WAC 296-301-130   Extractors.  (1) Centrifugal extractor.

     (a) Cover. Each extractor shall be equipped with a metal cover.

     (b) Interlocking device. Each extractor shall 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 shall 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 shall be effectively secured in position on the floor or foundation so as to eliminate unnecessary vibration, and shall not be operated at a speed greater than the manufacturer's rating, which shall be stamped where easily visible in letters not less than one-quarter inch in height. The maximum allowable speed shall be given in revolutions per minute (rpm).

     (2) Engine drum extractor -- Over-speed governor. Each engine individually driving an extractor shall be provided with an approved engine stop and a speed limit governor.

     (3) Squeezer or wringer extractor -- Nip guards. All nip guards shall comply with the requirements of WAC 296-301-04503(4).



[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. 07-03-163, § 296-301-130, filed 1/24/07, effective 4/1/07; Order 74-19, § 296-301-130, filed 5/6/74.]