Snow Plough Load Relief - Mercedes-Benz Unimog Operating Instructions Manual

Working hydraulics circuit I
248
Float setting, yellow hydraulic connec-
tions 7 and 8
X
To activate the float setting: press and
hold white button G and red button A.
X
Move the control lever in direction C.
X
To deactivate the float setting: press
white button G and move control lever in
direction C or E.

Snow plough load relief

Important safety notes
G
WARNING
If you switch the snow plough load relief or the
hydraulic system on or off while the snow
plough attachment is raised, it may drop sud-
denly. You or others may become trapped.
You could then lose control of the vehicle if it
is moving. There is a risk of an accident and
injury.
Snow plough load relief may only be switched
on or off when the snow plough attachment is
lowered.
Make sure that no other person:
switches on the hydraulic system while the
R
snow plough attachment is raised
is located in the danger zone if the transport
R
lock is detached
With the snow plough load relief, you have the
option of partially transferring the weight of
the attached equipment to the vehicle.
Mercedes-Benz recommends that you only
use the snow plough load relief for the pur-
pose for which it was designed.
The weight shift:
increases the traction on the front axle
R
improves the driving characteristics
R
through better steering and cornering char-
acteristics
reduces the wear on the bottom edges of
R
snow ploughs
reduces the noise level in clearing mode
R
Depending on the weight of the snow plough,
Mercedes-Benz recommends a load relief
function value for the snow plough between
5% and 20%.
The load relief function value set will be
shown in the on-board computer in the
hydraulics ( Y page 235) menu window and in
the hydraulics ( Y page 237) input window as a
percentage:
Load relief func-
tion value in %
100%
50%
1%
Switching snow plough load relief
on/off
Switching snow plough load relief to
standby mode
Meaning
Full pressure in the
hydraulic cylinder.
The snow plough is
raised.
Half pressure in the
hydraulic cylinder.
The snow plough is
applying half its
weight to the road.
Low pressure in the
hydraulic cylinder.
The snow plough is
applying full weight
to the road.