Note on Item
4:
When using wooly nylon thread for the needle,
de-
crease the thread tension especially low. Stitch
skipping
is
liable to occur,
but
can be effectively
avoided
by
using a
DC
X27 needle.
~-Under
looper
can
r harldy enter.
DC
XI
f
Under looper can
easily enter.
OCX27
xo
/
Pass the thread through the two holes
in
the thread guide
without winding.
Note on Item
5:
Stitches tend
to
become loose on thick knitwork or
rubber-interlaced parts. In
that
case, make an adjust-
ment by lower the over looper and under looper
thread take-up (R).
©
If
stitches skip (Needle and under looper):
1)
Use
a
DC
X27 needle.
2)
Make
an adjustment by only slightly bending the
needle.
fn
Lower
6~
-
'\
Make
under looper contact
needle
0.1 to 0.15
mm
deep.
Pull out needle guard and
adjust clearance between
needle and under looper
to
0 to 0.03mm.
Note on Item
6:
Precautions on blind hemming
1}
Sew
at constant speed.
2) Do not pull the work with
your right hand.
(If
the work
is
pulled,
stitches will be made away from the desired line.)
3}
Push a thicker part
of
material under the presser foot with your left
hand.
Machine adjustments:
1}
Adjust the presser pressure to 2 to 3kg,
or
by about 12
to
15
screw
threads.
2}
Adjust the clearance between the presser foot and the blind hemming
ruler so that the work will easily pass.
3) Adjust the clearance between the blind hemming ruler. An assembly's
tip and the blind hemming ruler so that the work will easily pass.
4}
Adjust hemming width by turning the blind hemming ruler adjusting
screw.
Note
on
Item 7:
If
wooly nylon
is
used for blind hemming, stitches will not skip because
the needle thread tension
is
small. Pass the thread through the two holes
in
the thread guide without winding.
-30-
Q Blind Hemming ruler
Clearance
Clearance
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