Procedures
0
-O.Oimm
0
X
X
(Note)
This adjustment
is
carefully done before shipment
so
that
it
is
not
necessary
to
do it. However,
if
it
is
needed,
do it very carefully.
16
Make
sure it that upper and lower knives are engaged
and lower knife
is
pressed against upper knife
by
spring
and then fasten lower knife holder.
17
Place the thread between upper and lower knives in the
fore and rear parts, and
see
that the thread can be
sharply cut.
Thread
1§1
FEED AND
PRESSER
FOOT MECHANISM
Procedures
1 Remove needle plate.
2 Adjust chain feed dog
0 at the same level
as
main feed dog.
(In
case
of
thicker thread and knitting wool and/or chaining-off hardly come out, adjust chain feed dog to
a height
of
0.3
"'0.5mm
below main feed dog.)
3 Turn the pulley until under looper to the left mostly, temporarily fasten main feed dog
• on main feed
bar
O.
4 Temporarily fasten differential feed dog 8 on differential feed bar C).
5 Install needle plate on needle plate support bracket.
6 Turn the pulley until feed dogs are raised to the highest position, and adjust them to the following height
above the top
of
needle plate.
l.Omm for thin materials
1.3
mm for medium materials
1.5
mm for thick materials
However,
in
case
of
denim specification
of
safety stitch, its height
is
1.3mm.
-23-
Q'ty
of
screw
2
1
2
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