NSK Varios 170 Operation Manual page 5

3. Mounting and Removing the Handpiece
Align the Dots on the Handpiece and the Handpiece Cord. Push
handpiece into connector.
To remove the handpiece, grip the Handpiece and Handpiece
Cord and pull to part handpiece and cord. ( Fig. 1 )
WARNING
To avoid Electrical Shock Do not touch the handpiece
backend electrical contacts.
CAUTION
• Always confirm that the handpiece is correctly seated and locked into place.
• Do not connect or use Handpiece other than included one ( Varios2 handpiece ) .
4. Mounting and Removing Tip
1 ) Turn Tip lightly by hand, and install it. (Fig.2)
2 ) Tip will insert from the bottom hole of Tip Wrench. Align the four corner of the Tip base area into the four corner of Tip
Wrench. And turn it clockwise until it clicks. (Fig.3)
Do not touch the top part of Tip to avoid an injury. (There is the case that is longer than height of TIP WRENCH)
To remove the Tip, turn it counterclockwise with the Tip Wrench.
Caution for Tip Usage
• Check the Tip before use. ( Flush, Damage, Bending or Rust )
• Do not exceed Maximum Power Level for Tip. Damage to tooth structure and Tip may result.
• Do not hit ceramic prosthesis with Tip during scaling. Tip Damage may result.
• Do not hit metal or prosthetic crown except for removing them. Tip could break and fall into mouth.
• Do not hit gingival, mucosa and/or skin. It could cause damage and/or burn injury.
• Do not sharpen and/or bend the Tip. Tip may damage and not generate enough vibration during scaling.
• During cutting, Tip will gradually wear away, as the Tip wears the stroke will get smaller and decrease cutting
efficiency when level drops too far, change the Tip. ( Tip card check )
• DO ENSURE when securing Tip to use the Tip Wrench as supplied, inefficient cutting will result.
• DO ENSURE before attaching Tip, Cleanliness of the Tip Screw, inefficient cutting will result.
• To avid personal injury DO ENSURE Tip is removed prior to disconnecting the handpiece.
• If you feel the Tip is not vibrating, remove it from an operative site, and press the Foot Control of Unit Chair again.
If this does not improve the condition, Ensure the Tip is secure, turn the power off and restart it.
• When mounting the Tip, always use groves and Tip Wrench as supplied.
• Ensure that water volume of Unit Chair must be "0", when you use Tip which does not appear of water.
• Tip Wrench is consumable For reliable operation replace annually.
Tighten
Fig.2
4
Dots
Handpiece Handpiece backend
Tip Wrench
Loosen
Loosen
Handpiece Cord
Fig.1
Tighten
Fig.3