Standard Adjustment
(1
O)
Adjusting the height and clearance of
the
needle guard
1) For 1-needle or 2-needle overlock machine
Make
needle guard e lightly come
in
contact with the top end
of
needle (bend needle
by
o to 0.05
mm)
when the blade point of the lower looper reaches the needle center.
The clearance between needle guard
Ci)
and the needle
is
0.1
mm
when the needle is
at
the lowest
point of its stroke.
The
height of needle guard
CD
is 1
mm
from the throat plate bottom surface.
Needle guard Q
(Traveling needle guard)
2) For safely stitch machine
•
Needle
guard
@)
Throat
plate
1
mm
The
safely stitch machine
has
four needle guards,
e,
CD,
(9
and
{i).
The
needle guards e
and
6)
are
positioned in the same manner
as
those for the overlock machine.
The needle guard
Cl
should be positioned 5
mm
below the throat plate bottom surface.
Throat
plate
==-~--===~_;r-~;=::_J_
5mm
-22
-
From the Library of Superior Sewing Machine & Supply LLC
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