19
.
Before starting the machine check the correspondence between voltage and
frequency according to the data mentioned on the identification plate. Voltage
differences from + 6 % and
– 10 % are allowed.
The grinder is made in protection class I.
Only use extension cables with a sufficient cross-section. A cross-section which is
too small could cause a considerable drop in performance and an overheating of
machine and cable.
Switching on and off
!
Attention!
In case of every automatic stop of the machine or mains
failure, the concrete grinder has to be switched OFF immediately
by pressing the ON/OFF switch. Consequently, you can avoid an
unintentional restart of the machine (physical hazard).
Electrical Connection
7
4
Put the plug in the mains.
Tilt slightly the machine, so that the grinding wheel runs
free when switching on.
Switch ON / OFF switch (4) to "I".
Before switch off tilt slightly the machine again and
switch the ON / OFF switch to "0".
Before put down the machine, wait until the grinding
wheel stops.