Loosen
knife
clamp
screw
(1)
and
pull
the
lower
knife
down.
Inserting
lower
knife:
Insert
a
new
knife
into
the
groove
of
the
lower
knife
holder
with
the
cutting
edge
facing
right.
Set
the
knife
so
that
the
cutting
edge
aligns
with
the
surface
of
the
needle
plate.
Tighten
the
lower
knife
clamp
screw
(1).
Return
the
upper
knife
to
its
normal
position.
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