NSK Ti-Max X-SG25L Mode D'emploi page 26

9. Periodical Maintenance Checks
Perform periodical maintenance checks every three months, referring to the check sheet below. If any abnormalities are found,
contact your Authorized NSK Dealer.
Points to check
Head cap is loose
Rotation
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Check that the Head Cap is firmly tightened.
Rotate the handpiece and check for abnormalities such as abnormal rotation, vibration, noise, and
overheating.
Details