Question about Juki Sewing Machines

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Juki 5550-6 bottom stitching has little loops every few inches What to do?

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  • Juki Expert
  • 90 Answers

  • Frances, Check to make sure that you don't have a bad needle. If there is a slight burr on the point of the needle, it will cause this. Or if your needle isn't in straight.
  • If you have broken a needle, you may have a groove on the inside of the needle hole in your throat plate. You can take your plate off and buy emery string to run back and forth to smooth that out or you can buy a new plate. (look under your plate and there should be a number engraved on your plate to guide you into purchasing the right plate.
  • Check your bobbin to see if its wound evenly and that there aren't any grooves in the edges of your bobbin (if there is, throw it away).
  • Lean your machine back and run your finger along the outer edge of the shuttle to see if there is a rough edge that might be catching the thread as it revolves around. If there is, buy a piece of fine emery paper at a hardware store and buff it smooth
  • Are you using smooth thread and a big enough needle? If your needle eye is too small for the thread or the needle is too small to punch a big enough hole in the material for the thread to pass through easily, it will sometimes cause skips like this.
  • As a last thought, try a different foot. If your foot doesn't hold the material tight to the feed dogs while you are sewing, the material will 'follow' the needle up and down and cause skips.
  • Good Luck!

Posted on Dec 26, 2018

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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Anonymous

SOURCE: BOTTOM STITCH IS ALWAYS LOOSE

my top thread is pulling thru to the underside..looks like little birds feet tracks on the back of the quilt...help

Posted on Aug 09, 2008

Anonymous

  • 19 Answers

SOURCE: Where can i download a manual for my juki ddl-5550-6 for free?

sewingmanuals.com

Have you tried sending information to a Juki dealer? It's unfortunate/fortunate you can find some manuals online and have to pay but...

Posted on Jan 14, 2009

Mimito7

Kelley Buchanan

  • 130 Answers

SOURCE: Top thread stitches correctly but bottom thread loops.

FYI---- Loops on the bottom-- problem is in the threading..
Loops on the top--- problem is with the bobbin.

Posted on Apr 19, 2009

Anonymous

  • 111 Answers

SOURCE: I bought a second hand Juki industrial machine ,

upper tension sets the lower thread tension (upper thread is what you see on the underside of the fabric). Bobbin tension is for the thread you see on the top of the fabric

Posted on Jul 08, 2009

sewtech915

  • 1 Answer

SOURCE: juki 5550 - SC 800 with electronic display - it

E13 is appearing on the panel of sc 800 control box
no such error is listed on the instruction manual please advise

Posted on Jun 07, 2010

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I have a brand new Juki MO-50e and the threads are loose on the back of the fabric, how do I fix this?


  1. . re-thread your machine with a rainbow of colors. (important that you remove the existing threads if you are not sure it is threaded properly.) make sure you are lifting the presser foot while rethreading.
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