Pfaff hobbyblock 756 User Manual

DIFFERENTIAL
FEED
(with
differential feed
machine
only)
*
Differential
feed
is
a
system
which
“stretches” or
“gathers”
the fabric,
when amount
of
feed of
front
feed dog
in relation to
the rear
feed dog
is
changed.
*
The differential
feed
ratio ranges
from 1:0.77
1:2.0.
Adjustment
is made
by
means
of
the
dif
ferential
feed
adjusting
lever as
shown.
*
Use
of
differential feed
is
very
effective
in over-
edging stretch
fabrics
and fabrics cut
on
the bias.
(1)
Gathered
Overedge
(Use
regular
throat
plate)
*
Gathered
overedge
is most
suited for
shirring
sleeves,
yokes,
front
and back
bodices,
skirt hems,
etc.
in
stretch
fabrics such
as knits
and
jersey
be
fore assembling
into garment.
To
set the
differential
feed adjusting
lever
*
Open looper
cover
and
loosen differential
feed
adjusting
lever
thumb screw.
*
Slide
adjusting lever
downward
below the
center
mark,
as
required,
to gather,
and tighten
the
thumb
screw.
Note:
The setting
position of
the
lever
will
differ
de
pending on
the material
being
sewn
and the
amount of feed
for
shirring.
*
When differential
feed
adjusting
lever
is set
to
maximum
gathering
ratio,
the stitch
length
will
automatically
change
to 3mm
(7/64inch)
if
previous
setting
was
higher
than
setting
“3”.
*
Be
sure
to
reset
the
differential
feed
adjusting lever
to
center
mark
for
normal overedge
stitching.
36
Feed Control
Lever
Center
Mark
Tighten
Gather
Loosen
J

Pfaff hobbyblock 756 Specifications

General

Brand	Pfaff
Model	hobbyblock 756
Category	Sewing Machine
Language	English