. OPERATION MACHINE OPERATIONS AND CONTROLS Check Electric Wiring WARNING 3 - 66 If the fuses frequ ently blow or if there are traces of sho rt circuits in the electrical wiring, loca te the cause and im mediately erform repairs, or contact your Koma tsu distributo r for repairs. K eep the top surf ace of the battery cle an and check t he b reather hole in the battery cap. If it is c logged with dirt or du st, wash he battery cap to clean the breather h Che disconnection or tr ace of short-circuit ing on the electri c wiring an d no damage to the cove ring. Check also th at there is n o loosened ter minals. If any, tight en them. Moreover, pay pa alternator.
Be sure to check t hat there is no infla mmable material accumulat ed around the battery. If present, remove it as soon as p Check Function of Horn 1. Turn the starti ng switch to the O N position. 2. Confirm that the horn sounds immediately when the hor sed. button is pres If the horn doe s not sound, contac t your Komatsu distributorf repair.