Bernina 900 electronic - Initial Adjustment Operations; General Adjustment Guidelines

Initial adjustment operations
Rotate zig-zag knob (13) to postion (0)
Unscrew mounting screw knob (13) and
rF_ emove knob, Set slihch selection knob
(14)
to position (A) -------
Unscrew the
assoc ated
mounting
screw and
remove
t * _ 14 _
Knob and scale
together with wheel,
13 i #^i _ gUnscrew both Phiillips screws (130) and
-lr
\ renmove cover
plate (129),
The screws are
riot visible
until knobs (1:.) and (14) hav
been removed Remove frame cover (128)
and end cover
(5) (Light switch
has been
switched ,on>.n
U Temporariy
reinsert zig-zag
krob (13) and
stitch selection knob (14) together with
scale,
r g, 3
Adjustments
can
now be carried
out
After adjustments have been made rein-
sert parts in reverse order.
IMPORTANT: The sewing machine can be
completely adjusted
and sewn oft prior
to mounting covers
14
128 14 Adjustment of the type 900 sewing
5
,
machine
:
|
m < :: land other
rnodels)
13 .hese
adjustmen
instructions
are des:g-
Li
ned to assist
mo minor
repairs or
adjust-
130
-
ments of the
BERNINA sewing
machine
~~ 129 f Ol o f ~~tPe 900.
129
tMPORTANT:
The
sewing
mach
ne
must
be in perfect
mechanical
condition
(run-
{ning smoothly.
properly
oiled
etc.) so
tha!
idividual adjustments
can be
carried
out correctly,
-__________________ - If the sequence of adjustments is obser-
ved r peccable
speration
ot the machine
he
onsured