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PDFWAC 296-301-130


(1) Centrifugal extractor.
(a) Cover. Each extractor must be equipped with a metal cover.
(b) Interlocking device. Each extractor must be equipped with an interlocking device that will prevent the cover from being opened while the basket is in motion, and also prevent the power operation of the basket while the cover is open.
(c) Brakes. Each extractor must be equipped with a mechanically or electrically operated brake to quickly stop the basket when the power driving the basket is shut off.
(d) Maximum allowable speed. Each centrifugal extractor must be effectively secured in position on the floor or foundation so as to eliminate unnecessary vibration, and must not be operated at a speed greater than the manufacturer's rating, which must be stamped where easily visible in letters not less than one-quarter inch in height. The maximum allowable speed must be given in revolutions per minute (rpm).
(2) Engine drum extractorOver-speed governor. Each engine individually driving an extractor must be provided with an approved engine stop and a speed limit governor.
(3) Squeezer or wringer extractorNip guards. All nip guards must comply with the requirements of WAC 296-301-04503(4).
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 17-18-075, § 296-301-130, filed 9/5/17, effective 10/6/17; WSR 07-03-163, § 296-301-130, filed 1/24/07, effective 4/1/07; Order 74-19, § 296-301-130, filed 5/6/74.]
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