Hog Slat Inc. Newton Grove, NC USA August 2022 13 Air Storm Fans If removed previously re-attach butterfly bolts bolts but do not tighten at this point. This step requires (2) installers To reattached butterfly hook the butterfly assembly on the top of the outside of the orifice. Ensure the vertical support is properly aligned and the butterfly is oriented correctly (SEE BELOW IN RED) before continuing. Manipulate the orifice inside the butterfly assembly and loosely attach the mounting brackets with lock nuts. Press butterfly onto the fan assembly until the edge of the throat bottoms out against the vertical and horizontal members of the butterfly assembly. 13. From inside the house attach the butterfly spring bracket as shown. Then attach both supplied springs onto the predrilled holes in the bracket securing the other end to the bolts on the butterfly door using supplied 1/4”-20 stainless lock nuts mounted to butterfly. 14. Assemble cone. This step requires (2) installers. Begin by placing one cone panel on the ground with the end with connection slots slightly elevated. Insert the connection tabs into the connection slots and rotate to parallel. Continue for all 4 panels.
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