. OPERATION TROUBLES AND ACTIONS OTHER TROUBLE 3 - 139 Electrical System ( ) : Always contact your Komatsu distributor when dealing with these items. In cases of problems or causes which are not listed below, contact your Komatsu distributor for repairs.
Problem Main causes Remedy Lamp does not glow brightly even when the engine runs at high speed Defective wiring,deterioraion of battery Defective adjustment of fan belt tension ( Check, repair loose terminals, disconnections and replace battery) Lamp flickers while engine is running Adjust fan belt tension For details, see EVERY 1000 HOURS SERVICE Charge level monitor does not go out even when engine is running ( Replace) ( Check, repair) Abnormal noise is generated from alternator Defective alternator ( Replace) Starting motor does not turn when starting switch is turned to ON ( Check, repair) ( Replace) Charge Pinion of starting motor keeps going and out Charge ( Replace) Starting motor turns engine sluggishly Charge ( Replace) Starting motor disengages before engine starts ( Check, repair) Charge Pre-heating monitor does not light ( Check, repair) ( Replace) ( Replace) Oil pressure monitor does not light up when engine is stopped (starting switch at ON position) ( Replace) ( Replace) Outside of electrical heater is not warm when touched by hand ( Check, repair) ( Replace) ( Replace)