Operation Manual

•
SUGGESTED
TENSION
SETTINGS
FOR
THE
3
THREAD
OVER
LOCK
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.
•
HOW
TO
BALANCE
THE
3
THREAD
OVER
LOCK
STITCH
*
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
Overlock
Stitch
Tension
Dial
Fabric
Blue
Green
Orange
Yellow
Light
weight
3
1
2
Medium
weight
:
1
2
Heavy
weight
5
1.5
2.5
Right
Needle/Narrow
3
Thread
Overlock
Stitch
Tension
Dial
Fabric
Blue
Green
Orange
Yellow
Lightweight
3
1.5
2
Medium
weight
4
1,5
2
Heavyweight
:
5
2
2.5
•
CORRECT
BALANCE
OF
THE
3
THREAD
OVER
LOCK
STITCH
I
1
1,
I
I
I
1
1.
Needle
Topside
Needle
thread
b00
L9Werloper
Topside
-
Underside
Lower
looper
thread
Upper
looper
thread
Needle
thread
Topside
Underside
Topside
Underside
21