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4-Thread Overlock
With the Enlighten Thread Delivery System, the upper and lower looper threads lock together evenly over
the cut fabric edge(s) to form a flat, non-rolling pattern of overlocking stitches on both sides of the fabric.
The left needle thread interlocks with both looper threads at the stitching line to create the seam. The right
needle thread, visible on the top side of the stitch, interlocks with both the loopers to add durability. The
thread, that resembles a zigzag on the upper side of the fabric, is from the upper looper. The thread, that
resembles a zig zag on the lower side of the fabric, is from the lower looper.
Move the stitch selector lever to "A".
For the perfect 4-thread overlock stitch, follow the suggested settings and threading diagram below.
NEEDLES
left & right
LENGTH
2.5-3.5
WIDTH
6.0-7.5
STITCH
SELECTOR
A
WAVE
SELECTOR
OVERLOCK
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