3
EN DE FR ES IT PT
•Supplycoolantwaterandcoolantairwhile
usingthehandpiece.Nosupplyingthe
coolantwaterandcoolantairmayleadto
overheating,causingburninjuriesorproduct
failure.
•Donotusethehandpieceforpolishing
purposes.Polishingpastecouldenterthe
handpiece,causingthefailureofthePush
Buttonorburninjuriesduetotheoverheating
ofthehandpiecehead.
•Keepanydebrisorotherforeignmaterials
awayfrominsidethegearorthehandpiece.
Foreignmaterialsremaininginsidemaylead
tooverheating,causingburninjuriesorother
accidents.
•Ballbearingsarewearitemsandmay
requirereplacement.Besuretoinspectthe
handpiecebeforeuse(Referto"7.Checking
theHandpieceBeforeEachUse").
Ifabnormalvibrationornoisearefound,the
bearingsorotherinternalpartsmaybeworn
outordamaged.Damagedpartsmayleadto
handpieceoverheatingcausingburninjuries.
Ifoverheatingissuspected,stopusingthe
handpieceimmediatelyandcontactyour
AuthorizedNSKDealer.