NSK Ti-Max X450L Manuel D'opération page 16

· Do not use the dry cycle if the sterilizer chamber temperature may exceed 135˚C.
· Autoclave sterilization is recommended for this product. The validity of other sterilization methods is unknown.
· Do not touch the handpiece immediately after autoclaving as it will be very hot.
NOTICE
NSK recommends Class B sterilizers as stated in EN13060.
8. Replacing the O-rings (X450L / X450)
Replace the O-rings if water is present in the exhaust air line. ALWAYS change the complete set of O-rings.
1) Loosen and Remove the taper ring at the rear of the handpiece. (Fig. 14)
Taper Ring
15
Fig. 14