Singer 1640 - Page 32

Sectiori7
Under
Top
Plate
—
Remove
Top
Plate
by
unscrewing
two
screws
and
oil
points
on
top
of
machine
head.
(Fig.
49)
It
is
important
that
you
do
not
give
the
machine
too
much
oil
which
will
only
run
out
and
spot
your
fabric.
After
oiling
machine,
sew
a
few
rows
of
stitches
on
a
scrap
of
material
to
be
sure
that
machine
sews
cleanly.
Also
wipe
off
any
excess
oil
from
top
of
machine.
Do not
oil
the
motor.
Lubrication
is
not
required
as
motor
has
been
permanently
oiled.
Raise
needle
to
its
highest
position
and
remove
rear
plate
by
unscrewing
two
set
screws
on
it.
Oil
the
points
as
indicated.
(Fig.
50)
B.
Open
Hook
Cover
and
press
it
down
to
get
a
better
view
to
oil
the
points
as
indicated.
(Fig.
51)
Fig
49
Underside
—
A.
28
—