HTC 420 VS Manual - Page 26

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Operation

4.7. Control

The machines functions can be controlled using the control panel -
see Figure 3-3 on page 9.
During operation, the operator pushes the grinder forward over the
floor surface.

4.7.1. Standby

In order to activate the machines functions, turn thePowerknob
to"I".Once the knob set to this position, the Power indicator on the
control panel lights up, indicating that the machine is in stand by
mode.

4.7.2. Emergency stop switch

The emergency stop switch, (EM-Stop) must only be used in an
emergency.
When the switch is pressed, all electrically-operated equipment in
the machine is turned off.
Note!
Do not use the emergency stop switch to stop the machine other
than in emergencies, as it causes wear to the contactor.
Note!
As long as the emergency stop switch (EM-Stop) is pressed, the
machine cannot be started. Reset by turning the switch 45° so that
it pops out again. The machine can then be restarted.

4.7.3. Starting the machine

For a description of the control panel, see Figure 3-3 on page 9.
1.
2.
3.
4.
5.
18
Insert the cord.
Make sure the emergency stop switch has not been
activated.
Turn the Power knob to "I" so that the electronics are
activated.
Set the speed for the grinding discs using the Speed knob.
Turn the Grinding knob to "FWD".
HTC 420 VS
2.0