Komatsu — 3.3.2 SIDE INSTRUMENTS

INSTRUMENTS AND CONTROLS 15 - BACKHOE BOOM LOCKING BUTTON This is a button that automatically returns to position OFF and is used to couple the safety lock to the boom when the backhoe is not going to be used or when the machine travels on roads. Press the button (LED on) to lift the safety lock; this is indispensable to position the boom correctly before the coupling operation. Release the button (LED off) to lower the lock and couple it to the boom. For the use see "3.3.6.1 pos. 8 - BACKHOE BOOM LOCKING BUTTON".

16 - HAZARD FLASHERS This button operates both direction indicators at the same time and must be used whenever, while travelling on roads, the machine is temporarily parked/stopped on the roadway or in any case in anomalous position. RWA20210 17 - PARKING LIGHTS AND LOW BEAM SWITCH This is a two-position switch; with one click it switches on the parking lights and instruments, with two clicks it switches on the low beam. The parking lights can be switched on even with the machine at rest. 18 - FOUR-WHEEL DRIVE SWITCH When pressed (LED on), this switch engages the four-wheel drive. When the switch is pressed, also the warning light pos.

(2) on the front instrument panel comes on (see "3.3.1 pos. 2 - FOUR-WHEEL DRIVE WARNING LIGHT"). When pressed again (LED off), it disengages the four-wheel drive. IMPORTANT q When travelling at high speed and on roads, disengage the four-wheel drive. q The four-wheel drive is automatically engaged when the brake pedals are pressed, and only with the 4th gear engaged. 81