OPERATION OPERATION OPERATION AND CHECK BEFORE STARTING ENGINE G When starting the engine, check that the safety lock lever is securely at the LOCK position. If the control levers are not locked and they are touched by accident when starting the engine, the work equipment may move unexpectedly, and this may lead to a serious accident. G When standing up from the operator’s seat, always set the safety lock lever to the LOCK position, regard- less of whether the engine is running or stopped. 1. Check that safety lock lever (1) is at the LOCK position. 2. Check the position of each lever. 3.
Insert the key in starting switch (2), turn the key to the ON position, then carry out the following checks. 1) The buzzer sounds for about one second and the fol- lowing monitors and meters light up for about 3 sec- onds. G Charge level monitor (3) G Engine oil pressure monitor (4) G Swing lock monitor (5) G Engine water temperature gauge (6) G Fuel level gauge (7) If the monitors or gauges do not light up or the buzzer does not sound, there is probably a broken bulb or disconnection in the monitor wiring, so contact your Komatsu distributor for repairs. After approx. 3 seconds, only the following meters will light up; the other lamps will go out.
G Charge level monitor (3) G Engine oil pressure monitor (4) G Engine water temperature gauge (6) G Fuel level gauge (7) 3-43 WARNING