White 1500 Sewing Machine User Manual


 
I
DIFFERENTIAL
FEED
The
difterential
feed
prevents
wavy
seams
in
knitted
fabrics
and
also
movement
between
the
layers
of
fabric.
It
also
ensures
pucker-tree
seams
on
lightweight
fabrics.
[DIFFERENTIAL
FEED
MECHANISM]
There
ard
two
sets
of
feed
teeth,
one
front
and
one
rear,
The
two
sets
of
teed
teeth
move
independently.
Ditterential
feed
allows
the
two
sets
of
teed
teeth
to
move
at
different
rates
REAR
N\N\
L
FRONT
cm
[ADJUSTING
THE
DIFFERENTIAL
FEED]
The
differential
feed
can
be
adjusted
by
simply
turning
the
differential
feed
adjustment
knob
in
the
direction
desired.
Adjustment
of
the
differential
feed
can
be
made
while
sewing.
Important:
When
sewing
without
differential
teed,
the
adjustment
knob
for
the
differential
feed
should
be
set
on
the
“N”
position.
•Differential
feed
adjustment
knob
(Outside)
23