12. OPERATION After approx. 3 sec, the following gauges will remain on and the other monitors will go out. e Engine water temperature gauge @) e Fuel gauge PC160/180/200-6k-ENG (2) Press lamp switch @ to turn on the head lamps. lf the lamp switch do not light up, there is probably a broken bulb or disconnection in the wiring, so contact your Komatsu distributor for repairs. ON 2-47