Bernina 900 electronic - Forward and Reverse Bead Adjustment; Setting Forward and Reverse Bead Length

occurs at the
second bar tack,
adjust
according
to the above-mentioned.
procedures.
Setting
the forward
and
reserve
Compare
the
difference
in
length bet-
bead
ween
and forward
and reverse bead.
The reverse bead
should be
approxi-
Turn stitch
selector knob
(14) to position
mately 1 mm
shorter than
the forward
.. (first
bead).
bead.
Set stitch
length
adjustment
knob
(22)
If the reverse
bead
is too short,
loosen
to
approximately
0.25
Start machine
until
mounting
screw
(136) of
the reverse
the securing
screw
of the
cam package
is
stitch setting
cam
(132) with
Allen wrench
positioned
upwards.
(134) and
rotate the
cam downward.
Sewing
material:
raw,
2
-ply cotton-cre-
If the
reverse
bead is too
long, rotate
the
tonne. Place
under
presser
toot,
cam
upward.
Retighten
screw after
adjust-
Start
machine until
the carn package
has
ment
completed
two full revolutions.
Stitch
length
adjustment
knob (22)
must
Set stich
selection
knob (14)
to position
remain
in the "0"
position
during the
.3,.
Now let the minc
run a further
2 full adjustment
procedure
rotations,
CAUTION:
When
rotating
the
reverse
cam,
it
must be pressed
against the setting
ring
with the alien wrench.
134
.A
I
1
/1 135
z .
. ~~~~~131
22
133
1332
i'awr
134
]..B
Fig,
31
19