NSK Ti-Max X X450L Manual Del Usuario página 8

5. Insertion & Removal of the Bur
5-1 To Insert the Bur
1) Insert the bur until it is correctly seated in place. (Fig. 4)
2) Depress the Push Button and insert the bur into the chuck until it is secure then release the button.
3) Ensure that the bur is secure by gently pulling and pushing the bur WITHOUT depressing the Push
Button.
5-2 To Remove the Bur
Depress the Push Button firmly and remove the bur.
NOTICE
Grip the handpiece while placing your thumb tip on the Push button which makes it easier to depress the button.
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Fig. 4