Operation Manual
Notes
on
the
motor
*
The
normal
operating
speed
of
this
sewing
machine
is
1,500
stitches
per
minute,
which
is
quite
fast
compared
to
the
normal
operating
speed
of
300
to
800
stitches
per
minute
for
the
ordinary
foot-operated
sewing
machine.
It
should
be
noted
that
the
motor
of
this
sewing
machine
turns
in
the
opposite
direction
to
the
motor
in
an
ordinary
sewing
machine.
ThrincE.
Preparation
Raise
the
spool
pin
right
up
and
set
ii
by
the
positioning
stopper
at
rhe
join
the
upper
and
lower
sections
of
the
pin.
Make
sure
that
the
thread
holders
right
above
the
reel
support.
nj
_
Reeln
__
How
to
use
thread
spool
cap
When
you
use
a
wooden
thread
reel,
use
the
thread
spool
cap
as
illustrated
to
the
right.
How
to
use
net
II
you
are
sewing
with
loosely-
spun
nylon
thread
we
recommend
that
you
cover
the
spool
with
the
net
supplied
to
prevent
the
thread
Irom
slipping
oil
the
spoo
1
.
Adapt
the
net
to
the
shape
ol
the
spool,
see
illustration.
Ensure
that
each
thread
runs
be
tween
the
two
thread
tension
discs.
*
The
bearings
in
the
motor
are
made
of
a
special,
sintered
oil-impregnated
alloy
mounted
in
oil-soaked
felt
to
withstand
long
hours
of
continuous
operation.
*
Continuous
operation
of
the
sewing
machine
will
heat
the
motor
and
foot
control
a
little,
but
not
enough
to
adversely
affect
its
performance.
The
motor
and
foot
control
are
equipped
with
ventilating
holes,
which
must
not
be
covered
with
cloth
or
paper
during
use.
*
When
the
motor
is
running,
sparks
can
be
seen
through
the
ventilating
hole
in
-.
the
motor
bracket
on
the
side
opposite
the
pulley.
These
sparks
are
produced
by
the
carbon
brushes
and
the
commutator,
and
are
of
no
significance.
CAUTION
WHEN
THREADING,
REPLACING
NEEDLE,
OR
WHEN
MACHINE
IS
NOT
IN
USE,
IT
IS
RECOMMENDED
THAT
THE
ELECTRIC
SUPPLY
PLUG
IS
DISCONNECTED
TO
AVOID
ANY
POSSIBLE
HAZARDS.
Thread
holder
0
‘X
L
I[
1
1.
jNet
:“:
:::,:
L
[
L
NOTE:
Thread
hread
tension
discs
—5—
—6