6
CAUTION
CAUTION
Fig.8
6. Care and Maintenance
6-2 Changing O-Ring
An O-Ring is located in the Handpiece Cord Connector. Use a pointed tool to remove,
and mount new O-Ring into the groove.
(
Fig. 10
)
* Optional O-Ring: Order No. 0310020080
6-1
Cleaning of Optic Fiber
(
Varios 170 LUX
)
Wipe the debris off the end of the Optic Fibers at the
handpiece with alcohol soaked cotton swab.
(
Fig. 9
)
Do not use any sharp pointed tools to clean the
Optic Fiber End Face. In case the light degradation,
contact your dealer.
How to use the Tip Card
1
)
Place the neck of the Tip in the cut out.
2
)
Check wear of the Tip.
3
)
See the green, yellow and red line to check wear of the Tip. *See below what each color means. At NSK we recommend
to replace a Tip when the Tip meets the yellow line
(
wear of 1mm
)
to guarantee safe and effective use.
Green: No wear - Tip is OK
Tip replacement is not necessary.
Red: Wear of 2mm - Tip is badly worn
Tip replacement is necessary.
Yellow: Wear of 1mm - Tip is showing some wear
Tip replacement is recommended.
Tips are consumables. The efficiency of dental scaling
decreases approximately 25% when the top of the Tip
wears 1 mm and approximately 50% when it wears 2 mm.
In addition, the vibration condition changes owing to the
wear, which may damage a patient’s tooth surface. Check
the Tip wear condition with the Tip Card periodically, and
replace the Tip with a new one in good time.
Fig.10
O-Ring
Fig.9
Optic Fiber End Face
Tip Card
Fig.7
* The Tip Card can be used to check the following
tips : G1, G4, G6, G8, G9, P1/P1D, P10, and P20
1mm
2mm
25%
Decrease
50%
Decrease
Efficiency
Neck
Handpiece
OK
NO
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