HH
Scissors
assembly
position
control
1. With the machine in the stopped position (before the thread is cut)
and
while supportingthe
upper
thread
cutter
lever
assembly
O wihtyour hand,
loosen
thetwo
screws
O and
move
theupperthreadcutter
lever
BO forward
and backward until the end of the scissors U o and the thread are lined up when the knee lifter lifting leveris
operated and the upper thread cutter
lever
assembly
O is
moved
slowly
toward the
needle.
Also,
loosenthe
screw O and move the scissors assembly 0 up or down until the bottom of the scissors assembly isas close as
possible to the material clamp.
Lined
up
with
end
of
scissors
—
thread
As
close
as
possible
i
Scissors
guide
position
control
With the machine in the
stopped
position (before
the thread is cut), loosen the two screws 0 and
move the scissorsguide 0 back and forth until the
distance between the
end
of
the scissors assembly
0 an theend of the sicssrossafety plate0 is0 0.5
mm.
-38-
-Upper
clamp
0~0.5
mm
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