Note, Correct balance of the 3 thread overlockstitch, How to balance the 3 thread overlockstitch – SINGER 14U454B Ultralock User Manual
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• SUGGESTED TENSION SETTINGS FOR
THE 3 THREAD OVERLOOK STITCH
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.
• CORRECT BALANCE OF THE 3 THREAD
OVERLOCKSTITCH
* HOW TO BALANCE THE 3 THREAD
OVERLOCKSTITCH
* When the upper looper thread lies on the under
side of the fabric
— 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.
* When the lower looper thread appears on the top
— 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.
* When the needle thread is too loose, Turn the
needle tension dial (blue or green) to a higher
number.
Left Needle/Wide 3 Thread Overlook Stitch
Fabric
Tension Dial
Blue
Green
Orange Yellow
Light weight
3
1
2
Medium weight
4
1
2
Heavy weight
5
1.5
2.5
Right Needle/Narrow 3 Thread Overlook Stitch
Fabric
Tension Dial
Blue
Green
Orange Yellow
Light weight
3
1.5
2
Medium weight
4
1.5
2
Heavy weight
5
2
2.5
Upper looper thread
Needle thread
Topside
Lower looper
thread
Underside
Needle thread
Upper looper
thread
Topside
Lower looper thread
Lower looper
thread
Underside
Upper looper
thread
Topside
Upper looper
thread
Topside
Underside
Lower looper
thread
Needle
thread
Underside
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