Grain Systems Tanks PNEG-4090 - Manual (Page 94)

Chapter 7: Roof Assembly
5. Attach the top X-brace (J) to the left-hand roof rafter (A), and install a flange bolt (F) and a flange nut
(I) into the top hole.
6. Secure the bottom portion of each X-brace (J and K) with a flange bolt (F) and a flange nut (I).
7. Install a flange bolt (L) and a flange nut (M) securing the X-braces (J and K) together.
8. After all purlins are installed, tighten the hardware to the recommended torque specifications. See
Bolt Torque Specifications, page 24 .
Figure 7-17 Purlin location 2
94 Pneg-4090 90 Ft Diameter 40-Series Bin