Page 45 of 77
5.5.12. Measure the gap between the 1-1/2” square x 42-5/8” long closure post and the 2” x 2”
angle post (FIG. 5.16).
5.5.13. Locate the 1-1/2” diameter round tube and cut to the length measured in the previous
step. Using a metal file, remove any sharp edges left from cutting.
5.5.14. Place 5/16”-18 round threaded inserts into both ends of the 1-1/2” diameter round
tube. Use a rubber mallet to fully seat the threaded inserts as needed (FIG. 5.16).
5.5.15. Attach 1-1/2” diameter round tube to 2” x 2” angle post using a 5/16″-18 x 1″ hex bolt
through a 5/16” flat washer and into the 5/16”-18 round threaded insert installed in the
tube.
5.5.16. Attach the other end of the tube to the closure post using a 5/16″-18 x 2-1/4″ long hex
bolt through a 5/16” flat washer, the uppermost hole in the closure post and, into the
5/16”-18 round threaded insert (FIG. 5.16).
5.5.17. Insert a 1-1/2” square tube plug into the top of the closure post.
5.5.18. Tighten all fasteners securely.