~
Adjusting
the
over
looper
Dimension A
(1)
Loosen
the
screw
@.
Adjust the position
of
the over looper 0
to
dimension A (clearance between
the
over looper and the over looper holder) by moving the over looper 0
to
the
left
or
right. Make sure
that
the clearance between the over looper 0
tip
and the center
of
the
needle
@,when
the
over
looper
tip
is
aligned
with
the
needle plate
top
(dimension
B),
is
as
in the following table.
Before shipping,
the
bush
@
has
already been adjusted
so
that
it
touches the
right
side
of
the
guide
bush
positioning plate e.
Do
not
change
the
position
of
the
bush
@.
(2)
Loosen
the
bolt
@).
Adjust dimension C (the clearance between the center
of
the
needle and
the
tip.
of
the
over looper when
it
is
in its farthest
left
position) by moving the over looper arm 6 vertically. ·
Specification Standard
High
lift
Extra high
lift
Dimension A
1.6mm
0
1.0mm
Dimension B 6:8mm
8.4mm 9.6mm
Dimension(
Single needle overlock machine
Safety stitch sewing machine
4.8mm
Twin
needle
Two needle
four
threads
~
5.6mm
overlock
~
machine
Mock-safety 4.8mm
®
Protrusion
(3)
Remove
the
needle plate.
(4)
Adjust clearance
®to
0.1
-
0.5
mm, clearance
®to
0.05-
0.2
mm
when
the
tip
of
the over looper
passes
over
the
protrusion
of
the
under looper.
*
If
clearance® becomes larger,
the
over looper
can
not
catch the loop, resulting in skipped stitches.
-65-
To Next Page
