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Baby Lock BL3-407 Instruction Booklet page 9

2-thread/3-thread overedging sewing machine

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(3)
a
(1)
(2t
How
to
set
looper
thread
Open
both
knife
cover and
side
cover.
Set
the
upper
looper thread
according
to
the
'pink
code.'
Draw
out
the thread about
1
0 cm away
from
the
presser
foot'(see
Figure 14 and
Figure
15).
Set the lower
looper thread
in
accordance
with
the
'yellow
code.'
The
lower looper may be
threaded
most
easily
in the
following
manner:
Turn the flywheel
clockwise
to
bring
the
lower looper
to
the
far
left.
Thread
through
the
lower looper
thread
guide
@
and
the lower
looper
first
hole
@
while looking through the
thread
f
inder.
Then bring the lower
looper
to
the
far
right
and thread
it
through
the
lower
looper
second
hole @
.
Draw
out the
thread
about
10
cm
away
from
the
presser
foot
(see
Figure 14
and
Figure
15).
Close
both
knife
cover and
side cover.
*
A
threading guide
is
charted on
the
back
side
of the
side
cover.
Threading loopers
Thread
finder
(for
lower
looper
th read
)
\"(
t,E
ii
bi
'o/
:f(ffi
(Figure
141
7

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