3-thread Overlock
A Needle thread
B Lower looper thread
C Upper looper thread
Needle position
Seam width
finger knob
Stitch length
Correct balance
Set each tension dial to settings
•
shown below and test sew on
sample of your fabric
Fabric
Light
Medium
Heavy
Fabric
Light
Medium
Heavy
EN
S
2~4
Blue
Green
2.5
3.0
3.5
Blue
Green
Tension Dial
Orange
Tension Dial
Orange
2.5
3.0
3.5
Yellow
3.0
3.0
3.0
3.0
3.0
3.0
Yellow
3.0
3.0
3.0
3.0
3.0
3.0