3-Thread Flatlock
Needle position
Seam width
finger knob
Stitch length
A Needle thread
B Lower looper thread
C Upper looper thread
Correct Balance
Set each tension dial to settings
•
shown below and test sew on a
sample of your fabric
Fabric
Light
Medium
Heavy
Fabric
Light
Medium
Heavy
EN
S
2~4
Blue
Green
0.5
0.5
0.5
Blue
Green
Tension Dial
Orange
Tension Dial
Orange
0.5
0.5
0.5
Yellow
5.0
7.0
5.0
7.0
5.0
7.0
Yellow
5.0
7.0
5.0
7.0
5.0
7.0