2. Work a. First class lifting weights (or the maximum load weight), should be suspended height of 0.5 meters from the ground after the gantry sucker, the weight is lowered again, check the brake performance, reliable after confirmation, then normal operation . b. The operator in the job, should be required for the following job-ringing alarm. ① lifting, landing weight; start big, when the car driving. Gantry crane gantry crane ② clear line of sight when traveling through to continuous-ringing alarm; ③ crane with another crane when approaching cross inside. ④ lifting heavy objects close to the staff. Simple gantry crane is based on customer usage conditions and plant conditions designed a simple, practical line hanging. It consists of 300 tons gantry crane beams, columns, ground beams composition, together with chain hoists, electric hoists or electric chain hoist use. Simple gantry crane gantry crane bridge has reasonable structure, easy installation gantry crane, simple operation characteristics. Widely used in workshops, warehouses, shops and other places. Bridge Crane | generous heavy (Online) | Renhuai 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.