Switching the hydraulic auxiliary drive on/off
1
Hydraulic auxiliary drive button
The hydraulic auxiliary drive can only be engaged
if the following conditions are met:
R
The engine is running.
R
the vehicle speed is less than 60 km/h.
R
the hydraulic fluid has reached operating tem‐
perature.
R
a gear is engaged.
R
the rocking free drive function is switched off.
R
there is no fault that impairs safety or func‐
tion.
The hydraulic auxiliary drive is only engaged
actively and as required when the following driv‐
ing systems are switched off:
R
TEMPOMAT cruise control (
/
page 236)
R
Distance control assistant(
/
page 238)
When the TEMPOMAT or the distance control
assistant is switched on, the hydraulic auxiliary
drive switches to standby mode.
#
Vehicles with a gross combination wegith of
more than 40 t: Select the manual drive pro‐
gram to avoid undesired gear changes and
interruptions in the tractive power in particu‐
larly demanding driving situations
(
/
page 216).
To switch on
#
Press the
F
button.
If the indicator lamp in the
F
button
flashes, the activation conditions (e.g. the
hydraulic oil temperature) have not been ful‐
filled.
The hydraulic auxiliary drive is automatically acti‐
vated as soon as the following activation condi‐
tions are met:
R
the service brake is released.
R
the driving speed is less than 15 km/h.
R
the accelerator pedal is depressed.
If the activation conditions are fulfilled, the indi‐
cator lamp in the
F
button lights up and the
indicator lamp
F
in the instrument cluster
lights up white. The hydraulic auxiliary drive is in
standby mode.
When the front axle is driven, the indicator lamp
F
in the instrument cluster lights up blue.
To switch off
#
Press the
F
button.
The hydraulic auxiliary drive is switched off.
The indicator lamp in the
F
button and the
indicator lamp
F
in the instrument cluster
go out.
The hydraulic auxiliary drive is automatically
switched off in any one of the following cases:
R
the vehicle speed of 60 km/h is exceeded.
R
the hydraulic oil temperature deviates from
the permissible operating temperature.
R
the ignition is switched off.
R
there is a fault that impairs safety or function.
Checking the oil level of the hydraulic auxili‐
ary drive
Before commencing your journey, the oil level
should be checked with the hydraulic system
cold, at an oil temperature of about 20 °C.
#
Park the vehicle horizontally.
234 Driving mode
Содержание Actros
Страница 21: ......