Hog Slat Inc. Newton Grove, NC USA October 2019 7 Ventilation Systems Step 5: Attach an L-shaped bracket (part number 61745) into the wall at the other end of the steel rod line. Bolt a U-bolt (part number 60649) into the bracket. Attach a spring (part number 597093) to the U-bolt. Loop a piece of cable around the other end of the spring and secure it with cable clamps. Attach the other end of the cable to the end of the steel rod as depicted in Step 4. Ensure that the bracket, U-bolt and spring assembly are aligned with the steel rod during installation. Spring Connection to Wall (Figure 7) If a stud is not in line with the inlets, then fasten a 2X6 board between the trusses. Secure the bracket and U-bolt assembly to the 2X6 board. Connect the spring to the U-bolt, and clamp a piece of cable between the spring and the steel rod. Spring Connection to Ceiling (Figure 8) If more clearance is needed, then the spring can be installed in a vertical position. Connect the cable to the steel rod, run the cable through a 3 ½”pulley, and connect the other end of the cable to the spring. The spring and pulley should both be hooked onto U-bolt and bracket assemblies. Fasten a 2X6 board to the truss in the ceiling and another 2X6 to the stud in the wall in order to attach the brackets and provide enough support to carry the load of the inlet system. 90 Degree Spring Connection (Figure 9)
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