33
32
Fig. 5
Fig. 6
NOTICE
– After the needle/drill is locked, gently pull the needle/drill to ensure that the needle/drill is securely locked.
– If the needle/drills are not installed securely, they may fl y out or be hard to be removed.
2.3.2 Disassembly
Press the button with your thumb and remove the needle / dental drill. (Figure 7)
Y shape water hose
Water injection
hose
Fig. 3
Contra-angle
Motor plug
Motor
Fig. 4
2.3 Installation/Disassembly of needle/dental drill
2.3.1 Installation
– Plug the needle/dental drill into the head.
– Gently turn the needle / dental drill to trigger locking device. (Figure 5)
– Push the needle / drill inward. If the needle / drill are tightly locked, there will be a “click” sound. (Figure 6)