Quality inspection of large castings pulley pulleys, Bushes cast only after the final inspection process to its conclusion Bushes meets requirements that you want to load test procedures and technical specifications, the casting of its content is not type allows the defect occurs, the degree of appearing, even testing and methods are also included in the specification. Pulley installation methods and procedures: 1. Check the pulley groove, to ensure that no injuries or sharp edges Bushes offer, all sizes are standard; 2. Clean the surface of all the components, such as the pulley hub hole, sleeve, bolt hole and so on. Set into the cone pulley, so that all screw holes are aligned. 3. Screw (TB 1008-TB 3030) and thread (TB 3525-TB 5050) on the back oiled screwed mounting holes, but it would not tighten. 4. Clean the surface of the shaft, which has been fitted with a drogue wheeled onto a predetermined position on the shaft to see if the belt wheel alignment. 5. When using the keyway, you must first insert it into the hub, the hub between the keyway and holes have to have a certain tolerance. 6. Use conform DIN911 standard hex wrench, alternately gradually tightened the mounting holes evenly bolts Bushes wholesale, until it reaches the torque shown in the table below. 7. In a short run (0.5 to 1 hours) after tightening torque Bushes manufacturer, check the bolts, if necessary, re-tighten. 8. In order to prevent foreign invasion, fill the hole with grease connection holes. Bushes manufacturers, Bushes, Hengda machinery provided by the Texas Hengda Machinery Limited. Texas Hengda Machinery Co., Ltd. (www.sddzhdjx.com) (www.sddzhdjx.com) strong, credible, in Dezhou machining industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Hengda Machinery and you hand into the brilliant, for a better future!