OPERATION MACHINE OPERATIONS AND CONTROLS OPERATIONS BEFORE STARTING ENGINE G 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, regardless 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. Set the control lever to the neutral position. When starting the engine, never touch the knob button. 3.
Insert the key in starting switch (2), turn the key to the ON position, then carry out the following checks. 1) The buzzer will sound for approx. 1 sec, and the fol- lowing monitors and gauges will light up for approx. 3 sec. G Charge level monitor (3) G Engine oil pressure monitor (4) G Swing lock monitor (5) G Engine water temperature gauge (6) G Fuel gauge (7) If the monitors or gauges do not light up or the buzzer does not sound, there is probably a broken bulb or discon- nection in the monitor wiring, so contact your Komatsu distributor for repairs. 3-53 WARNING