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Subchapter 7. General Industry Safety Orders
Group 8. Points of Operation and Other Hazardous Parts of Machinery
Article 69. Food and Tobacco Machinery

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§4554. Hand-Fed Food Patty Machines.

(a) Feed trays shall be interlocked to stop operation of the machine when the tray is removed, and shall be equipped with a permanently affixed finger guard which will prevent the operator's fingers from coming in contact with the point of operation.

EXCEPTION: Machines in which the throat opening to the feeding mechanism is permanently guarded.

(b) The shear and nip point(s) on the discharge side of the machine created by the reciprocating plate and the machine frame in the area of the knockout cup shall be guarded.

(c) Contact with the shear and nip point(s) formed by the reciprocating plate and machine frame at the discharge side of the machine shall be prevented by one of the following means:

(1) By a skirt-type guard on both sides of the reciprocating plate which extends at least 3 inches below the lowest point on the reciprocating plate;

(2) By a full enclosure guard with a manual or automatic means to remove the food patties without employees placing their hands into the danger zone; or,

(3) By any other type of guard or device which will prevent inadvertent finger contact with the shear and nip point(s) when the machine is in operation.

(d) The machine shall be equipped with electrical interlocks which are designed to stop operation when the shear and nip point guards in subsections (b) and (c) are open or have been removed.

NOTE: A jogging device may be provided where necessary to make adjustments to the machine.

NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.


1. New section filed 2-25-91; operative 3-27-91; (Register 91, No. 15).

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