(8) threaded fastener tightening wrench should be used, twisting moment should meet the standards. (9) the piston and rod assembly after the hydraulic cylinder, must try to measure the concentricity and straightness over the entire length of whether the ultra-poor. (10) assembled to move the piston assembly and resistance should be no sense block size uneven and so on. (11) when the hydraulic cylinder to be installed on the host computer, must be added between the oil inlet fitting and fastening a good seal to prevent oil spills. (12) After required 50t hydraulic cylinder assembly should be carried out several times at low pressure reciprocating motion to exclude the cylinder gas. Work Piston hydraulic cylinder hydraulic cylinder piston rod can be divided into single and double rod two structures fixed by way of fixed and fixed two cylinder piston rod, according to the role of fluid pressure in the case of a single-acting and Double-action. In a single-acting hydraulic cylinder, pressure oil only for a cylinder chamber hydraulic cylinder 200, the cylinder by the hydraulic pressure to achieve movement in one direction, the opposite direction by an external force (e.g. spring force, its own weight or external loads, etc.) to achieve ; double-acting hydraulic cylinder piston movement in both directions through the two chambers alternately into the oil, by the role of fluid pressure to complete. Large hydraulic cylinder hydraulic cylinder _ _ Shanghai Lu Lu of hydraulic force provided by the hydraulic machinery plant in Texas. Texas Lu force hydraulic machinery plant (www.luliyeya.com) strong, credible, in Dezhou hydraulic machinery and components industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Lu Hydraulic and you hand into the brilliant, for a better future!