R 408.18124 Mechanical dumpbins and blenders .

Rule 8124. (1) An opening in a mechanical dumpbin or blender shall be guarded by 1 of the following: (a) Parallel bars not more than 3 inches apart on centers . (b) Not less than 11-gauge wire mesh with openings not more than 3 inches in any direction. If an employee can reach the moving parts of the machine through the guard, then the 3-inch opening shall be reduced until the hazard is eliminated . (2) A mechanical dumpbin and blender shall be equipped with a suction type dust hood of such capacity as to prevent dust circulation outside the hood . (3) Where the loading point of a manually filled mechanical dumpbin is more than 24 inches above the floor, a bag rest shall be provided . (4) A hinged dumpbin cover shall be provided with a means to lock the cover in the open position or shall be counterbalanced so that it cannot accidentally fall down while the dumpbin is in operation .