BRASSELER USA NL4500 Operation Manual page 9

High speed air turbine handpiece
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Notice
• Do not use a sharp tool to clean the Cellular Glass Optic Rod. It could damage the glass and reduce the light transmission.
Caution
• Ensure the bur is fully seated in the chuck before use.
• Do not attempt to remove the bur until it has come to a complete stop.
• Do not use dirty, worn or used single use burs.
• Debris from the bur shank that is introduced into the chuck could cause the bur to slip and prevent the handpiece from
fully gripping the bur.
• Do not exceed the bur speed recommended by the bur manufacturer.
• Do not exceed maximum bur length recommended by Brasseler USA.
• Do not apply excess pressure to the bur as it may break or bend or become difficult to remove.
• Damaged burs may break at high rotation speeds or slip from the chuck. Always inspect the bur before use and do not use
any bur with damage that includes but not limited to:
• Bent, deformed, worn, rusted, broken bur.
• Cracked.
• Non-ISO standard or tampered bur

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