Crane use and maintenance: run-in period of use and maintenance. Manufacturers to provide product maintenance manual, the operator operates the equipment necessary data, used 120 tons crane before operating the machine, be sure to read the maintenance manual, according to the requirements of the specification operation and maintenance. Crane use and maintenance: Note frequently check the oil, hydraulic oil, coolant, brake fluid and fuel oil (water) position and Quality 120 t crane company, and pay attention to check the tightness of the machine. Inspection found excessive oil 120 tons crane lack much money, you should analyze the reasons. While 120 t crane, lubricate all lubrication points should be strengthened, it is recommended in the run-in period, the class must be on the lubrication point lubrication (except for special request).