Sewing Machines
I have a great old sewing machine but recently had to clean the shuttle assembly and in order to remove it, I had to remove the 2 screws and I was not supposed to remove. I put it all back together but the bobbin tension to isn't working properly. I think the locking wings may not be installed correctly but not sure. Can you give me directions on how to fix this. I know mine is an old machine but I am happy with it.
Thank you, Dorrell
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Posted on Jan 02, 2017
SOURCE: Bobbin thread breaks
Things to check for thread breakage (top or bottom)
1. Good thread in the machine - not hand thread, cheap thread, quilting thread.
2. A burr on the hook - a small nick on the hook can grab and tear threads, however this usually causes the top thread to tear, not the bottom
3. Make sure a new needle is in the machine - one made for the material you are sewing
4. The bobbin must be installed to rotate in the correct direction in your bobbin case
5. And I'll say it anyway - tensions - the primary cause of thread breaking - Remember, there are TWO tensions in a sewing machine, top and bottom. Also, the thread you see on the bottom of the stitch is the top thread, and vice-versa.
Posted on Dec 04, 2007
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.
Posted on Mar 29, 2008
SOURCE: I have a Brother SE-270D
its the problem of the timing belt in your machine its extra loosen or extra tightned or is slightly came out of its position or finally broken.
as the machine is proper just missing the proper speed as it should be .
it is running continuosly as you stated.
check the timing belt and make it proper if its worn out and needs replacement this is how its done
There is an adjusting screw on the right side of the machine head. Follow the motor bracket to the machine head and loosen that big old screw or bolt which will raise or lower the motor giving you slack to remove or replace the belt.
feel free for further queries
Posted on Sep 19, 2008
Viking bobbin case tension adjustment:
When the bobbin runs out, sometimes it bends the bobbin case tension spring. Then tension is too light. Take the bobbin case out of the machine. Tie the loose bobbin thread to the Designer 1 needle plate. Insert the bobbin in the bobbin case. Here’s the tricky part set the bobbin case on the table as if it’s in the machine (Bobbin is visible and sitting horizontal to table top) threaded as if sewing and loose end tied to needle plate (that is removed from the machine). Lift the bobbin case off the table rotate it so that the flat side of the bobbin are vertical to the table and no longer horizontal. Have the bobbin case oriented so that the thread coming out of the bobbin case sprint (slot area where it is put for sewing) is at the top. Lift it high enough that the needle plate is lifted from the table. It should not release thread unless you shake it gently and then a very small amount of thread. The needle plate is the exact weight resistance your bobbin case should have on the thread.
Posted on Mar 19, 2009
Putting this back together is a thirty second job if you have done it a hundred times. If you have never done it but have mechanical aptitude, it may be a challenge.
Whatever you do, don't bend the check spring out of shape!
Below is a link to the Singer site with the schematic for reassembly. When placing the check spring back in place, place it in about the 6 o'clock position with no tension so that it has a fair amount of check before pulling it up in place..
When setting the tension, at a setting of "1" the tension disks should just be slightly compressing the beehive spring. "0" is almost no tension at all. Normal sewing is 5.
Get all of the parts together and push in the cup with the numbers while screwing on the knurled nut taking care to get the pin in one of the holes.
Posted on Jun 19, 2009
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