Question about Juki DDL-8700 Industrial Straight Stitch Sewing Machine, Servo Motor
I've found that the hook assembly had burs i filed them off, but it keeps fraying the thread.
Hello Daniel, I suggest you start with a new needle. Back off the needle thread tension and the bobbin thread tension to a minimum and see how it sews. If it does not ravel the thread, you can increase the tensions until you acquire the stitch you want.
Posted on Mar 27, 2014
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Posted on Jan 02, 2017
there's a tension dial with numbers-0-9 --above the needle area- the smaller the number the looser the tension--the higher the number the tighter the tension
thread breaking-try this
try rethreading the machine
thread tension to tight
needle is bent or blunt
needle is inserted incorrectly
the thread is either too heavy or too fine for the needle
try this & see if it helps 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
Posted on Oct 26, 2010
Here is an image of the threading up for your model Juki.
You can down load a manual for your Juki from their website, its a bit tricky to find so I'll paste the link for you.
just wait a bit for the file to build to your screen because its a large file.
I hope this helps you get using your machine.
Posted on Oct 11, 2011
Without seeing your manual it's hard to tell for sure, but it is likely that your needle and thread combo is causing the problem. Another thing can be a burr or nick on the presser foot or needle plate. First change change the needle to a different one in size 18. If it still shreds we no it is probably the needle... size up to a 20. If it works... you are good to go.
If that doesn't work... take off the presser foot and examine the needle plate for burrs, stab marks, chips. Also examine the presser foot.
If you find a defect carefully smooth that with some very fine sand paper. and try sewing again.
Posted on Aug 09, 2012
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