R 408.18128
R 408.18128 Horizontal batch mixers .
Cite as Mich. Admin. Code R 408.18128
Rule 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 .