The chain tensioner cannot choose the appropriate strength level and blindly pursue high strength. In short, S hook tensioner according to the characteristics of the equipment and operating places, choose the appropriate wire rope, confirm the safety, extend the service life and improve the economy of the purpose. Unwinding wire rope installation (1) Peng rope tensioner winding, the disk of the rope on a special bracket, with a steel pipe through the hole of the rope, at both ends with the rope lifting. The rope line slowly turn, (2) the winding direction of the wire rope on the reel according to the direction of twisting of the steel rope, the right rope from left to right, from left to right, roll neatly arranged.