MACHINE OPERATIONS AND CONTROLS OPERATION After approx. 3 sec, the following gauges will remain on and the other monitors will go out. G Charge level monitor (3) G Engine oil pressure monitor (4) G Engine water temperature gauge (6) G Fuel gauge (7) 2) Press lamp switch(8) to turn on the head lamps. If it does not light up, there is probably a blown bulb or disconnection, so please contact your Komatsu dis- tributor for repairs. 3-54