Fig. 3 – SINGER WHA-1 User Manual
Page 5
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Fig. 3
Fig. 4
NOTE:
This
machine
uses
standard
15
class
bobbins
available
at
all
sewing
stores.
The
bobbin
can
be
wound
while
machine
is
in
operation
by
not
releasing
the
stop
motion
knob
as
de
scribed
in
below
paragraph.
Therefore
needle
and
bobbin
winder
will
operate
at the same time.
Holding the balance wheel with the left hand,
turn
the
stop
motion
knob
toward
you.
This
will
permit
tne
balance
wheel
to
turn
freely
while
the
needle
bar
remains
motionless.
Place
a
spool
of
thread
on
the
spool
(A).
Pass
the
thread
through
the
tension
disc
(B)
at
right corner
of
the base of the machine.
Now
wind
the
end
of
the
thread
around
an
empyt bobbin seven or eight times and place
the
threaded
bobbin
on
the
spindle
‘(C)
of
t^’e
bobbin
winder.
Press
the
bobbin
into
the
spindle
with
the
left
hand,
making
sure
that
the
PIN
on
the
spindle
fits
into
the
SLOT
in
the
bobbin.
Push
the
bobbin
winder
lever
(D)
down
until
the
small
rubber
wheel
presses against the hub of the balance wheel
and the clasp (E} falls between the sides of
the
bobbin,
holding
it
in
position.
Turn
the
balance
wheel
toward
you
and
proceed
to
operate
the
rheostat
control,
as
in
sewing,
when the bobbin is full, it will release auto
matically
and
stop
turning.
Break
off
the
thread and detach the bobbin from the spindle.
Hold
balance
wheel
firmly
with
left
hand
and
with
right
hand
turn
the
stop
motion
knob
away from you until the machine is tight and
the
needle
bar
moves
with
the
turning
of
the balance wheel.