Ill
Adjusting
the
backward and forward movement
of
the
chain
stitch
looper
!
* The backward and forward movement
of
the chain stitch looper may
be
required
to
change depending
on
the
needle size and sewing condition. ·
( 1)
Loosen
the screw
@),
and remove
the
cover
for
feed mechanism
(B)
0 and
the
packing
@.
(2)
Loosen
the
nut@)
for
the
longitudinal feed arm screw using the attached wrench. Sliding
the
nut
0
to
the
upper end
of
the
longitudinal feed arm
will
increase the backward and
forward
movement;
sliding
it
to
the
lower end
will
decrease it.
Needle
type
and size
DCx27 DCx27 DCx27
#9-
#11
#12-#17
#18-#21
Backward and
forward
movement
2.8mm
3.1
mm
3.4mm
-67-
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