
8
nut
on the motor tail.
B. Disconnect: Unscrew the nut, and then remove the motor tail
from the motor;
3.5.2 Connect/Disconnect motor and contra-angle handpiece
A. Connect: Insert the Head connection sleeve into the contra-
angle handpiece, and then turn the contra-angle handpiece until you
heard a “click” sound, to ensure accurate position;
B. Disconnect: When removing the contra-angle handpiece, pull
out the contra-angle handpiece from the motor in parallel.
3.6 Installation steps
3.6.1 Open the package, check whether the components of the
device are complete according to the packing list, and place the
main unit on the stable platform of the dental unit.
3.6.2 Connect the four-hole handpiece tail of dental chair to the
four-hole handpiece interface of the device and tighten completely.
3.6.3 Connect the power adapter to the DC adapter connector, then
connect the power supply socket to the DC adapter with the power
cord.
4 Main unit interface
4.1 Main interface
Figure 5