Check Before Treatment - NSK FX65 Manual Del Operador

4-2 To Remove the Bur
Turn the Bur Lock Ring in the direction of the "
then remove the bur.
CAUTION
• Make sure to align the mark with " " mark. If those marks are
not completely aligned, it may cause handpiece overheating or
patient burn injuries.
• Always insert the bur fully into the chuck. Insufficient insertion of
the bur could cause premature failure of the bearing.
• Remove the bur only after the handpiece has completely stopped
rotating.
• Do not rotate the handpiece when the Bur Lock Ring is turned to
" " (OPEN) position or a bur is not inserted.
• Always keep the bur shank clean.
• Entry of debris into the chuck, via the bur shank, could cause bur
rotation slip and also prevent the bur from being securely located
in the chuck.
• Do not exceed the bur speed recommended by the bur
manufacturer.
" mark until it clicks
• Do not exceed maximum bur length recommended by the
handpiece manufacturer.
• Do not apply excess pressure to the bur as it may break or bend or
become difficult to remove.
• DO NOT use burs with problems listed below as the bur may break
or disengage from the chuck.
- Bent, deformed, anisomerous (worn), rusted, broken, deficient
bur.
- Bur which is cracked on the edge or axis.
- Non-ISO standard, or tampered bur.

5. Check before treatment

Check for handpiece vibration, noise and overheating. If any
abnormalities are found do not use the handpiece and contact your
Authorized NSK Dealer.
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