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3-thread wrapped edge overlock
Note: These are suggested tension settings only.
Tension settings are affected by:
a) Type and thickness of fabric
b) Needle size
c) Size, type and fiber content of thread
Correct Balance (Fig. 1)
Set each tension dial to the settings shown below and test
sew on a sample of your fabric.
How to Balance
1. When the upper looper thread is too loose: (Fig. 2)
a) Turn the upper looper thread tension dial (orange)
to a higher number.
2. When the lower looper thread tension is too loose:
(Fig. 3)
a) Turn the lower looper thread tension dial (yellow)
to a higher number.
b) Or, turn the upper looper thread tension dial
(orange) to a lower number.
3. When the needle thread is too loose: (Fig. 4)
a) Turn the needle tension dial (blue or green) to a
higher number.
b) Or, turn the upper looper thread tension dial
(orange) to a lower number.
Needle
Thread
Needle Thread
Needle
Thread
Needle Thread
SUGGESTED TENSION SETTINGS
8.0
4.0
Heavy weight
7.0
3.0
Medium weight
6.0
2.0
Light weight
YELLOW
ORANGE
GREEN
BLUE
TENSION DIAL (4 THREAD M/C)
FABRIC
Heavy weight
Medium weight
Light weight
YELLOW
ORANGE
GREEN
BLUE
TENSION DIAL (4 THREAD M/C)
FABRIC
Top Side
Top Side
Top Side
Needle
Thread
Needle
Thread
Needle
Thread
Needle
Thread
Under Side
Under Side
Under Side
Under Side
N/A
Converter
2 – 4
Stitch length
S
Seam width
finger knob
Needle Position
8.0
4.0
Heavy weight
7.0
3.0
Medium weight
6.0
2.0
Light weight
YELLOW
ORANGE
GREEN
BLUE
TENSION DIAL (4 THREAD M/C)
FABRIC
Heavy weight
Medium weight
Light weight
YELLOW
ORANGE
GREEN
BLUE
TENSION DIAL (4 THREAD M/C)
FABRIC
Correct
Wrong
Wrong
Wrong
Top Side
Lower Looper
Thread
Upper
Looper
Thread
Upper Looper
Thread
Lower Looper
Thread
Lower Looper
Thread
Lower Looper
Thread
Upper Looper
Thread
Upper Looper
Thread
0.5
0.5
0.5
0.5
0.5
0.5
Fig. 1
Fig. 2
Fig. 3
Fig. 4
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