INSTRUMENTS AND CONTROLS TWO-WHEEL STEERING “2WS” (travel) The two-wheel steering mode (2WS) allows the steering wheel to control only the front wheels and must be used when travelling at high speed and on public roads. The two-wheel steering mode (2WS) allows all the available gears to be engaged. NOTE q Every time the machine is started, the two-wheel steering mode (2WS) is automatically selected, even if when it stopped the selected mode was the four-wheel round (4WS ROUND) or the four-wheel crab steering (4WS CRAB). q If the acoustic alarm sounds while the machine is travelling, this means that the rear wheels are misaligned.
The wheels can be realigned only if the speed is below 13 km/h and this operation is carried out by turning the steering wheel, first to align the front wheels (LED 5 on) and then to align the rear wheels (LED 6 on). The realignment operations should be carried out with the machine at rest. FOUR-WHEEL ROUND STEERING “4WS ROUND” (to be used in building sites when the machine must move in small spaces) The four-wheel round steering mode allows the steering wheel to control the front and rear wheels at the same time, but in opposite directions, to perform tight turns in small areas or areas with many obstacles.
The four-wheel round steering can be selected both with the machine at rest and with the machine travelling at a speed not exceeding 13 km/h. Changing over from two-wheel to four-wheel round steering is possible only if the 1st, 2nd or 3rd gear is engaged and after the front wheels have been aligned (LED 5 on). NOTE q The four-wheel round steering cannot be selected when the 4th gear is engaged; the selection of the four-wheel round steering with 4th gear engaged triggers the acoustic alarm that signals that the manoeuvre is not correct.
q If the 4th gear is engaged when the four-wheel round steering mode is in use, the acoustic alarm sounds and the general alarm warning light on the front dashboard comes on (see"3.3.1 pos. 9 - GENERAL ALARM WARNING LIGHT"). q If the travel speed is higher than 20 km/h in 3rd gear, the acoustic alarm signals that the safety limit has been exceeded; the alarm stops as soon as the speed is brought below 20 km/h. q Changing over from four-wheel crab steering to four-wheel round steering is possible only after the front wheels have been realigned (LED 5 on).
q Changing over from the four-wheel steering modes to two- wheel steering is possible even while the machine is moving and only after the rear wheels have been realigned (LED 6 on). 105 CAUTION