Suggested Tension Setting; Needle Position; 2-Thread Wrapped Edge Overlock - Singer HD0400S Manual De Instrucciones

23. SUGGESTED TENSION SETTING

1) 2-Thread wrapped edge overlock.

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
* See page 26 to converting the upper looper
into spreader.
Correct Balance
Set each tension dial to settings shown at right
and test sew on a sample of your fabric
How to Balance
When the lower looper thread tension is too tight
or the needle thread tension is too loose:
-Turn the lower looper thread tension dial (yellow)
toward a lower number.
-Or, turn the needle thread tension dial (blue or
green) toward a higher number.
When the lower looper thread tension is too loose;
-Turn the looper thread tension dial (yellow) toward
a higher number.

NEEDLE POSITION

SEAM WIDTH FINGER KNOB
STITCH LENGTH
SPREADER
Needle thread
Topside
Fabric
Blue
Light weigt
2.5
Medium weight
3.5
Heavy weight
4.0
Fabric
Blue
Light weigt
Medium weight
Heavy weight
Needle thread
Topside
Needle thread
Topside
S
2 - 4
USE
Lower looper
thread
(502)
Underside
Tension Dial
Green Orange Yellow
Spreader 1.0
Spreader 1.0
Spreader 1.0
Tension Dial
Green Orange Yellow
2.5 Spreader 2.0
4.0 Spreader 2.0
5.0 Spreader 2.0
Lower looper
thread
Underside
Lower looper
thread
Underside
31