White 447 - Bobbin Winding; Bobbin Winding Adjustment

LOWER
(BOBBIN)
THREAD
Bobbin
Winding
1.
Place
a
spool
of
thread
on
a
spool
pin,
and
draw
the
thread
from
spool
through
the
rear
arm
thread
guide.
2.
Wind
the
end of
thread
by
hand
around
empty
bobbin
seven
or
eight
turns,
and
place
the
bobbin
on
bobbin
winder
shaft.
Be
sure
the
notch
in
bobbin
fits
over
small
pin
on
shaft.
Push
the
bobbin
toward
the
bobbin
winder
presser
until
a
click
is
heard.
3. Disconnect
the
hand
wheel
from
sewing
mechanism
by
holding
the
hand
wheel
with
left
hand
and
turning
hand
wheel
clutch
toward
you.
4.
Run
the
machine
slowly
to
wind
the
bobbin
evenly.
When
the
bobbin
is
full,
it will
shut-off
automatically.
Then,
break
the
thread
and
remove
the
bobbin.
5. Tighten
the
hand
wheel clutch
by
turning
away
from
you.
Bobbin
Winding
Adjustment
If
the
bobbin
does
not
wind
evenly,
it
may
be
adjusted.
Loosen
the
screw
on
rear
arm
thread
guide
and
move
the
thread
guide
up
or
down
till
perfect
winding
is
obtained.
(A)
Bobbin
winder
shaft
Bobbjnwjnder
Presser
(B)
Bobbin
winder
thread
tension
(C)
-_
A
I
Correct
winding
Incorrect
winding
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