3-Thread Flatlock - Singer 14T968 Instruction Manual

5) 3-thread Flatlock

Tension is automatically set when seiecting the
desired stitch type with the Auto Tension Dial (ATD).
Tension may be fine tuned with the Fine Tuning Levers
according to the following variables:
1) Type and thickness of fabric
2) Needle size
3) Size, type and fibre content of thread
Correct Balance
Set auto tension dial to F as shown on illustration
and test sew on a sample of your fabric.
How to Balance
When the lower looper thread tension is too loose;
-Move the lower looper thread tension
toward a higher position
- Or, move the needle thread tension
or blue) toward a lower
When the upper looper thread tension is too loose;
- Move the upper looper thread tension
(green) toward a higher
- Or, move the needle thread tension
or blue) toward a lower
When the needle thread tension is too loose;
- Move the needle thread tension
or blue) toward a higher
-Or, move the upper looper thread tension
(green) toward a lower
fine tuning
.
fine tuning lever
position .
fine tuning lever
position .
fine tuning lever
position .
fine tuning lever
position .
fine tuning lever
position .
ATD:F
SEAM WIDTH FINGER KNOB
STITCH LENGTH
SPREADER
Needle thread
Upper looper thread
Fabric
Medium weight
Fabric
Medium weight
Needle thread
Upper looper thread
Topside
lever (red)
(orange
Needle thread
Upper looper thread
Topside
(orange
Needle thread
(orange
Upper looper thread
Topside
44
NEEDLE POSITION
Topside
Tension Dial
Orange Blue
Green
Tension Dial
Orange Blue
Green
Lower looper thread
Underside
N
2~4
N/A
Needle thread
Lower looper thread
Underside
Red Brown
Red Brown
Needle thread
Lower looper thread
Underside
Needle thread
Lower looper thread
Underside
Needle thread