IV.
HOW
TO
ADJUST
THE
WIPER
1.
Adjusting
the
position
of
the
wiper
You must adjust the position of the wiperaccording to the thickness of the material to be sewnin
the
following
way;
1)
Rotate
the
handwheel
manually in
the
normal direction so
that
the white
dot
(D
on
the
handwheel
coincide
with
the
red
dot
(D on
the
frame.
r
2) Insert the wiper (D into the wiper driving
shaft
(2) so
that
the
vertical
clearance
between the wiper edge and the needle
point becomes 2 mm and also the parallel
clearance
between
the
needle
center
and
the
straight inside face
of
the
wiper becomes
1 mm. Fix the wiper at such a position by
tightening the lock nut (3) .
2. Adjust
the
position
of
the
wiper magnet
Pull the plunger fully into the coil, loosen the
screw 0 which is clamping the wiper magnet
and
adjust
the
position
of
the
wiper magnet so
that
the wiper tip is positioned with a clearance
of
2
mm
from
the
center
line
of
the
needle.
After
a
correct
position
has
been
obtained,
fix
the
wiper magnet at
that
position by tightening
the screw. When
you
do
not
use
the
wiper,
turn
off
the
wiper
switch.
Wiper
switch
28
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