Used excavator with longer time or man-made damage will produce a variety of glitches, such as oil plug failure, in which failure is what causes it? How to handle it? Here to tell you about: oil plug common site used excavators are mainly suction tube inside the tank, filter, fuel filter, fuel tank cap vent hole and so on. The main problem caused by blockage of the oil is injected does not meet the standards for diesel, or entering into an impurity during refueling. Prevention the key is to ensure that clean diesel and asphalt sealing, to carry out regular maintenance of the oil, to strengthen the cleaning and maintenance of the fuel filter, clean or replace the filter in time, in time for tank cleaning according to the operating environment conditions, completely remove the bottom of the tank sludge and water. The above is the entire contents of today, hope to help you, our company has a variety of models of used Doosan excavators, welcome to visit our website to find out about, if you have our excavator needs, please contact us, we sincerely look forward to cooperate with you to discuss. For more information, please visit: http: //www.wajuejiyt.com