111
Double
chain
stitch
looper
mechanism
(2)
2.5mm
(7)
Attach the thread handler bracket
4D)
to
the
bearing
cap
using the stud screw.
(8)
Attach the thread take-up assembly ·
0)
to
the
chain stitch thread take-up shaft
~
using the set
screw
so
that
the thread take-up assembly
(D
is
6
mm
above the thread handler bracket
«!>
when
the needle bar
is
at
its highest position.
NOTE:
Adjust
the
position
of
the
thread take-up
assembly
4)
so
that
it
is
centered
at
the
slo~
of
the thread handler bracket
CID.
(9)
Attach the looper thread guide
@)
to
the
frame
using
the
screw.
(1
0)
Position the thread guide pipe
tD
so
that
it
-55-
protrudes
2.5
mm
from the side
of
the
machine
head, and
secure
it
to
the frame using
the
screw.
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