R 408.18160 Feed hoppers .

Rule 8160. (1) A feed hopper for a grinder, pulverizer or food chopper shall have a guard over the hopper opening. The guard shall be 1 of the following: (a) A grid with opening small enough to keep the fingers from touching the feeding knives or worm . (b) A solid cover interlocked to the operating controls so that the machine will not operate when the cover is open . (c) A hopper of such length or opening that the fingers cannot touch the knives . (2) A feed hopper which is removable from a grinder, pulverizer or food chopper shall be interlocked to prevent operation of the machine when the hopper is removed .