Hog Slat Inc. Newton Grove, NC USA March 2018 12 Ventilation Systems Step 9: Bend the other end of the stainless steel rod (HS17111 or HS17112) into a “J-shape” (See Figure A) or form a closed loop as shown in Figure 10 and Figure 11 in Step 8. Hook one end of the spring (HSAP-2877) to the end of the rod. Connect the other end of the spring to an eye hook (606655) anchored in a stud aligned with the spring and rod. Spring Connection to Wall (Figure 12) If a stud is not in line with the ceiling inlets, then the eye hook (606655) can be attached to the ceiling. Fasten a 2X8 Board between the trusses and anchor the eye hook into the board. Spring Connection to Ceiling (Figure 13)
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