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I'm trying to sew 2 layers of 1" nylon webbing and am getting the top thread showing on the bottom regardless of how tight I set the top tension; See images attached. The black thread is topside, green thread is bottom side. Both threads are size 69 bonded nylon. In the image of the bottom side I've tightened the top tension a little bit each time, until the final row where I maxed-out the tension. As you can see there is virtually no difference. I've tried two different needle types with the same results: Organ DP x 17 125/20 and Groz-beckert 110/18 RG. The organ needle is the largest one I currently have, and should be adequate for the size of thread I'm using. I'm wondering if the type of webbing I'm using requires a specific size or needle point? Things I've tried with no improvement on the bottom side stitches: Increased top tension all the way Reduced bottom tension to almost nothing Re-timed my machine Removed and cleaned the bobbin case/assembly I will also add, the tension unit is brand new, but I did take the time to calibrate it so tension engages and disengages properly with the knee lift. Images of the tension assembly attached. Is there something special about setting up this machine that I've overlooked? Any recommendations on things to try would be greatly appreciated.
Selling my JUKI LU-563 walking foot industrial sewing machine. I purchased it from a sewing machine servicing company who refurbished the machine in 2014. Machine is setup to sew leather. The machine works great. Comes with table and 3/4 hp digital servo motor. (Sewquiet 5000). Motor currently has a larger pulley to increase torque, but original pulley and belt is still available with it. Will come with a bunch of black and white M size pre-wound bobbins as well as magnetic LED light and leather point needles. Instruction manual and parts list and thread tree included. She may not be the prettiest, but she does the job! The table is not great, and bows down in the middle. I was given the table for free with the head, so passing that along. I will include the 1/2 hp clutch motor that came with it for free as well if wanted (just collecting dust on the shelf). Price is $900. Located in Sugar Hill, GA (45 min north of Atlanta). Message me or post with any questions, ill do my best to answer as quick as I can.