Grain Systems Tanks PNEG-4090 - Manual (Page 89)

Chapter 7: Roof Assembly
7. Install a flange bolt (L) and one flange nut (M) securing the X-braces together where they cross.
8. After all purlins are installed, tighten the hardware to the recommended torque specifications. See
Bolt Torque Specifications, page 24 .
Figure 7-15 Purlin location 4
A Left-hand roof rafter (CTR-0012) H Purlin (CTR-0008)
B 1/2 x 1-3/4 in. flange bolt (S-10252) I 1/2 in. flange nut (S-10253)
C Right-hand roof rafter (CTR-0012) J Top X-brace (CTR-0038)
Pneg-4090 90 Ft Diameter 40-Series Bin 89