Singer 251-2 - Setting Sewing Hook Sideways

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
22
TO
SET
THE
SEWING HOOK
SIDEWISE
IN
RELATION
TO
THE
NEEDLE
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Fig.
36.
Hook
Point
Passing
th•
Needle
Fig.
37.
Flat
of
Hook
Point
Clearing
the
Needle
Scarf
Fig.
38.
Preparatio"
for
Setting:
Loosening
Bevel
Gear
PREPARATION:
Remove
slide
plate,
throat
plate
and
bobbin
case,
Seat
needle
correctly
in
needle
bar,
as
instructed
on
page
8.
Time
the
sewing
hook
as
instructed
on
page
21.
CHECK:
When
point
of
sewing
hook
passes
needle,
clearance
between
hook
point
M,
Fig.
36
and
needle
should
be
approximately
equal
to
thickness
of
a
piece
of
ordinary
notepaper
(about
.005
inch),
as
shown
in
Fig.
37.
NOTE:
Not
only
point
of
sewing
hook
but
entire
"FLAT"
of
hook
point
should
clear
scarf
on
needle
blade.
SETTING:
Loosen
screws
#1
and
#2
in
hub
of
hook
shaft
bevel
gear
P,
Fig. 38.
Loosen
hook
shaft
bushing
set
screw
N, Fig.
40,
page
23.
CAUTION:
MAKE CERTAIN THAT
THE
TWO
BEVEL
GEARS
ARE
KEPT
IN
MESH UNTIL
SET
SCREWS
#1
AND
#2
ARE
SECURELY
RETIGHTENED.
Using
a
light
mallet
and
a
l /
4
inch
brass
drift
pin,
as
shown
in
Figs.
39
and
40,
move
hook
assembly
either
toward
or
away
from
needle,
as
required.
TAP VERY LIGHTLY
on
drift
pin
to
avoid
injury
to
hook
assembly.
Securely
tighten
screw
N,
Fig.
40.
Remove
all
end
shake
from
hook
shaft
by
pushing
the
hook
assembly
firmly
against
front
hook
shaft
bushing
and,
at
the
same
time,
pushing
hook
shaft
bevel
gear
P,
Fig.
38
toward
the
hook
on
the
shaft.
Then
securely
tighten
screw
#1,
Fig. 38;
then
screw
#2.
Replace
bobbin
case,
throat
plate
and
slide
plate.