JUKI MO-50e Manuel D'instructions page 34

Practical sewing
3 thread overlock
For a 3-5 mm wide 3 thread
overlock, remove the left needle.
Thread both loopers and then
the right needle.
For a 5-7 mm wide 3 thread
overlock, remove the right
needle.
Thread both loopers and then
the left needle.
3 thread roll hem
Switch the lever to "R". See
page 29.
Note:
the tensions may need to be
adjusted depending on the type
of fabric or thread being used.
Setting:
Stitch: 3 thread overlock
right
Needle:
Tensions:
Needle: 3-5
Upper looper 3-5
Lower looper 7-9
Stitch length 1.5-2
Differential feed N (depending on fabric)
Unpicking seams
Cut the loops with sharp
scissors.
Pull the needle thread and the
stitches will come undone.