12. OPERATION CHECK ELECTRIC WIRINGS ¤ WARNING If fuses are frequently blown or if there are traces of short circuit on the electrical wiring, locate the cause and carry out repair. 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 clean the breather hole. Check for damage and wrong capacity 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 wiring of the “battery”, “starting motor” and “afternator” carefully in particular. When carrying out walk-around checks or checks before starting, always check if there is any accumulation of flammable material around the battery, and remove such flammable material. Please contact your Komatsu distributor for investigation and correction of the cause. CHECK FUNCTION OF HORN 1. Turn the starting switch to the ON position. 2. Confirm that the horn sounds without delay when the horn button is pressed. If the horn does not sound, ask your Komatsu distributor for repair.
CHECK FOR WATER AND SEDIMENT IN WATER SEPARATOR, DRAIN WATER (OPTION) The water separator separates water mixed in the fuel. If float 2 is at or above red line 1 , drain the water according to the following procedure: 1. Loosen drain plug 3 and drain the accumulated water until the float reaches the bottom. 2. Tighten drain plug 3 . AE082240 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”. 2-46