Operation Manual

Instruction
for
differential
feed
‘mechanism
(1)
Open
cloth
plate
cover.
(2)
Loosen
Iced
ratio
adjusting
lever.
(3)
Adjust
feed
ratio
as
required.
(4)
Fasten
adjusting
lever.
(5)
Close
cloth
plate
cover.
NOTE:
What
is
“differential
feed
ra
110”
.
It
is
ratio
of
differential
feeding
power
(adjustable)
to
main
feeding
power
(fixed).
It
is
adjustable
between
0.7
and
2.0.
Prevent
elastic
materials
from
stretching.
or
Puckering.
j
7
L%
With
normal
feed
the
edge
of
the
elastic
materials
will
be
wavy
To
correct,
adjust
the
feed
ratio
between
1.0
and
2.0.
(Feed
ratio
depends
on
elasticity
of
materials.)
Caution
In
case
you
sew
with
thick
materials
which
is
not
elastic
such
s
denim,
do
not
work
differential
feed
so
as
not
to
damage
materials.
w
to
adjust
differential
Iced
ratio.
*
An
example
requiring
adjustment.
d
ratio
Main
feed
F,
Differential
Effect
Application
:
.
Prevent
thin
7—1.0
aigfrom
1
0
)
cz
Without
differ-
Normal
‘
“
ential
feed.
sewing.
0
2
.0
Materials
to
be
gathered.
-.
w
-
—
20
—