§ 23.13. Centrifugal extractors or whizzers.
(a) Each motor-driven centrifugal extractor or whizzer shall have a metal cover provided equipped with an interlocking device which shall prevent the cover from opening while the basket is in motion and also prevent the power operation of the basket while the cover is open. The device may not prevent the movement of the basket by hand to insure an even loading.
(b) Each centrifugal extractor or whizzer shall be securely fastened in position to eliminate unnecessary vibration and shall not be operated at a speed greater than the rating of the manufacturer. Each engine individually driving a centifugal extractor or whizzer shall be provided with an approved engine stop and speed limit governor.
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