... wood, stone, blocks .1.4 Safety: There is shield covers belt pulley and forbidden to get close during the machine running, Under ... cover, main shaft, motive gear assembly(rotor), mesh, pulley, assembly, powder sifting, belt pulley, feeder unit, outlet hopper etc.2.1 Operating ... and properly, under the effect of main driving pulley to drive crusher belt, the material is crushed under the action of ...