Mercedes-Benz Actros 2017, Руководство по эксплуатации

Страница: 275 / 436

Function display
Indica-
tor lamp
in but-
ton
:
Indicator
lamp in
status
area
;
of
the on-
board com-
puter
Description
Off No display The hydraulic addi-
tional drive system
is not activated.
Flashes No display The hydraulic fluid
temperature is too
high or too low.
On White sym-
bol
The hydraulic addi-
tional drive system
is activated and in
standby mode. The
front wheels are
not being driven
yet.
On Blue symbol The hydraulic addi-
tional drive system
is active. The front
wheels are being
driven. The Stabil-
ity Control Assist
and ASR are deac-
tivated.
Activating
X
Vehicles with a gross combination weight of
more than 40 t: to avoid unwanted gear
changes and interruptions in the tractive
power in particularly difficult driving condi-
tions, select the manual drive program
(
Y
page 255).
X Press the F button.
When the indicator lamp in the F button
flashes, the activation conditions have not
been fulfilled.
The hydraulic additional drive system is auto-
matically activated as soon as the following
activation conditions have been fulfilled:
R
the service brake is released
R
the vehicle speed is below 15 km/h
R
you depress the accelerator pedal
When the activation conditions have been ful-
filled, the indicator lamp in the F button
lights up and the
F
indicator lamp in sta-
tus area
;
of the on-board computer lights
up white. The hydraulic additional drive sys-
tem is in standby mode.
When the front axle is being driven, the
F
indicator lamp in status area
;
of the on-
board computer lights up blue.
Deactivating
X Press the F button.
The hydraulic additional drive system is deac-
tivated. The indicator lamp in the F button
and the F indicator lamp in status area
;
of the on-board computer go out.
i The hydraulic additional drive system is
automatically deactivated if:
R
you exceed a vehicle speed of 60 km/h
R
no gear is engaged
R
the hydraulic fluid temperature deviates
from the permissible operating tempera-
ture
R
you switch off the ignition
R
you switch the ignition off and on again
R
there is an error impairing safety or correct
operation
Checking the engine oil level
Before starting the journey, check the oil level of
the hydraulic system when cold at an oil tem-
perature of approximately 20 °C.
X
Park the vehicle on a level surface.
X Apply the parking brake.
X Switch off the engine.
X
Turn cap
:
anti-clockwise and remove it.
X
Pull out the oil dipstick, wipe with a clean, lint-
free cloth and insert again.
Operation
273
Driving mode
Z