Singer 251-2 - Removing the Sewing Hook

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
28
TO REMOVE
THE
SEWING
HOOK
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H2
143350
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Fig.
45.
Removing
Sewing
Hook
Remove
the
needle,
slide
plate,
throat
plate
and
bobbin
case.
Remove
the
screw
02,
Fig. 45
and
the
bobbin
case
holder
position
bracket
E2, Fig. 45.
Loosen
the
two
set
screws
X, Fig.
45
in
the
hub
of
the
hook
and
turn
the
machine
pulley
over
toward
the
oper-
ator
until
the
feed
bar
C2
is
raised
to its highest
point.
Turn
the
sewing
hook
until
the
thread
guard
F2,
is
at
the
bottom,
as
shown
in
Fig.
46.
Turn
the
bobbin
case
holder
G2,
Fig.
46
until
the
notch
J2
is
also
near
Fig.
46.
Replacing
Oil
Filter
the
bottom,
as
shown
in
Figs.
46
and
47.
The
sewing
hook
con
then
be
removed
from
the
hook
shaft.
TO
REPLACE
OIL
FILTER
143350
While
the
sewing
hook
is
off
the
shaft,
it
is
advis-
able
to
replace the oil filter
143350,
Fig.
46,
1n
the
end
of
the
hook
shaft.
Unscrew
the
filter
from
the
center
of
the
shaft
at
H2,
Fig.
46
and
replace
with
a
complete
new
filter
143350.