NSK S-Max pico Manual De Operación página 17

8. Non-Retraction Valve ( QD Coupling )
To prevent oral fluids drawn into the water line, QD coupling has Non-Retraction valve. If water is beginning
to leaking from handpiece, replace non-retraction valve.
1 ) Remove the back-end gasket.
2 ) Replace Non-Retraction Valve.
9. pico Burs
Bur
Max working length
Max working portion length
Working portion diameter
Grit
16
PC1 PC2
16.5 16.5
1.9 0.4
0.9 0.6
Standard Fine
Y1001817 (3pcs) Y1001818 (3pcs) Y1001819 (3pcs) Y1001820 (3pcs) Y1001821 (3pcs)
PC3 PC4
17.5 16.0
9.0 7.0
1.8 1.3
Coarse
Fig. 13
PC5
14.0
4.0
1.6