Maintenance 5 5.2.2. Specifications of the electrical system If the wiring gets wet or the insulation is damaged, the electrical system leaks resulting in hazardous malfunctions of the machine. Maintenance work at the electrical system includes: 1. check fan belt tension, 2. check damage or wear to the fan belt , 3. check battery fluid level. Never remove or disassemble any electrical components installed in the machine. Never install any electrical components other than those specified by Komatsu. Be careful to keep the electrical system free of water when washing the machine or when it is raining. When working on the seashore, carefully clean the electrical system to prevent corrosion.
The optional power source must never be connected to the fuse, start switch, or battery relay. WA90-5 – VEAM270100 5-17