Baby Lock BL4-428 Instruction Booklet page 33

26
RESETTING FROM NARROW ROLLED
EDGE
TO FOUR-THREAD SERGING
1.
Open
the
front
and side covers.
2.
Raise presser
foot,
upper
knife blade and
needle
to
highest
position.
3.
Turn the handwheel away
from you (clockwise) until the
"*"
on the handwheel lines up
with
the arrow on the
face
of the
machine.
This
moves
the
loopers away
from the stitch
finger.
(Figure 84)
4.
Turn
the
red
stitch
w¡dth knob
until the
yellow
indicator lines up
with
the"*"
in the
needle plate
window. This
"unlocks" the stitch finger.
(Figure 85)
b.
Gently push the stitch finger
holder
into
its highest
position, aligning the movable
stitch finger
with the
needle
plate. (Figure
86)
CAUTION: Do not attempt
to force the stitch finger into
place.
lf it
does
not move
readily, recheck
steps
2 through 5.
6.
Convert the machine
from two-thread
to three-thread sewing
if
necessary. See
page 24.
7.
Replace
the left-hand needle. Rethread
the
second
needle thread
(orange color-coded
thread
path
).
8.
Set
stitch length and
width to
desired settings. (Figure 87)
9.
Reset tensions
for four-thread
serging. Refer
to the chart on
page 41 '
1
0.
Lower the presser
foot
and
upper knife
blade.
tr
Red indicator mark
Star mark
Handwheel
/=--\
'
Figure 84
Yellow
line
*
Line
Figure 85
5.5
6.5
¿.2
\
I
t.s rl fr
Yellow
líne
Figure 87
Needle
plate
Adjustable
stitch finger
Stitch finger holder
)
Push
Figure 86
4.7
7
32