6
WARNING
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Immediately after a treatment, the handpiece should be cleaned, lubricated and sterilized. Failure to
properly maintain the handpiece may lead to overheating, causing burn injuries or product failure.
(Refer to "13. Post-use Maintenance")
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If blood infiltrates inside a handpiece, an automatic handpiece cleaning and lubrication system may
not totally clean the internal handpiece components, which may lead to internal blood coagulation.
Coagulated blood inside the handpiece may cause handpiece failure and overheating, causing burn
injuries. To avoid the risk, NSK recommends to immediately lubricate those handpieces with PANA
SPRAY Plus / PANA SPRAY.
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Depressing the Push Button while the handpiece is in rotation may lead to overheating, causing burn
injuries or product failure. Avoid the push button to contact with any oral tissue. (Except for FX22)
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Supply coolant water and coolant air while using the handpiece. No supplying the coolant water and
coolant air may lead to overheating, causing burn injuries or product failure.
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Do not use the handpiece for polishing purposes. Polishing paste could enter the handpiece, causing
the failure of the Push Button or burn injuries due to the overheating of the handpiece head.
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Keep any debris or other foreign materials away from inside the gear or the handpiece. Foreign
materials remaining inside may lead to overheating, causing burn injuries or other accidents.
Ř
Ball bearings are wear items and may require replacement. Be sure to inspect the handpiece before
use (Refer to "11. Check before treatment"). If abnormal vibration or noise are found, the bearings
or other internal parts may be worn out or damaged. Damaged parts may lead to handpiece
overheating causing burn injuries. If overheating is suspected, stop using the handpiece immediately
and contact your Authorized NSK Dealer.
CAUTION
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When operating the product always consider the safety of the patient.
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Users are responsible for the operational control, maintenance and continual inspection of this
product.
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Prior to clinical use, inspect the handpiece. Check for vibration, noise and overheating. If any
abnormalities are found, stop using the handpiece immediately and contact your Authorized NSK
Dealer. (Refer to "11. Check before treatment")
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Do not disassemble or alter the handpiece except as recommended by NSK in this Operation Manual.
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Do not allow any impact on to the product. Do not drop the product.
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Operators and all others in the area must wear eye protection and a mask when operating this
handpiece.
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Do not use burs with problems listed below as the bur may break, seize up or disengage from the
chuck.
- Bent, deformed, worn, rusted, broken, deficient bur.
- Bur which is cracked on the edge or axis.
- Non-ISO(EN ISO) standard, or tampered bur.
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Do not use burs other than specified in "16. Specifications" as such burs may be accidentally
released or break during rotation.
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Always keep the bur shank clean. Dirt or debris in the chuck could cause poor bur concentricity or
low chuck retention force.
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Always insert the bur all the way into the chuck. If insertion is insufficient, premature failure of the
bearings or accidental release of the bur may occur.
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Do not exceed Max. Bur Length shown in "16. Specifications".
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Always follow the instructions provided by the bur manufacturer.
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Do not exceed the bur speed recommended by the bur manufacturer.
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Should the handpiece function abnormally during use, stop using the handpiece immediately and
contact your Authorized NSK Dealer.
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Do not use the following fluids to wipe, immerse or clean the product; strong/super acid water,
Contra Angle Handpiece (FX22/FX23/FX25/FX25m)
