Grain Systems Tanks PNEG-4072G - Manual (Page 68)

Chapter 7: Roof Assembly
1. From the inside perimeter of the sidewall, place the bolt (B) through the hole located approximately 4
in. down from the top of the sidewall sheet (A).
NOTE: Install the bolts from the inside to the outside of the bin, passing through the inside stiffener,
corrugation spacer, sealing washer, sidewall sheet, and outside stiffener and flange nut.
2. On the inside perimeter, install a sealing washer (F), corrugation spacer (E), and inside stiffener (D).
3. Install a flange nut (C) to the bolt (B) and repeat this process with the remaining hardware. Tighten
hardware to the recommended torque specifications, see Bolt Torque Specifications, page 24 .
Figure 7-1 Inside stiffener to the one-ring top stiffener for bins with an odd number of rings
A Sidewall E Corrugation spacer (S-7041)
B 3/8 x 1-1/2 in. flange bolt (S-7488) F Sealing washer (S-3558)
C 3/8 in. flange nut (S-9426) G One-ring top stiffener (CTS-2071XX)
D Inside stiffener (CTS-2069XX) H Assembled view
68 Pneg-4072G 72 Ft Diameter 40-Series Bin