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Sewing machine tension is broken into two parts, Bobbin Tension and Upper Thread Tension. The Bobbin Tension is normally only set once or twice if you generally use the same types of thread, but the Upper Tension is constantly adjusted, because that is dependent more on the material that the thread.
Threading it is a whole different issue. Google
make model manual
or refer to the manual that came with it.
Test top thread tension. Remove top thread, set tension selector to 4, presser foot up, and needle up. Thread machine up to needle eye. Threading needle eye won't be necessary.
Now make a long slow steady pull of top thread. Thread should advance smoothly without snagging or sudden change of tension. Next lower the presser foot and repeat with long slow steady pull of top thread. Again thread should advance smoothly without sudden change in tension. Note the difference of no tension when foot up and selected tension 4 with foot down.
If you find there is no difference between foot up (no tension) and foot down (selected tension) then tension disc are not working or thread is not between tension discs.
Hand operate the machine while looking at the lower bobbin. Maybe there is a rough spot that is snagging the thread as it tries to loop around. If so, then nail file it until it is smooth again.
try the tension on 3-5 & see if thats any better,,
you might also check the needle to see if it's damaged or has a burr
it could be a belt going bad
also make sure the top thread is not caught on anything like the spool holder pin or tension disk
check to make sure the thread pulls easily around the tension disk
try rethreading the top thread
sometime the needle & thread are not compatable--try this & see if it works for you
Cut 6-8 inch piece of thread of the spool you are going to use for your project
Take the needle you are going to use for the project
& insert the thread thru the eye of the needle
& lift one end of the thread to a 45 degree angle
& if the needle is the right size for the thread it will slide down the thread
But if the needle hangs on the thread you need one size larger needle for the thread
Well, the first thing is check the thread tension. (the part that you thread it through that has a knob on it). Grab right after the tension knob and pull gently. if the thread will not pull through easily, adjust the tension to a lower setting, pull out the thread, and try again until it will pull through fairly easily.
From your description it appears that you have tried tension settings on the upper tension control adjustment knob without success.
Check that the bobin tension is adjusted correctly by taking out the bobin complete with the spool.
Pull the cotton thread and it should be a smooth light pressure if the tension is correct. If it is tight to pull or pulls freely then adjust the tension screw which is found on the outside of the bobbin. The screw is very small and requires a minature size screwdriver. The adjustment will only be a slight turn of the screw one way or the other to obtain the correct tension(depending if it was loose or tight).
Once this is set reinstall the bobin and tread up the machine, hopefully with the upper tension set at approx."2" the machine will sew correctly.
First, give Mom all your Reese's Peanut Butter Cups.
Then, be sure the bobbin-winding function is not still engaged. Check it again, since on some machines, the mechanism has to be backed off until you hear a click, or until a light turns off. If that's done, check the tension on your top thread, since that's easier, then on your bobbin thread.
If the bobbin didn't get wound evenly (Like if you're hurrying) that will mess up its ability to let the thread flow out, so see if the thread on the bobbin looks as smooth as a new spool of thread.
I hope you got your costume together & had fun aside for that frustration. :^)
The Designer 1 usually has a very nice free motion stitch using the V1 stitch. It should pull only slightly to the rear so that no bobbin thread shows while doing free motion embroidery. Upper tension may be increased for balanced stitch when stippling. If your machine doesn't sew with the regular stitches with the teeth up, and it's properly threaded, the thread must be dragging on the bobbin case somewhere. First get the machine sewing a straight line, then try V1 again.
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