Operation Manual

Upper
knife
lock
You
can
sew
absolutely
any
type
of
fabric
with
this machine,
regardless
of
its
thick
ness.
For
extremely
thick
fabrics
you
must
tighten
the
axial
lock
screw
on
the
upper
knife
with
the
large
screwdriver
from
the
accessories
(see
page
66).
This
prevents
the
knife
from
being
displaced
by
the
material.
Remove
the
sewing
foot
and
needle
plate
(see
page
30,
31).
To
sew
light
fabrics
the screw
must
be
loo
sened
by
about
two
turns,
so
that
the
knife
can
again
move
in
an
axial
(side
ways)
direction.
0
Note:
The
screw
for
the
upper
knife
must
be
loosened
to
change
the
cutting
width.
Adjusting
the
sewing
foot
pressure
You
can
change
the
sewing
foot
pressure
rial
with
the
lever
(22).
Position
1
=
sewing
foot
pressure
for
very
thin
fabric
Position
N
=
sewing
foot
pressure
for
with
medium
thickness
depending
on
the
thickness
of
the
mate-
Position
3
=
sewing
foot
pressure
for
very
thick
fabric
34