Juki LU563 stitch problems in reverse

[MikeG]

Juki LU-563   135X16X19 needle   Tex 135 bonded nylon    3 layers of 3oz veg tan (less than 1/4" total)

Stitching forward gives a good result top and bottom (left side in pictures) -- when reversed (right side in pictures), the top looks OK, but the bottom has loops as though the top tension is too loose.  

Any thoughts where to look to correct this issue?  Thanks, all!

 

 

[photonashville]

Perhaps go up in needle size to 20, 21 or 22 to see if that corrects it. That's all I can suggest.

[kgg]

1 hour ago, MikeG said:

Juki LU-563   135X16X19 needle   Tex 135 bonded nylon    3 layers of 3oz veg tan (less than 1/4" total)

The number 19 needle is to small for Tex 135 thread. In thin you need a #22, medium a #23 and thick #24.

Here is a good needle to thread reference chart ( https://www.tolindsewmach.com/thread-chart.html )

kgg

[MikeG]

Genius! A larger needle solved the problem, even though I don't understand why it only happened in reverse.  I will take the win!  Thanks!!!!

[friquant]

3 hours ago, MikeG said:

Stitching forward gives a good result top and bottom (left side in pictures) -- when reversed (right side in pictures), the top looks OK, but the bottom has loops as though the top tension is too loose. 

This may help: https://leatherworker.net/forum/topic/101339-problem-with-reverse-stitch-tightness-on-singer-industrial/#findComment-685135