Common Faults of Diesel Generators
2025-05-28
1. Difficulty Starting:
Check if the starter battery is fully charged; maintain or replace it if necessary.
Ensure there is sufficient fuel and check if the diesel pump is functioning normally.
Inspect the engine for loose screws and ensure all connections are secure.
2. Overload:
If the generator is overloaded, quickly reduce the load and monitor the temperature of all parts of the generator to ensure it does not exceed the specified value.
Check the cooling air temperature and whether the dust filter is clogged, and clean it if necessary.
3. Abnormal Temperature:
If the temperature of the generator's windings and core abnormally increases, quickly reduce the load and check whether the cooling system is functioning properly.
Check whether the inlet and outlet valves of the air cooler are closed to ensure proper cooling airflow.
4. Fuel system issues:
If water is present in the fuel, replace the fuel and consider installing a fuel/water separator.
If the fuel filter is clogged, replace it regularly to ensure smooth fuel flow.
5. Electrical faults:
Check if the electronic governor is functioning normally and ensure the throttle and ramp speed potentiometers are correctly set.
If the generator's instrumentation malfunctions during operation, inspect the instruments and their circuits for damage.
Maintenance Recommendations
Regularly inspect and maintain the diesel generator, including replacing the air filter and fuel filter to prevent blockages.
In low-temperature or high-altitude environments, appropriately extend the idle running time to ensure the engine warms up properly.
Record the generator's operating status, promptly identify and address any abnormalities to extend the equipment's service life.
By following the above methods, common faults in diesel generators can be effectively addressed to ensure their normal operation.
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