Bernina 900 electronic - Needle Lateral Motion During Sewing; Lateral Motion During Zigzag;Plain Stitch

Lateral
motion
of needle
during
zig-
If
the
zigzag
knob
(13)
is
then
turned
back-
zag
and
plain
stitch
sewing
wards
and
forwards
between
"0"
and
Ar 4
g
~~~~~~~~~~the needle
must
remain
stationary!
The
lateral
motion
of
the needle
(parabola)
Correction
is
made
as follows:
must
be
exactly
matched
to the
up and
Loosen
the
two fixing
screws
(105)
of worm
down
motion.
It must
only
begin
when
the
(106).
Hold
the worm,
which
is now
loose
needle
has
left
the work
and
must cease
on
the frame
shaft,
with
the aid
of a
screw-
before
the needle
penetrates
the
work
driver
and while
pressing
the
worm
against
again.
The zigzag
motion
is derived
from
a
the setting
ring (107)
turn
the
handwheel
cam.
until
the correct
setting
is
found.
Check:
Set LCR
adjusting
disc to
centre position.
Move stitch
selector
knob (14) to
cam B
(zigzag).
Set needle
to uppermost
position
by turning
handwheel.
,,*0
00/S
/
107
105
106
Fig.
23
15