88
88
Connecting the handpiece
Fig. 7.4 changing tool
Replace the tool with the protective pin by rotating the front section of the handpiece clockwise.
The spacer can now be easily removed. Insert the desired tool. Subsequently rotate the front
section of the handpiece anticlockwise until engaged. The handpiece can now be connected to
the control unit.
Collet change
The handpiece is equipped with a Ø 3.0 mm collet, which is exchanged using the special tool
included in the scope of delivery. Firstly, the front head of the handpiece must be screwed off
the motor. Next, mount the chuck key on the collet, simultaneously insert the special tool into the
carrier and rotate according to the illustration in figure 7.6.
release
loose
Never open the handpiece when the motor is running!
The MPH33 micromotor handpiece is factory-fitted with a protective pin (7.4.1) to protect the
collet.
Fig 7.5 Special tool for collet change
Fig. 7.6 Collet change
