Periodical Maintenance Checks - NSK Varios 370 Operación Manual

10-3 Changing Water Filter (Option)
Change the water filter as necessary.
1) Close the water valve of the Chair Unit.
2) Mount two Spanner Wrenches (5x8) and turn those as shown in Fig.21.
3) When the Water Filter case is separated, the Water Filter can be removed as shown in Fig. 22.
4) Replace with new (Order Code U387042) and reassemble the filter in the reverse order.
Varios 370/
Varios 370 Lux
Water Filter Case
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Periodical Maintenance Checks

In order to use the product properly and safely, perform operation checks once a year following the steps shown
in "3. Prior to Operating System", "4. Mounting and Removing the Handpiece", "5. Mounting and Removing Tip",
and "6. Operating Procedures".
Contact your Authorized NSK Dealer if any abnormalities are found.
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Sterilization
• Autoclave sterilization is recommended.
• A utoclave sterilization required first time you use and after each patient as noted below. Take handpiece out
of the packing bag before sterilization.
• ONLY the Tip, Handpiece,Tip Wrench, Tip Holder and Tip Cover S can be autoclaved.
This handpiece can be cleaned and disinfected with a Thermo-Disinfector.
Autoclave Procedure
1) Remove the Tip after use. (Refer to 5. Mounting and Removing Tip)
2) W ipe dirt and debris from the products, and wipe clean with alcohol-immersed cotton swab or cloth. Do not
use a wire brush.
3) Insert into an Autoclave pouch. Seal the pouch.
4) Autoclavable up to max. 135˚C.
Ex.) Autoclave for 20 min. at 121˚C, or 15 min. at 132˚C.
5) Keep the products in the autoclave pouch to keep it clean until you use it.
Sterilization at 121˚C for more than 15 minutes is recommended by ISO17664 and EN ISO17665-1.
Dental Unit
Fig.21
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O-Ring
Water Filter
Varios 370/Varios 370 Lux
Dental Unit
Fig.22