Section R. 408.18128 - Horizontal batch mixersRule 8128.
(1) A horizontal batch mixer shall have control devices which require concurrent use of both hands whenever the mixer bowl is opened more than 6 inches and the agitator is energized. The controls shall be located so that the operator has a full view of the mixer bowl.(2) A horizontal batch mixer with a power dumping device shall have devices which require constant 2-hand control when the bowl closes the final 6 inches.(3) A horizontal batch mixer shall have a flour gate operating device, ingredient opening and ingredient water inlet which can be operated by the operator from the work area without endangering the operator.(4) An overhead cover or door on a horizontal batch mixer, which may accidentally close, shall be counterbalanced or provided a device which shall hold the door open until released by the operator.(5) A horizontal batch mixer shall not be hosed down during cleaning unless all electrical devices are designed for such cleaning.(6) An ingredient or inspection opening on a horizontal batch mixer shall be not more than 1 1/2 square feet in area. The opening shall have the access limited by a bar-type grating made of not less than 3/16-inch diameter stock, or its equivalent, on 3-inch centers. If it is possible to contact moving parts, a warning sign shall be installed at the opening to caution the employee.(7) A device or mechanism used to return sponges to a mixer shall be so interlocked with the mixer as to prevent injury to the operator.Mich. Admin. Code R. 408.18128