Section R. 408.16328 - GuardingRule 6328.
(1) A lever carrying a weight shall have a bolt through the extreme end of the lever, a safety chain attached to it, or the weight shall be enclosed from its extended height to the floor or platform.(2) When material such as chunks or cants of wood or logs can be thrown from a barker or chipper, a barrier to contain the material shall be erected and maintained.(3) A foot switch or control shall be guarded to prevent accidental activation by falling or moving objects or by accidentally stepping on the pedal.Mich. Admin. Code R. 408.16328