MAINTENANCE BASICS ELECTRICAL SYSTEM Do not remove or modify electrical components installed in the machine. Only install Komatsu Utility Corporation approved electrical components. When cleaning the machine or during heavy rainfall, pay at- tention that water does not get into the electrical system. If the wiring is wet or the insulation damaged, insulation faults will occur in the electrical system leading to dangerous malfunctions of the machine. When working in coastal areas, clean the system very thor- oughly to avoid corrosion. Do not connect an external power source to fuses, the start switch, or the battery relay. Maintenance of the electrical system comprises: 1.
Checking the tension of the generator belt, 2. Checking the generator belt for damage and wear, and 3. Checking the acid level in the battery. 7-15