Operating jib crane attention to detail: Not allowed jib crane delivery staff. Lifting above the staff are not allowed to load. Stayed allowed or towing loads. Allowed overload use. Avoid lifting hook collision limit switch during normal operation. Other important operating tips: Load spreader must adopt a flexible connection is suspended in a small car. Rigid connections will have no control over the force, resulting in fatigue fracture. It is not allowed to pull the load flashlight door when manually rotating arm, only to pull hook, a crane, and not allowed to pull the pendant cable. Jib crane fasteners six months should be checked once tightened. ② wall crane is fixed to the wall cantilever crane modern crane, or may be elevated track along the wall or other support structure on the operation of the crane boom. Wall row cranes using the occasion to span large building height larger workshop or warehouse, approached the wall near the lifting operations more frequently best. Multi-wall line and the top of the crane girder bridge crane or with the use of a crane Dujiangyan, near the wall in a rectangular space at the service responsible for lifting small light objects, large borne by the beam or bridge crane. Cranes kind, generous and heavy (online consultation), Crane Co., Ltd. Dujiangyan provided by the generosity of heavy machinery in 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.