Section R. 408.17161 - Cover or door interlocksRule 7161.
(1) An extractor, washer or tumbler used in a dry cleaning operation shall have the covers or doors interlocked to prevent the inside cylinder from moving when the cover or door is open. On an extractor, the interlock shall also prevent the outer door being opened while the inside cylinder is in motion.(2) A combination dry cleaning machine, wherein the washing and extraction cycles are completed within the same enclosure, shall be equipped with a splashproof cover or door which shall be interlocked as prescribed in subrule (1).Mich. Admin. Code R. 408.17161