VI. AUTOMATIC PRESSER FOOT LIFTER, AK-2(Optional attachment)
The automatic presser foot lifter
AK-2
is an optional attachment which is capable of lifting the
presser foot and holding it at the heighest position for 10 to 15 secondsafter thread trimming has
been
made.
A special
motor
is used
for
this
lifter
AK-2.
1.
How
to
operate
AK-2
Knee
switch
If you want to raise the presser foot during a
sewing
work,
press the knee
switch.
Such
raised
presser
foot
will be
comming
down
imme
diately
after
the
knee
switch
is
released.
If you want to bring down the presser foot
which
has
been
raised
as
the
result
of
an
auto
matic run, tread on the pedal forwards (toe-
down)
or
push
and
release
the
knee
switch.
2.
Adjusting
the
presser lifter
stroke
1. Loosen the lock
nut
of
the coupler.
2. Lower the presser foot
stopper
(A) fully
by
loosening
the
lock
nut.
3.
Push
the
knee
switch
to
drive
the
solenoid.
4. You can adjust the stroke
of
the presser
foot by rotating the plunger on the far side
of
the
solenoid;
the
stroke
is increased by
a clockwise
turn
and
is decreased by a
counterlockwise
turn.
(The
maximum
stroke
performed
by
the
presser
foot
is
about
8
mm
(5/16")).
5. Raise
stopper
(A)
until
it
hits
the
oil re
servoir by activating
the
solenoid.
6. Raise the
stopper
(A) by rotating it
another
half
turn
after
releasing
the
knee switch.
7. Tighten
the
lock
nuts
of
the
stopper
(A) and
the
coupler
respectively.
8.
Loosen
the
lock
nut
of
the
stopper
(B),
push
the
presser
lifter
lever
towards
the
solenoid
with
your
hand
and
adjust the height
of
the
stopper
(B) so
that
the
playing gap between the
top
end/of
the
knee
lifter
rod
and
the
knee
lifter
connecting
rod
located
on
the
machine
head
become
about
1 mm (3/64"). After obtaining a proper position, retighten each lock nut.
Coupler
Plunger
Presser
lifter
stopper
(B)
Presser
lifter
Stopper(A)
V
Presser
lifter
lever
tM\li
-
30
-
To Next Page
Loading...
Need help?
General
