NSK Ti-Max X-SG20L Mode D'emploi page 12

CAUTION
Always keep the bur/drill shank clean. Debris in the chuck could cause poor bur/drill concentricity or low chuck retention force.
Always insert the bur/drill all the way into the chuck. If insertion is insufficient, premature failure of the handpiece head
bearings, or accidental release of the bur/drill, may occur.
Do not exceed Max. Bur/Drill Length shown in "10. Specifications".
Do not exceed the bur/drill speed recommended by the bur/drill manufacturer.
Do not insert or remove the bur/drill until rotation has completely stopped.
Do not apply excess pressure to the bur/drill as it may break or bend and become difficult to remove.
After the bur/drill is locked in place, pull and push the bur/drill to make sure the bur/drill is locked.
Depress the push button until it is almost parallel to the head cap.
If removing the bur/drill is difficult, grip the bur with fine pliers while depressing the Push-button, and gently remove the bur/
drill. This situation can be avoided by frequently mounting and removing the bur/drill.
6. Spray Nozzle
Three irrigation methods are available for X-SG20L / SG20; External, Internal or both simultaneously, depending on the instrument
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and operation procedure.