Singer 211G166 - Hook and Thread Lubrication Details; Ensuring Bobbin Case Raceway Lubrication; Adjusting Thread Lubrication Flow

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
6
HOOK
LUBRICATION
211
G
2o5
and
211
G
266
continued
(Figures
7,
8
and
9)
The
bobbin
case
raceway
is
lubricated
by
oi
I
pumped from
the
hook
saddle
reservoir
while
the
machine
is
operating.
The
amount
of
oi I
received
by
hook
raceway
is
very
important.
To
check
this,
first remove
bobbin
case.
Then
with
the
machine
running,
hold a small
piece
of
white
paper
near
the
hook for
about
l 0
seconds.
A
distinct
spray
of
oil
should
be
visible
on
the
paper.
If
there
is
no
trace
of
oi I
or
an
excess
of
oi
I
on
the
paper,
proceed
with
the
following
steps:
1. Tip
machine
and
loosen
control
valve
set
screw
l shown in Figure 8
and
return
machine
to
upright
position.
2.
Turn
control
valve
screw 2 shown in
Figure 9
clockwise
for more
oi
I;
counter-clockwise
for less
oi
I. Re-
tighten
control
valve
set
screw
1.
be
made
between
adjustments
to
insure
uni-
form
oil
flow.
After
each
adjustment
of
oil control
valve,
set
screw
should
be
securely
tightened.
THREAD
LUBRICATION (Figure
10)
The oi I reservoir for
thread
lubrication
can
be
filled
through
hole
3 in the
oil
regulating
screw
4.
The
oil
flow
can
be
regulated
by
turning
the
oi I
regulating
screw 4
counter-
clockwise
for more
oil.
Turn
the
oil
regula-
ting
screw
4 in
the
clockwise
direction
to
decrease
the
oil
flow.
When
the
screw
4 is
turned
in
the
clockwise
direction
until
it
reaches
the
stop,
the
oi I flow
is
discontinued.
Figure 10
Figure 8
Figure 9