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(3)
(4)
(5)
Push
with
a
finger or
a screw
driver the
head
of
the
subsidiary looper
shaft
and
turn it
counterclockwise
to
make
the
subsidiary
looper
tip
fit
into
the
upper looper hole,
as
shown
in
Figure 21.
Turn
the thread
guide
switch
down
to
"2"
(red
color).
(The
switch clicks when
its
red
indicator
comes
in
line
with
the
"2"
marked
red on
the
thread.take-up cover.
Loosen
the
needle
thread tension by turning
the
adjuster
knob
till
its
bottom
line
comes
up
and
meets
the
center
of
the red
strip
zone.
Likewise,
tighten
the
lower
looper
thread tension
by turning the
adjuster knob
till
its bottom
line
comes
down and
meets
the
center
of the red strip
zone.
Subsidiary looper and upper looper
(Figure 21)
Push
and
turn
counterclockwise
Thread guide srvitch
lFigure22l
Thread take-up cover
(Figure 23)
to
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