A representation, the model standard gantry cranes code, rated the quality of the span, working-level features four main elements represented models. Second, single girder gantry crane its symbol has: MDG, MDE, MDZ, MDN, MDP, MDS. Such as: MDN- single girder trolley single grab gantry crane hook; MDS- single girder trolley with three gantry cranes. Third, the dual-beam gantry crane has its symbols: MG, ME, MZ, MC, MP, MS. Such as: MG- double girder gantry crane hook single trolley; ME- double girder gantry crane hook double trolley. Second, the use and maintenance of a run-in period, since the crane is a special vehicle, the operator should receive training, guidance, structure of the machine, there is a full understanding of the performance of, and access to certain operating and maintenance experience before operating the machine. Manufacturers to provide product maintenance manual 400 gantry crane, the operator operates the equipment essential information before operating the machine, be sure to read the maintenance manual, according to the requirements of the specification operation and maintenance. 2, pay attention to running-in period of the workload, running workloads period generally do not exceed the rated working load of 80% 12t gantry crane, and to arrange for appropriate workload, long continuous operation to prevent the machine caused by overheating occur. 3, note that often observe the meter indication, abnormal, should stop in time be excluded, is not found in reason, fault is not excluded before, should cease operations. 16t gantry crane | generous heavy (Online) | Manzhouli gantry provided by generous heavy machinery Co., Ltd., Henan Province. Heavy Machinery Co., Ltd., Henan Province, generous (www.hnqizhongshebei.com) (www.hnqizhongshebei.com) is Zhengzhou, engineering, construction cranes leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum Limits to meet customer needs. In heavy generous leadership with the staff warmly welcome all inquiries negotiations to create a better future for heavy generous.