12.OPERATION CHECK AIR CLEANER FOR CLOGGING 1. Confirm that the air cleaner clogging monitor does not flash. 2. If it flashes, immediately clean or replace the element. For details of the method of cleaning the element, see "24.2.1 CHECK, CLEAN AND REPLACE AIR CLEANER ELEMENT" CHECK ELECTRIC WIRINGS Check for damage of the fuse and any sign of disconnection or short circuit in the electric wiring. Check also for loose terminals and tighten any loose parts. Check the following points carefully. Battery Starting motor Alternator Please contact your Komatsu distributor for investigation and correc- tion of the cause.
When carrying out walk-around checks or checks before starting, al- ways check if there is any accumulation of flammable material around the battery, and remove such flammable material. An optional net is prepared to be fitted to the vent of the top outer cover of the battery to prevent combustible material from entering the bat- tery. CHECK FOR WATER AND SEDIMENT IN WATER SEPARATOR, DRAIN WATER The water separator separates water mixed in the fuel. If float is at or above red line , drain the water according to the following procedure: 1. Loosen drain plug and drain the accumulated water until the float reaches the bottom. 2. Tighten drain plug . PC130/150LGP-6K ENG 3.
If the air is sucked into fuel line when draining the water, be sure to bleed air in the same manner as for the fuel filter. See "24.7 EVERY 500 HOURS SERVICE". 2-41 WARNING • If the fuse blows frequently, or there are traces of shortcircuiting in the electric wiring, always locate and repair the cause. • Accumulation of flammable material (dead leaves, twigs, grass etc.) around the battery may cause fire, so always check and remove such material. • Keep the top surface of the battery clean and check the breather hole in the battery cap. If it is clogged with dirt or dust, wash the battery cap to clear the breather hole. WARNING