4-Thread Overlock
With the Acclaim 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.
T h e lef t need le t h read int erloc k s w it h b ot h looper t h read s at t h e s t it c h ing line t o c reat e t h e s eam .
T h e rig h t need le t h read , v is ib le on t h e t op s id e of t h e s t it c h , int erloc k s w it h b ot h t h e loopers t o ad d d u-
rab ilit y. T h e t h read , t h at res em b les a z ig z ag on t h e upper s id e of t h e f ab ric , is f rom t h e upper looper.
T h e t h read , t h at res em b les a z ig z ag on t h e low er s id e of t h e f ab ric , is f rom t h e low er 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/OVERLOCK
SELECTOR
OVERLOCK
L
R
L
R
2 5
4
T
H
R
E
A
D
O
V
E
R
L
O
C
K
