, Tread wheel, the wheel, the wheel is fatigue crack phenomenon, wheel axle wear is excessive. Whether skew phenomenon running. What causes skew is. 7, gear, precision equipment lifting, running gear or without severe metal friction sound, vibration, radiation and other unusual sound shell; shaft is sealed intact, loose bolts and other conditions have defects; gear lubricant selection , oil level, oil pump gear vertical run, open gear lubrication, and other compliance requirements. In all lifting equipment, professional equipment crane, single girder crane application is particularly important in everyday operations, the relevant Code of Practice on the implementation of both systems, the following are specific to the operation note: 1 Each Ban lifting weights for the first time (or the maximum load weight), should be suspended height of 0.5 meters from the ground again after the weight is lowered, Zichuan District, lifting equipment, check the brake performance, reliable after confirmation then normal operation. 2, the command signal is unknown or not hanging chaos command; no more than nominal weight hanging; lifting equipment, lifting Shandong Lu (online consultation), Zichuan lifting equipment provided by Shandong Zhonglu mechanical equipment installation Limited. Shandong Lu Machinery Installation Co., Ltd. (www.sdlzqz.com) Shandong Jinan, industrial maintenance, installation of leaders, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Lifting leadership in Shandong Lu in the staff warmly welcome all inquiries negotiations to create Shandong Lu lifting a better future.