(7) 4-THREAD OVERLOCK WITH
INTEGRATEED SAFETY SEAM
*
When the upper looper thread line on the
underside of the fabric :
- Turn the upper looper thread tension dial (blue)
toward a higher number.
- Or, turn lower looper thread tension dial (red)
toward a lower number.
* When the lower looper thread appears on the top
of the fabric :
- Turn the lower looper thread tension dial (red)
toward a higher number.
- Or, turn the upper looper thread tension dial
(blue) toward a lower number.
* When the left needle thread tension is too loose :
- Turn the left needle thread tension dial (yellow)
toward a higher number.
* When the right needle thread tension is too loose :
- Turn the right needle thread tension dial (green)
toward a higher number.
(8) NARROW EDGE AND
(a) 3-Thread Narrow
Edge
(b) 3-Thread Rolled
Edge
(c) 2-Thread Narrow
Edge
(d) 2-Thread Rolled
Edge
ROLLED E
DGE
Overlock right
needle thread
Lower looper
Upper looper
thread
thread
Topside
Underside
Overlock right
needle thread
Lower looper
Upper looper
thread
thread
Topside
Underside
Overlock right
Lower looper
needle thread
thread
Topside
Underside
Overlock right
needle thread
Lower looper
thread
Topside
Underside
(7) 4-Thread overlock with integrateed safety seam
Upper looper thread
Overlock left needle
thread
Topside
Fabric
Yellow
Medium weight
Light Weight
Fabric
Yellow
Polyester
Wooly nylon
Light Weight
Fabric
Yellow
Polyester
Wooly nylon
Light Weight
Fabric
Yellow
Polyester
Wooly nylon
Light Weight
Fabric
Yellow
Polyester
Wooly nylon
79
Overlock right
needle thread
Lower looper thread
Underside
Tension Dial
Green
Blue
4.0
4.0
4.0
Tension Dial
Green
Blue
4.0
5.0
4.0
2.0
Tension Dial
Green
Blue
4.0
4.0
4.0
2.0
Tension Dial
Green
Blue
0.0
CONVERTER
4.0
CONVERTER
Tension Dial
Green
Blue
4.0
CONVERTER
3.5
CONVERTER
Red
4.0
Red
4.0
2.5
Red
7.0
4.0
Red
4.5
3.2
Red
4.5
3.5