Singer 281-30 - LUBRICATION PROCEDURES; Oil Flow Regulator Adjustment; Sewing Hook Filter and Wick Maintenance

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
LUBRICATION
Before
starting
machine,
the
oil
reservoir
must
be
filled
to HIGH
MARK
shown
in
Fig.
2
Use
SINGER
OIL
"TYPE
A"
or
"TYPE
C".
Use
"TYPE
C"
OIL
when
an
oil
is
desired
which
will
produce
a
minimum
of
stain
on
fabrics
even
after
o
long
period
of
storage.
Do
not
use
additives
in
sewing
machine
oil,
as
they
may
cause
a
reduction
in
normal
oil
flow
that
can
result
in
damage
to
machine.
Should
the
oi
I
flow,
passing
through
the
oi
I
flow
window
as
shown
in
Fig.
4,
stop
or
become
erratic,
STOP
MACHINE
AND
DO
NOT
RUN AGAIN
until
the
cause
has
been
eliminated.
Check
oil
level
often
to
keep
it
from
going
below
low
mark.
The
Oil
Flow
Regulator
Lubrication
of
the
sewing
hook
is
automatically
controlled
by
the
oil
flow
regulator
shown
in
Fig.
5.
Regulator
is
set
at
the
factory
for
lubrication
under
average
sewing
conditions.
To
determine
whether
oil
is
properly
flowing
to
the
hook,
run
machine
for
approximately
one
minute
to
es-
tobli
sh
a
uniform
rote
of
flow.
Then
open
"the
bed
slide,
hold
a
.piece
of
paper
under
the
hook
and
run
the
ma-
chine
for
about
ten
seconds.
There
should
be
a
distinct
line
of
oil
on
paper,
beneath
the
hook
bearing,
with
a
fine
spray
on
each
side
of
this
I
ine.
If
there
is
no
trace
of
oil
or
an
excess
of
oil
on
the
paper,
turn
oil
flow
regulator
to
right
or
left
to
increase
or
decrease
the
flow
of
oi
I,
as
shown
in
Fig.
5.
Machine
must
run
at
least·
one
minute
between
ad-
justments
to
insure
uniform
oil
flow.
If
the
proper
rate
of
flow
cannot
be
obtained
by
turning
the
regulator,
inspect
the
oil
flow
mechanism
as
follows:
6
Remove
needle,
bobbin
and
bobbin
case
from
ma-
chine.
Remove
bracket
screw
and
position
finger
shown
in
Fig.
5.
Loosen
two
hook
body
screws
and
turn
machine
pulley
until
feed
bar
reaches
its
highest
point.
Fig.
4.
Oi
I
Flow
Window
~
-~
THREAD
GUARD
HOOK
BODY
SCREWS--~
BRACKET
SCREW
OIL
FLOW
RE
GULA
TOR
'•
Fig.
5.
Oil
Flow
Regulator
SEWING
HOOK
FILTER
Fig.
6.
Sewing
Hook
Filter
Screw
and
Wick
Turn
the
sewing
hook
until
thread
guard
is
at
the
bottom
as
shown
in
Fig.
5
and
slide
hook
from
shaft.
Loosen
filter
screw
shown
in
Fig.
6
and
check
to
see
if
wick
hos
become
detached
or
clogged.
Inspect
all
passages
for
dirt
and
I
int
accumulation.
Replace
wick
if
necessary.
Assemble
sewing
hook
and
position
finger
to
ma-
chine.
Re-check
oil
flow
as
previously
instructed.