操作人员必须掌握启闭机的结构、性能与操作方法，并有一定的机械知识，以确保机器的正常运转。 2、操作前，对启闭机进行全面检查，各部位润滑情况是否良好，螺栓是否松动。电动启闭机检查电源线路是否接通，开关是否良好。 3、电动运转时，操作人员不得离开现场，发现问题立即停机。 4、河道用启闭机维修时，必须清除载荷。 5、在使用时，需随时由注油孔注入润滑油，要经常保持足够的润滑油，螺杆要定期清除油垢，涂护新油，以防锈蚀。 1, operators must master the structure, performance and operation methods of the hoist, and have certain mechanical knowledge to ensure the normal operation of the machine. 2, before the operation, the full inspection of the hoist, the lubrication of each part is good, the bolt is loose. The electric hoist checks whether the power line is connected and the switch is good. 3, electric operation, the operator must not leave the scene, found that the problem immediately shut down. 4. The load must be removed when the opening and closing machine is repaired. 5, in use, to inject lubricating oil from oil hole, keep enough oil, screw to regularly remove dirt, paint protection new oil to prevent rust.返K体育（中国）上海有限公司：www.bob-bigelow.com