2.3
+0.2
0
2.3
+0.2
0
Overlock
Needle
Overlock
Needle
Chain
Needle
Chain
Needle
16
Chain needle tension
adjusting screw
40
3-1 Needle guard adjustment
0.2-0.3
FRONT
SIDE
FRONT
SIDE
Timing
adjustment
screw (A)
Chain needle
thread take-up
height adjustment
screw (B)
3-2 Chain looper thread take-up adjustment
0 0.5
3-3 Chain needle tension unit adjustment
0
0-0.02
0
0
0
0
0
Chain needle
front needle
guard
Front & back
needle guard
Overlock back
needle guard
C
3
Needle
Thread take-up
driving cam
C1 Needle
5g
0
4
C3
Needle Thread
1.3mm
