10
Care and Maintenance
10-1 Replacing the O-rings
Replace the O-rings when symptoms such as leakage of water or air are observed.
10-1-1 Handpiece Cord
1) Remove the Handpiece Cord from the Control Unit.
2) Remove the O-ring to be replaced using a needle, etc (Fig. 43).
3) Place the new O-ring in the groove from where the old O-ring was removed.
* Refer to "21 Spare Parts List" for details about replacement O-rings.
Order Code: Y1003546
10-1-2 Handpiece Hose (for Prophy use and Perio use)
1) Remove the Hose from the Powder Handpiece and Chamber.
2) Remove the O-rings from the Handpiece Hose Plug using a needle, etc. If there
is powder in the O-ring grooves, clean the groove before inserting the new
O-ring.
3) Place the new O-rings in the grooves from where the old O-rings were removed.
4) Apply a drop of the supplied turbine oil and rub it in with your finger (Fig. 44).
* Refer to "21 Spare Parts List" for details about replacement O-rings.
Order Code: Y1003500
Failure to lubricate the O-ring section on the Handpiece side may cause
damage to the Joint section, resulting in difficulty in rotating the
CAUTION
Handpiece connection. It may also cause water leakage.
10-1-3 Nozzle (for Prophy use and Perio use)
1) Pass through the supplied Ring Wrench from the Nozzle end, loosen the Nozzle,
and remove the Nozzle from the Handpiece.
2) Remove the O-rings from the root of the Nozzle using a needle, etc. (Fig. 45). If
there is powder in the O-ring grooves, clean the groove before inserting the new
O-ring.
3) Place the new O-rings in the grooves from where the old O-rings were removed.
* Refer to "21 Spare Parts List" for details about replacement O-rings.
Order Code: Y1003501
25
O-Ring
Fig. 43
O-Ring
Fig. 44
O-Ring
Fig. 45