Section R. 408.17148 - Tumblers; shake out, conditioning, and dryingRule 7148.
(1) A tumbler shall be equipped with a safety interlock that will prevent energizing the drive motor unless the door is closed. The interlock shall allow for momentary inching the tumbler cylinder to facilitate loading and unloading.(2) A tumbler shall be provided with a means to prevent accidental closing of the door during loading and unloading.(3) A tumbler designed without a door, where the work is continuously loaded and discharged, is excepted from subrules (1) and (2).(4) A single cylinder tumbler shall be guarded as prescribed in R 408.17146.Mich. Admin. Code R. 408.17148