Singer 251-2 - Page 13

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
12
TO
WIND
THE
BOBBIN
See
Fig.
15
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Fig. 15. Winding the Bobbin
Fasten
bobbin
winder
to
table
with
its
driving
pulley
in
front
of
the
machine
belt,
as
shown
above,
so
that
bobbin
winder
driving
pulley
will
make
firm
contact
with
machine
belt
when
thumb
latch
is
pressed
down
and
pulley
will
be
released
from
contact
with
belt
when
sufficient
thread
has
been
wound
upon
the
bobbin.
Place
bobbin
on
spindle,
pushing
it
on
as
far
as
it
will
go
and
pass
thread
through
threading
points,
as
shown
above.
Wind
end
of
thread
around
the
bobbin
a
few
times.
Press
down
on
thumb
latch,
pushing
driving
pulley
over
against
belt,
as
shown
in
Fig.
15.
Start
machine.
Bobbin
winder
will
stop
automatically,
when
the
amount
of
thread
for
which
it is
regulated
is
wound
upon
the
bobbin.
For
more
thread
on
bcbbin,
turn
screw
L
inward;
for
less
thread
on
bobbin,
turn
screw
L
outward.
When
winding
a
bobbin
with
fine
thread,
a
light
tension
should
be
used.
Adiust
the
knurled
nut
U, Fig. 15,
to
regulate
the
tension.
If
thread
winds
unevenly
on
bobbin,
loosen
screw
T
and
move
tension
bracket
Z
to
the
left
or
right,
as
required.
Tighten
screw
T.
Bobbins
can
be
wound
while
the
machine
is
stitching.
NOTE:
Occasionally
apply
a
few
drops
of
oil
to
the
oil
well,
shown
in
Fig.
15,
on
top
of
the
bobbin
winder
frame.