
2. Selection of speed:
Regulate the speed by turning the speed regulation
(
F
)
towards right. The more you turn to a direction the higher is
the rotating speed.
E.
Before initial application, run the hand piece necessarily
for approx. 30 minutes with approx. 8.000 U/min
(approx. ½ revolutions of the controller). This is necessary to
bed in the carbon brushes of the motor.
Note:
A different running noise between clockwise and counter-
clockwise rotation is normal and caused by bedding in of the
carbon brushes or by running in of bearings.
In cases of malfunctioning:
• Check that the power supply is correct.
• Check if the power LED (
E
)
lights up green.
• If the problems have still not been solved after following these
steps, please consult your service center immediately.
O
PERATING
THE
UNIT
DE
EN
FR
IT
ES
NL
RU
PL
SE
FI
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