NSK ULTIMATE XL Mode D'emploi page 15

(3) Insertion of Chuck
Thinly apply oil before insertion. Open the ring,
insert the dummy bur or the bur in use into
the chuck, and turn the chuck clockwise by
hand until it stops. Then, lock the ring, and
the chuck could hold the bur securely.
(Fig. 10)
CAUTION
Before using the handpiece, make sure to pull the rotating instrument (bur, etc.) to check
that it is securely mounted.
3. Disconnecting and Connecting of Motor Cord to Motor
Remove the cord nut at the rear end of the motor, and the motor cord connector can be
pulled out. For connection, align the connector pin and the hole in the motor cord connector,
and insert the connector straight until it stops. Then, tighten the cord nut.
* When inserting the connector, do not turn or twist it.
4. Disconnecting Handpiece from Motor
The handpiece and motor are screwed at the
midpoint. Firmly grasp the motor outer case
and the handpiece outer case and turn it
counterclockwise to disconnect. (Fig. 12)
CAUTION for Handpiece connection
When connecting the handpiece to the motor, turn
the handpiece clockwise and tighten firmly. If the
clutch is not engaged properly, the handpiece cannot
be tightened completely. In such case, Do Not Force.
Loosen the handpiece and turn the bur briefly to
re-position the drive dog. Reconnect the handpiece and tighten securely. (Fig. 13).
Torque Type/Compact Type
13
Turn until finger-tight Turn until finger-tight Turn until finger-tight
Fig.10
Fig.11
Fig.12
Fig.13