4
CAUTION
If the bur turn and it can not match the D-shape area, connect the motor then connect it again. 
(
Fig.1
)
Fig. 2
2
3
1
X20L
X15L
2-2 
Removing
Press the button and pull the bur from the head.
(
Fig.3
)
Fig. 3
2
1
b
)
 X20L/X20,X85L/X85,X95L/X95 
(
FG bur
)
1
)
 Mount handpiece and Micromotor.
2
)
 Depressing the pushbutton and insert the bur into the chuck. 
(
Fig.2,   ,   
)
3
)
 Make sure it inserted firmly till the end of the head. Do not push the Push Button. 
(
Fig.2, 
)
1
2
3
3. Check before treatment
Check that the Head Cap is firmly tightened. Also check for handpiece vibration, noise and overheating. If any 
abnormalities are found do not use the handpiece and contact your Authorised NSK Dealer.