Working hydraulics circuit I 251 of the on-board computer goes on. Snow plough load relief is switched on. If you have selected the automatic snow plough system, the snow plough is raised when you engage reverse gear. Selecting the automatic snow plough sys- tem: Automatic snow plough system Switching snow plough load relief back to standby mode using the buttons on the steering wheel X Call up the Hydraulics menu window ( Y page 237). X Press the r or s button to select snow plough load relief. X Switch on snow plough load relief ( Y page 248) X Press the 9 button until the snow plough has been fully raised. The indicator lamp in button O flashes. Snow plough load relief is in standby mode.
The symbol for the snow plough load relief has a coloured border. X Select Automatic Snow plough ; see Set- tings, automatic ( Y page 242). Switching the snow plough to the float setting Hydraulic system X To switch on snow plough load relief again: press and hold the 9 button on the steering wheel. Red hydraulic connections 1 and 2 are in the float setting as long as the 9 button is pressed. The snow plough is applying full weight to the road. X Release the 9 button on the steering wheel. 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. The sym- bol for the snow plough load relief is col- oured. Switching off snow plough load relief X Raise the snow plough. X Press button O . The indicator lamp in button O and the X indicator lamp in the status area of the on-board computer go out. or X Switch off the hydraulic system ( Y page 230). or X Turn the key to position 1 in the ignition lock. Z