Bernina 43 Manual - Page 24

Differential, Df-type

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DIFFERENTIAL FEED (DF-type only) Differential feed prevents waving seams in knitted fabrics. It also helps control the movement between layers of fabric, and ensures pucker-free seams in smooth synthetic fabrics. Differential feed mechanism There are two feed dogs, one front and one rear. The two feed dogs move independently and the distance each feed dog travels during one complete movement can be varied. C=1 REAR FRONT ( 3. Differential feed ratio 1 vs. 0.8-2 Adjusting the differential feed The differential feed can be adjusted by simply turning the differential feed adjustment dial in the direction desired. Please note that the Stretch 4-step and the Gathering 6-step adjustments to the differential feed can be made while sewing. Important:. When sewing without differential feed, the adjustment dial for the differential feed should be set on the "N" position. 2 3 Differential feed adjustment dial Stitch length dial 1\1 1 .1> STRETCH GATHER -21-

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DIFFERENTIAL
FEED
(DF-type
only)
Differential
feed
prevents
waving
seams
in
knitted
fabrics.
It
also
helps
control
the
movement
between
layers
of
fabric,
and
ensures
pucker
-free
seams
in
smooth
synthetic
fabrics.
Differential
feed
mechanism
There
are
two
feed
dogs,
one
front
and
one
rear.
The
two
feed
dogs
move
independently
and
the
distance
each
feed
dog
travels
during
one
complete
movement
can
be
varied.
C
=1
REAR
FRONT
(
3.
Differential
feed
ratio
1
vs.
0.8-2
Adjusting
the
differential
feed
The
differential
feed
can
be
adjusted
by
simply
turning
the
differential
feed
adjustment
dial
in
the
direction
desired.
Please
note
that
the
Stretch
4
-step
and
the
Gathering
6
-step
adjustments
to
the
differential
feed
can
be
made
while
sewing.
Important:.
When
sewing
without
differential
feed,
the
adjustment
dial
for
the
differential
feed
should
be
set
on
the
"N"
position.
Differential
feed
adjustment
dial
2
3
Stitch
length
dial
1\1
1
.1>
STRETCH
GATHER
—21—