5. Replacing Bobbin Thread/"'F
*(1)~•
Replace bobbin when bobbin dtread is used
up
.
(I
)
To
wind thr
ead
on
a bobbin. install a bobbin
on
pin (
a)
of
the
du-ead
wiuder (Figure
7)
, tum lever (b) down, press
rotary plate against V-belt
and
run
the
machine.
It
is
a
good idea
to
wind thread 3 co 4
cums
on
the
bobbin by
hand before installing
the
bobbin
on
the wi.nder.
(2)
Thread winding diameter should
be
2 ,n,n smaller
than
outer diameter
of
bobbin.
(3) Thread winding diameter
adj
ustme
nt
can
be
made
by
loo
se
ning
screw
(c).
Twn
screw
clockwise
to
make thread
winding diameter large. counterclockwise
make
small.
(4)
Tiuead
winding
can
be stopped automatically by
lever
after
winding
is
finished.
(5)
In
crease spring press
ure
of
thread tension
(d)
in
case
of
onesided thread winding.
Lever(b)
v,~-(
b)
Serew(c)
+;;
(c)
6
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Thread guide
/((
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-1
1-t
Flg.7
From the Library of Superior Sewing Machine & Supply LLC
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