U]
Upper
shaft
1.
Insert the upper shaft O from the rear of the arm,
and after passing it through the timing belt
attach the reduction gear O and worm
O-
2. To put the timingbeltO onthetimingpulley, push
the timing belt O from the side onto the pulley
while turning the upper shaft
O.
Insert the screw
stop
on the bearing case so
that
it
comes
to the left
when
looking
from
the
rear
of
the
arm.
3. Tighten the bearing case screw
O-
4. Mesh the reduction gear O with the auxiliary shaft
gear and of the two screws O tighten the one
that
is forward with respect to
the
direction
of
rotation
so
that
it is against the screw stop.
5. Of the two
screws
O on the wormO temporarily
tighten the one
that
is forward with respect to the
direction
of
rotation.
6. Increase the tension of the timing belt so
that
there
is 10 kg/cm torque on the idler pulley
arm
shaft
0.
If the
torque
is
too
strong
or
too
weak at this time,
the
noise
will
increase.
-26-
0
0
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