Operation Manual

I
Disengaging
the
upper
knife
Remove
lint
box
8.
Open
work
support
1
2
and
looper
cover
1
0.
If
necessary,
loosen
upper
knife
arresting
screw
37.
Push
rotary
lever 27
of
the
axial
upper
knife
guide
fully to
the
right,
hold
it,
and
turn
it
forwards
until
the
pin
enga
ges
in
the
hole
of
the
knife.
Now
the
upper
knife
is
disengaged.
Adjusting
the
seam
width
The
standard
seam
width
setting
is
marked
with
N
(3.5
mm).
Disengage
upper
knife
11
according
to
the
above
description.
The
desired
seam
width
is
set
with
adjusting
knob 26.
The
scale on
the
seam-width
adjustment
knob
ranges
from
3
to
5
mm.
Set
the
upper
knife at
its
basic
position
again
and
close
the
looper
cover.
When
sewing
thick
materials,
tighten
screw
37
of
the
upper
knife
arresting
system
securely
(see
p.
32).
Sew
a
test
seam,
Note:
The
seam
width
adjustments
made
at
adjustment
knob
26
(3
to
5
mm)
only
refer
to
the
right
needle.
When
the
left
needle
is
used
the
value
set
is
increa
sed
by
2.2
mm
(seam
width 5.2
to
7.2
mm).
23