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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
Set each tension dial to settings shown at right
and test sew on a sample of your fabric
4) 3-thread Flatlock
Correct Balance
When the lower looper thread tension is too loose;
- Turn the lower looper thread tension dial (yellow)
toward a higher number.
-
Or, turn the needle thread tension dial (blue or
green) toward a lower number.
When the upper looper thread tension is too loose;
- Turn the upper looper thread tension dial (orange)
toward a higher number.
-
Or, turn the needle thread tension dial (blue or
green) toward a lower number.
How to Balance
NEEDLE POSITION
SEAM WIDTH FINGER KNOB
STITCH LENGTH
S
2 - 4
Fabric
Tension Dial
Blau
0.5
0.5
0.5
Green
Orange
5.0
5.0
5.0
Yellow
7.0
7.0
7.0
Light weight
Medium weight
Heavy weight
Fabric
Tension Dial
Blau
Green
0.5
0.5
0.5
Orange
5.0
5.0
5.0
Yellow
7.0
7.0
7.0
Light weight
Medium weight
Heavy weight
Needle thread
Needle thread
Upper looper
thread
Lower looper
thread
Underside
Topside
Needle thread
Needle thread
Upper looper
thread
Lower looper
thread
Underside
Topside
(505)
34
Needle thread
Needle thread
Upper looper
thread
Lower looper
thread
Underside
Topside
Needle thread
Needle thread
Upper looper
thread
Lower looper
thread
Underside
Topside
When the needle thread tension is too loose;
- Turn the needle thread tension dial (blue or
green) toward a higher number.
- Or, turn the upper looper thread tension dial
(orange) toward a lower number.
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