California Code of Regulations
Title 8 - Industrial Relations
Division 1 - Department of Industrial Relations
Chapter 4 - Division of Industrial Safety
Subchapter 7 - General Industry Safety Orders
Group 8 - Points of Operation and Other Hazardous Parts of Machinery
Article 55 - Power Operated Presses
Section 4207 - Point of Operation Guards

(a) Every point of operation guard shall meet the following design, construction, application, and adjustment requirements:

(b) A die enclosure guard shall be attached to the die shoe or stripper in a fixed position.

(c) An interlocked press barrier guard shall be attached to the press frame or bolster and shall be interlocked with the press clutch control so that the clutch cannot be activated unless the guard itself, or the hinged or movable sections of the guard are in position to conform to the maximum permissible openings of Figure G-8 and Table G-3.

(d) The hinged or movable sections of an interlocked press barrier guard shall not be used for manual feeding. The guard shall prevent opening of the interlocked section and reaching into the point of operation prior to die closure or prior to the cessation of slide motion. See Section 4208(b) regarding manual feeding through interlocked press barrier devices.

(e) The adjustable or fixed barrier guard shall be securely attached to the press bed, bolster plate, or die shoe, and shall be adjusted and operated in conformity with Figure G-8 and Table G-3. Adjustments shall be made only by authorized personnel whose qualifications include a knowledge of the provisions of Figure G-8 and Table G-3.