Optional Accessories - NSK PRESTO AQUA II Manual Del Usuario

8. Maintenance of Unit
8-1 Draining the filter
Check the filter bowl from the filter inspection window,
and if there is an accumulation of water, insert fingers
from the bottom, and turn the drain cock in the direction
of the arrow to drain water from the filter (Fig. 23). After
draining, securely tighten the drain cock by turning it in
the reverse direction.
8-2 Changing O-ring
(Use of Water Supply Bottle)
Remove the two O-rings at the bottle joint with a pointed
tool, and mount a new nose into the grooves (Fig.24).
* Optional O-ring : Order No.Y900327
8-3 Changing Water Filter
(Use of City Water)
1) Close the water valve of the dental unit to which
PRESTO AQUA II is connected. Mount two (5x8)
spanner wrenches as shown in Fig.25, and turn in the
direction shown. When the water tube becomes twisted
as a result of this, relieve the twisting by turning it, as
its end on the control unit side is free to turn.
2) When the water filter case is separated, the water filter
can be removed as shown in Fig.26.Replace with a
new one and reassemble the filter in the reverse order
(Fig.26).
* Water Filter : Order No. U387042
CAUTION
Assemble the water filter in the correct direction as
shown in Fig.26.

9. Optional Accessories

Part No. Description
Y900327 O-ring set (2 pcs.)
U387042 Water Filter
Z308060 Wall Hanging Bracket Set
O-ring
Water Filter Case Water Filter Case Water Filter Case
O-ring
Water Filter
Control Unit Side
8
Fig. 23
Fig. 24
Fig. 25
Fig. 26