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264 Driving mode
Select the vehicle level as required and
#
wait until the chassis has reached the
selected level.
Forced lowering
When you engage a power take-off, the vehicle is
completely lowered on all air-sprung axles. This
increases the tipping stability of the vehicle.
If you disengage power take-off, the vehicle
remains lowered until you select a level.
Residual air bellow pressure regulation
Depending on the equipment, it is possible to
readjust the residual air bellow pressure.
Vehicles with residual air bellow pressure read‐
justment: if residual air bellow pressure regula‐
tion is active, the air suspension pressure on
each axle is constantly monitored and, if neces‐
sary, increased/decreased until it matches a par‐
ametrised value.
Vehicles without residual air bellow pressure
readjustment: the air suspension pressure on the
front axle is reduced until it matches a parametr‐
ised value. The air suspension valves are closed
when the set value is reached. On the rear axle,
the vehicle is lowered completely on all air-
sprung axles. The air suspension valves on the
rear axle subsequently remain open.
Automatic deactivation of the special func‐
tions
Special functions are deactivated in the following
cases:
The ignition is switched off.
R
The T button on the operating unit is
R
pressed.
The ¤ button on the instrument panel is
R
pressed.
The ë button on the instrument panel is
R
pressed.
%
If the ignition is switched on again after an
automatic deactivation, the special functions
will remain deactivated. A special function
must, if necessary, be activated manually.
Observe the body manufacturer's operating
instructions when doing this.
Using road paver mode
Activating
In road paver mode, the level control system per‐
manently regulates the driving level, regardless of
operating conditions. This enables the level rela‐
tive to the road paver mode to be maintained and
forced lowering is deactivated.
%
Observe the notes on road paver mode
(
page 269).
/
Press the upper part of the ë button.
#
The indicator lamp in the ë button flashes
and the function is preselected.
Engage power take-off (
#
The ë symbol and an event message
appear in the display. The function is activa‐
ted when the indicator lamp in the ë but‐
ton is lit.
Deactivating
Press the T button on the control panel.
#
or
Press the ¤ button on the instrument
#
panel.
or
Increase vehicle speed to more than
#
10 km/h.
or
Switch the ignition off.
#
The ë message in the display and the indi‐
cator lamp in the ë button go out.
page 307).
/
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