34
3–Thread Overlock (#3/#4)
• Correct balance
–
Set each tension dial to setting shown at left
and test sew on a sample of your fabric.
• How to balance
When the upper looper thread lies on the underside of
the fabric;
–
Turn the upper looper thread tension dial (blue)
to a higher number.
–
Or, turn the lower looper thread tension dial
(red) to a lower number
PLEASE NOTE:
–
These are suggested tension settings only.
–
Tension settings are effected by;
1. Type and thickness of fabric
2. Needle size
3. Size, type and fiber content of thread
3–Thread Overlock wide #3
Medium weight
fabric
Tension Dial
Yellow
Green
Blue
Red
3.0
4.0
3.5
3–Thread Overlock narrow #4
Medium weight
fabric
Tension Dial
Yellow
Green
Blue
Red
4.0
4.0
4.0
Thread Color Code refer page 19.
NP
/
Refer page 15
RHP
N
Refer page 14/15
SL
2.5–4
Refer page 27
ULC
–
Refer page 14
1
2
6
5
1
3 4
2
6
5
3 4
1
2
6
5
3 4
1
2
6
5
3 4
1
2
6
5
1
3 4
2
6
5
3 4
1
2
6
5
3 4
1
2
6
5
3 4
1
2
6
5
1
3 4
2
6
5
3 4
1
2
6
5
3 4
1
2
6
5
3 4
When the lower looper thread appears on the top of
the fabric;
–
Turn the lower looper thread tension dial (red)
toward a higher number.
–
Or, turn the upper looper thread tension dial
(blue) to a lower number.
When the needle thread is too loose;
–
Turn the needle tension dial (yellow or green) to
a higher number.
