• If the head is heating abnormally, stop using the handpiece immediately and contact your Authorized NSK Dealer.
• Be sure to take the step "9-1 2)" before removing the bur. If the handpiece operates without the bur, it may cause burn injuries due to sudden heat generation.
In addition, the motor insert could be damaged which may lead to difficulty in connecting and disconnecting the handpiece.
3) Remove the bur from the handpiece using tweezers to firmly hold the bur. (Fig. 7)