Preselecting Working Speed; Setting Engine Speed; Constant-Rpm Control - Mercedes-Benz Actros Operating Instructions Manual

308 Working mode
Vehicles with manual transmission: release
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the clutch pedal when the display no longer
shows the power take-off.

Preselecting working speed

Vehicles with Mercedes PowerShift
The working speed can be preselected with the
multifunction lever.
Turn the direction switch to position i .
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The display shows N1 or
previously selected splitter box.
To preselect high working speed: pull the
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multifunction lever briefly upwards.
The fast splitter box is selected and the dis‐
play shows N2.
To preselect low working speed: press the
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multifunction lever briefly downwards.
The slow splitter box is selected and the dis‐
play shows N1.
Vehicles with manual transmission
The working speed can be preselected with the
splitter switch.
To preselect high working speed: pull the
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splitter switch upwards.
The fast splitter box is selected.
To preselect low working speed: press the
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splitter switch down.
The slow splitter box is selected.

Setting engine speed

After the engine is started, the idle speed is regu‐
lated automatically depending on the coolant
temperature.
If auxiliary assemblies such as hydraulic pumps
are operated, the engine must be running at a
certain speed (working speed). The idling speed
—/working speed can therefore be set via the on-
board computer.
Engine Adjustable engine idling speed
OM 470 approx. 500 rpm-800 rpm
OM 471
OM 473
OM 936 approx. 600 rpm-800 rpm
OM 460 approx. 560 rpm-800 rpm
The rpm range can differ for special-purpose bod‐
ies.
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Setting engine speed
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N2 depending on the
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Constant-rpm control

When the constant-rpm control is switched on,
the electronic management system regulates the
programmed working speed of the power take-off
independently of the load.
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Stop the vehicle.
Apply the parking brake.
Shift the transmission to neutral position.
Engage power take-off ( page 307).
/
Select the Driver Assistance Systems menu
item ë in the instrument display.
In the Rotational speed pop-up window,
increase or reduce the engine speed with the
Ñ or q buttons.
Constant-rpm control is used to set the work‐
ing speed control. Regeneration is sup‐
pressed in working speed mode. Switch off
the constant-rpm control after the power
take-off has finished operating. Otherwise
regeneration cannot take place. In vehicles
with a power take-off on the engine, other
body-dependent functions can be activated
in addition to keeping the constant-rpm con‐
trol.
Stop the vehicle.
Apply the parking brake.
Shift the transmission to neutral position.
Activate the transmission-driven or engine-
driven power take-off.
To switch on: press the quick access button
ô of the multimedia system.
The Switch menu is shown in the display.
Press the F button.
To switch off: press the quick access button
ô of the multimedia system.
The Switch menu is shown in the display.
Press the F button.