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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
3) 3-thread Overlock
Correct Balance
When the upper looper thread lies on the underside
of the fabric;
When the lower looper thread appears on the top
of fabric;
- Turn the lower looper thread tension dial (yellow)
toward a higher number.
-
Or, turn the upper looper thread tension dial
(orange) to a lower number.
How to Balance
NEEDLE POSITION
SEAM WIDTH FINGER KNOB
STITCH LENGTH
S
2 - 4
Upper looper thread
Upper looper thread
Upper looper thread
Upper looper thread
Needle thread
Needle thread
Topside
Topside
Lower looper
thread
Lower looper
thread
Underside
Underside
Needle thread
Topside
Lower looper
thread
Underside
Needle thread
Topside
Lower looper
thread
Underside
(504)
Fabric
Tension Dial
Blue
2.5
3.0
3.5
Green
Orange
3.0
3.0
3.0
Yellow
3.0
3.0
3.0
Light weight
Medium weight
Heavy weight
Fabric
Tension Dial
Blue
Green
2.5
3.0
3.5
Orange
3.0
3.0
3.0
Yellow
3.0
3.0
3.0
Light weight
Medium weight
Heavy weight
When the needle thread is too loose, turn the
needle tension dial (blue or green) to a higher
number.
-
Turn the upper looper thread tension dial
(orange) to a higher number.
- Or, turn the lower looper thread tension dial
(yellow) to a lower number.
33
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