Note the use of hydraulic jacks selection hydraulic jack at the lifting operation, to select the appropriate tonnage hydraulic jacks: not overload the carrying capacity, select the carrying capacity of hydraulic jacks must be greater than 1.2 times the weight of gravity; minimum height suitable hydraulic jacks, In order to facilitate removal, electric hydraulic jacks, hydraulic jacks choose a minimum clearance height and weight should be at the bottom urging adapt during landing pad support heavy sleeper, the thin jack, hydraulic jack lifting height greater than the thickness sleepers and the deformation of sleepers. Hydraulic jacks under the seat pan out Mao always how it is? How do we fix the hydraulic jack? And cylinder base junction permeability. Connecting a generally within "○" type rubber seals not compacted or damage, Fujian jack, which replace the base and the cylinder spin separation, remove the new seal ring reload as installed. Note cylinder hydraulic oil to be discharged into the container, fitted together in front then oil injection. Electric hydraulic jack jack _ _ Fujian Lu Lu of hydraulic force provided by the hydraulic machinery plant in Texas. Texas Lu force hydraulic machinery plant (www.luliyeya.com) located in Dezhou City, Shandong Province, seven West Industrial Park. Scraps and development in the wave of market economy, the current Lu hydraulic force has a high profile in the hydraulic machinery and parts, and enjoy a good reputation. Hydraulic Lu made the whole network business alliance certification, marking our service and management level has reached a new height. Lu Hydraulic staff willing to work with all people of insight and common development, for a better future.