Operation Manual

I
__
-
I
Hook
cover
Switch
off
on/off
switch
Hold
the
side
of
the
hook
cover
(28)
and
open
it
towards
you.
Thread
tension
Removing
the
bobbin
case
Raise
the
bobbin
case
cover
and
pull
out
the
bobbin
case.
Release
the
cover
and
remove
the
empty
bobbin.
To
ensure
perfect
sewing
and
a
durable
seam,
the
top
and
bottom
thread-tensions
must
be
well
adjusted
to
each
other and
the
threads
must be
interlaced
between
the
two
fabric
plies.
The
interlacing
should
be
visible
from
the
underside
of
the
material
ply
when
sewing
decorative
seams,
buttonholes
and
darning.
19