8.
Adjusting
the
slide
shaft
The
moving
range
of the
slide
shaft
(Fig.34
®) is
5.4mm(7/32").
This
is
adjusted
by
moving
the slide collar (Fig.34 (D) toward the shaft direction. Also, the position of the cam roller shaft arm
(Fig.34 (D) should be 13.5mm(33/64") as
shown
in
Fig.34.
*
The
adjusting
procedure
is as follows:
(D Determine the position of the thread trimming arm stopper depending upon the position of
the
hook
thread
presser.
(D Adjust the position of the slide collar so
that
the moving range of the slide shaft comes to
5.5mm(7/32").
(D Adjust the position of the thread trimmer magnet (DC solenoid).
When
the
thread trimming arm has moved to
the
position were it is almost touching
the
stopper,
adjust the position of the thread trimming magnet so that the snap ring which is attached to the
thread trimming magnet plunger hits the rubber ring and stops and also when the magnet is pulling,
there
should
be
no
clearance
between
the
two
ends
of
the
rubber
ring.
E
20mm
13.5mm
Fig.
34
Fig.
35
9.
How
to
install
and
remove
the
knife
installing base
To remove
the
knife
installing base (Fig.35
®),
do as follows in
order:
®Take
out the sewing hook.
(D Loosen the knife forked base (Fig.35 (D), and pull
out
the
knife forked base pin
(Fig.35
(D).
(D After removing
the
hook
thread presser link hinged screw (Fig.35 (D), and if
the
hook
presser
hinged screw
(Fig.35
®)
knife
installing base set screw
(Fig.35
(D) is pulled
out,
the
knife
installing
base
will
come
off.
To
install
back,
reverse
this
order.
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