Working hydraulics circuit I 249 Switching on snow plough load relief X Activate working hydraulics circuit I ( Y page 244). Hydraulic system X Press button O . The indicator lamp in button O flashes. The Hydraulics input window opens in the on-board computer. The line for load relief function value Z is selected. The symbol for the snow plough load relief has a col- oured border. Snow plough load relief is in standby mode. X To change the load relief function value: using the u or t button on the steering wheel, increase or decrease load relief function value \ . X Press the r or s button on the steer- ing wheel to select the Back entry. X Press the 9 button.
The Hydraulics input window closes. It is now no longer possible to switch the value accidentally. X To switch on using the control lever: press and hold red button A . X Move the control lever in direction B . Red hydraulic connections 1 and 2 are in the float setting as long as red button A is pressed. The snow plough is applying full weight to the road. X Release red button A . The snow plough is raised until the load relief function value has been attained. The indicator lamp in button O lights up and the X indicator lamp in the status area of the on-board computer goes on. Snow plough load relief is switched on. X To switch on using the buttons on the steering wheel:
ensure that the Hydraul‐ ics input window is shown in the on-board computer and the line for the load relief Z