Operation Manual

*
0
cA
— fl\
Disengaging
the
upper knife
Remove lint
box
8.
Open work
support 12
and looper
cover
10. If necessary,
loosen
screw
38
for
axial
upper knife
blocking.
Push rotary
lever
27
of the axial
upper
knife guide
fully
to
the
right, hold
it,
and
turn it forwards
until
pin A
engages
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
the
upper knife 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
2.5
to
5.
Set
the
upper
knife at its
basic position
again
and close
the looper
cover.
When
processing
thick
fabrics, securely
tighten
screw
38
for
blocking the
upper
knife,
see
page 14,
Sew
a
test
seam.
Note:
After
adjusting
the
seam
width, it may
be
necessary
to re-adjust
the
thread
tension.
c
21