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
a
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
oil flow,
passing
through
the
oil 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
tablish
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
line.
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 oil, as shown in Fig. 5.
Machine
must
run
at
least
one
minute
between
ad
justments
to
insure
uniform oil flow.
If
the
proper rote of flow
cannot
be
obtained
by
turning the regulator
inspect
the oil flow mechanism
as
follows:
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.
SHOULD
SHOW
STEADY
FLOW
OF
OIL
Fig.
4. Oil Flow Window
THREAD
GUARD
HOOK
BODY
SCREWS
FEED
BAR
POSITION
FINGER
tT
BRACKET
SCREW
OIL
FLOW
REGULATOR
Fig.
5. Oil Flow
Regulotor
SEWING
HOOK
OIL
FLOW
REGULATOR
ojA
14
3.
/ /
'f/V
FILTER
SCREW
WICK
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
has
become
detached
or
clogged.
Inspect
all
passages
for dirt and
lint
accumulation.
Replace
wick if
necessary.
Assemble sewing hook and position finger to ma
chine.
Re-check
oil flow
as
previously
instructed.
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