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Thread: Not sewing

  1. #1
    Senior Member Queenbarbiej's Avatar
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    Thumbs up Not sewing

    My Federal is not sewing. I have narrowed it down to the bar in front of the spring tension discs. It would sew for a couple of stitches and the thread is getting tangle around the bar (high lighted by yellow arrow). How do I correct this? Name:  TENSION BAR.jpg
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Size:  1.34 MB The way I thread the machine is the the top notch, between the tension discs, behind the bar (yellow arrow), around the spring, then the lever, through the loop and into the needle from left to right. Please help.

  2. #2
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    Hi
    It's hard to tell without having hands on the machine. This could be a problem with the thread rather than the machine. If you happen to be using a large spool of cross wound thread this could make the thread feed erratic putting loops in the thread which will tangle. Have you had this machine sewing well in the past? You could do a test with another thread. If you want to use large spools of cross wound thread on a vintage machine some sort of thread stand can help.
    Good luck!

  3. #3
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    Go over the bar, thru the spring, then the lever, there are also thread guides after that ,thread thru needle left to right. Make sure that your bobbin is turning in the right direction.

  4. #4
    Senior Member margaret53's Avatar
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    I think I have this same Federal machine. I come down from the top, through the tension discs, then the spring. Then I tuck the thread behind the bar (toward the tension discs) before threading through the take up lever. Maybe this is not correct but it sews like a charm for me. I love this machine!

  5. #5
    Super Member dublb's Avatar
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    I see in the pict that your thread isn't in the spring. Ya need to catch the spring before ya go behind the bar. See if that helps.
    Bev
    My initials are BB, so dublb is double B.

  6. #6
    Super Member OurWorkbench's Avatar
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    Do you still have the needle with the flat part of the needle to the left, like you mentioned in https://www.quiltingboard.com/vintag...w-t304048.html The needle flat should be on the right and thread the needle from left to right.

    After threading around the discs over the bar, through the check spring and through the take-up lever (back to front), there is a thread guide on the face plate that the thread needs to go through before the thread guide on the needle clamp.

    Name:  TENSION BAR-edit.jpg
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Size:  121.8 KB

    Did you increase the pressure on the presser bar?

    Once you have the machine threaded, lift the presser foot and and pull on the thread, it should pull easily. Lower the presser foot. pull on the thread. It should just barely bend the needle as you pull on the thread. If you really have to tug, or the needle bends a great deal the tension needs to be loosened. If the thread pulls as easily as when the presser foot is lifted, you need to increase the tension.

    Hope this helps.


    Janey - Neat people never make the exciting discoveries I do.
    Janey & John

  7. #7
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    Muv posted pictures on this a few years a go too, showing all the details very well.
    https://www.quiltingboard.com/vintag...ml#post6137169
    Last edited by QuiltnNan; 04-13-2019 at 08:29 AM. Reason: replace copyright pic with link directly to the referenced pic

  8. #8
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    Drawings can be helpful too. Sometimes the tension assembly needs to come off and be cleaned, I think they oil the lever or bar on top of the tensioner.
    Last edited by QuiltnNan; 04-13-2019 at 08:30 AM. Reason: remove copyright pic, should have used link

  9. #9
    Super Member OurWorkbench's Avatar
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    This is much like the Early 115s and 15-30 machines, where the thread goes over the bar, before the check spring.
    I was just reading the manual for the 115 and was reminded that the tension on the needle thread should only be regulated when the presser foot is down.

    If the tension on the needle adjusted correctly and it still is breaking thread, the next step is to make sure the bobbin is threaded correctly. and double check the tension with the drop test.


    Janey - Neat people never make the exciting discoveries I do.
    Janey & John

  10. #10
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    Bev is right!

  11. #11
    Super Member OurWorkbench's Avatar
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    If you put the thread through the check spring before the bar, it will bend the check spring under bar and possibly break. Notice the distance and shape of the check spring at https://www.quiltingboard.com/vintag...ml#post6137169 Also note this is a 15-80 not a 15-91 as they are threaded differently from each other. The image at the link is like the Federal!

    Janey - Neat people never make the exciting discoveries I do.
    Janey & John

  12. #12
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    Do you have a manual?
    Does the thread go through and grab the metal wire tension? And then up into the silver arm with a hole in it?

  13. #13
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    Name:  D0BCDCC8-2ED2-4A40-9907-C2730E77D92B.jpeg
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Size:  1.60 MBName:  4E8F7FB0-69A8-4891-B7D2-A0BF72F461CC.jpeg
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Size:  1.77 MBCorrectly threaded Class 15 clone, in this case a Modern Age, made by Juki circa 1957
    Attached Images Attached Images

  14. #14
    Senior Member Queenbarbiej's Avatar
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    I have threaded it the way of Sewjourney's picture. When the lever with the hole in it comes down while sewing it is some how wrapping thread around the bar before the tension disc area.

  15. #15
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    I have noticed on mine if I sew too fast the thread will come up out of the first notch at the top, and get tangled. Someone else had placed a small washer up there held between the faceplate and the body of the machine. I’m not a very fast sewist so I haven’t tried the washer, but next time your acts up see if the thread is out of the notch. It’s figure A in the drawing in my last post.

  16. #16
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    The thread Must go over the bar (thread guard) before engaging the take-up spring. Here's what I see as a potential problem. The take-up spring in your first pic is limited in travel, and consequently tension. Notice how yours exits the tension assembly somewhere around 2:30 o'clock? The pic of the Juki built clone shows the take-up spring at about 4:00 o'clock. More travel means it will remove more slack from the thread.

    Loosen the set screw for the tension assembly and spin it clockwise. It will only spin within the slot provided. If more is required you may have to do a little bending of the take-up spring, or check the correctness of the tension assembly. Those springs are fairly fragile and can bend easily if not threaded correctly.

    BTW- Love the 41 Mercury in your avatar. Takes me back to my HS years. My nicest car was a 41 Merc coupe. Wish I still had it!
    Last edited by QuiltnNan; 04-15-2019 at 07:43 AM. Reason: shouting/all caps

  17. #17
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    I had a similar problem of tangled thread -- the spool would twirl around several times with each stroke. I tried putting one of those crocheted "spool doilies" over the spindle under the spool and that created enough drag to keep the thread from unwinding too fast. Just a thought...
    The featherweight shop sells them, but if you crochet, they are easy to make and there are lots of free patterns available for crocheted flowers.

  18. #18
    Super Member leonf's Avatar
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    I was hand cranking outside on a windy day and kept snapping thread at the take up arm. Turned the machine 90 degrees and fixed the problem.
    "Sacrifices must be made." Otto Lilienthal

  19. #19
    Senior Member Queenbarbiej's Avatar
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    Hemlock thank you for the complement on my 41 Mercury. It was a 20th year anniversary present to ourselves. We us to have a 67 Mustang coupe.

  20. #20
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    Quote Originally Posted by Queenbarbiej View Post
    Hemlock thank you for the complement on my 41 Mercury. It was a 20th year anniversary present to ourselves. We us to have a 67 Mustang coupe.
    The compliment was from oldmanquilts, but I agree -- very cool!

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