Operation Manual

Changing
the upper
knife:
Pull out
the
mains plug.
For
disengageing
the
upper
knife,
see
page
29,
L
Unscrew
the knife
retaining
screw and
remove upper
knife,
To replace
the
upper knife,
insert
the
retaining
screw
through
cutout (1)
of the
knife.
Screw
it into threaded
hole
(2)
of
the
knife
holder.
Tighten
slightly
and set
the
upper
knife
in
the
cutting
position.
Turn the
hand wheel
counter-clockwise
until the
upper
knife
is in its
lowest
position.
The front
edge of
the
upper
knife
should
be 0.5
to 1.0
mm lower
in
this position
than
the surface
of
the
needle
plate.
Adjust
the
upper
knife
accurately
and tighten
the retaining
screw
securely.