Sirona Dental Systems GmbH
Operating Instructions SIROTorque L
Bur Speed
Motor Speed
Motor Speed
Gear Ratio
Bur Speed
Motor Speed
Motor Speed
Gear Ratio
Bur Speed
Motor Speed
Motor Speed
Gear Ratio
Bur Speed
Motor Speed
Motor Speed
Gear Ratio
61 74 499 D 3489
D 3489.201.02.02.02
+
+
SIROTorque L
1
2
Gear Ratio
3
Endo
23
+
SIROTorque L
1
2
Gear Ratio
3
Endo
23
+
SIROTorque L
1
2
Gear Ratio
3
Endo
23
+
SIROTorque L
1
2
Gear Ratio
3
Endo
23
Recalling stored handpiece settings
The unit has four save keys (23)
Red – Gear ratio, save key 1
Blue – Gear ratio 1:1, save key 2
Green – Reduction ratio, save key 3
Endo contra-angle handpiece – Endo save key (black)
After the respective save key (23) is briefly pressed, the
corresponding stored settings are recalled and shown
on the display.
The following values and settings are stored in the save
keys at the factory:
Save key 1 (red):
Burr speed 200,000 rpm
Motor speed 40,000 rpm
Gear ratio 1:5
Instrument light ON
Save key 2 (blue):
Burr speed 40,000 rpm
Motor speed 40,000 rpm
Gear ratio 1:1
Instrument light ON
Save key 3 (green):
Burr speed 1,000 rpm
Motor speed 6,000 rpm
Gear ratio 6:1
Instrument light ON
Endo save key (black):
Burr speed 347 rpm
Motor speed 40,000 rpm
Gear ratio 115:1
Instrument light OFF
If the foot switch is actuated while the straight/
contra-angle handpiece is removed from its holder, the
electric motor starts running. At the same time, the
actual motor speed and burr speed as well as the
preselected gear ratio of the handpiece being used are
shown on the display.
If the pedal is pressed to the floor, the maximum
programmed speed is then displayed and attained.
If the air supply can be variably adjusted with the foot
switch, the speed and the displayed speed value will
also vary between the minimum and the programmed
maximum speed.
5 Operation
15