WAC 296-78-820   Air hoists.  (1) To prevent piston rod lock nuts from becoming loose and allowing rod to drop when supporting a load, lock nut shall be secured to piston rod by a castellated nut and cotter-pin.

     (2) A clevis, "D" strap or other means shall be used to prevent the hoist cylinder becoming detached from the hanger.

     (3) All air hoists shall have their rated capacity posted on both the hoist and the jib or rail.



[Statutory Authority: RCW 49.17.040, 49.17.050 and 49.17.240. 81-18-029 (Order 81-21), § 296-78-820, filed 8/27/81.]