For diesel generator sets that have been working under heavy load for a long time, it is necessary to strengthen regular and irregular shifts to check the generator carbon brushes, and try to use infrared thermometers to measure the temperature of the slip ring and carbon brushes, especially in summer peaks or working environments If the temperature is too high for a long time, it is necessary to shorten the temperature measurement interval as much as possible, and check the replacement of the new carbon brush. If the carbon brush current is too large or too small, it should be adjusted in time. If it is not handled well, it should be notified for maintenance.

Do cleaning and soot blowing work during maintenance, and try to keep the smooth surface of carbon brush and commutator slip ring clean. In case of downtime, the slip ring, carbon brush, carbon brush holder and slip ring cover should be thoroughly cleaned and inspected for maintenance. Special attention should be paid to the treatment of oil pollution.

The carbon brush compression spring should be adjusted during maintenance to prevent uneven pressure caused by jamming. The pressure of the carbon brush compression spring should comply with the manufacturer's regulations, and the carbon brush should bear the pressure evenly. Prevent individual carbon brushes from overheating, sparks, and scorching of the brush braids. Problems in carbon brush operation must be eliminated in time to avoid a vicious circle and endanger the normal operation of the unit.

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