Grain Systems Tanks PNEG-4075 - Manual (Page 111)

Chapter 7: Roof Assembly
NOTE: To ensure each lower roof panel is overlapping the existing roof panel previously installed,
slightly lift the side rib of the previous lower roof panel, allowing the new lower roof panel to
be tucked under the previous roof panel.
Figure 7-33 Installing the roof panels into exposed gaps
A Lower roof panel (CTR-0265) D 5/16-18 x 1 flange bolt with sealing washer (S-
10260)
B Exposed gap E 5/16 in. flange nut (S-3611)
11.When the lower panels are installed, fill in the exposed gaps between the upper panels, by installing
three additional upper roof panels (C) overlapping each upper roof panel on the right, adjusting the
upper roof panels as needed.
12.Install the flange bolts (D) and the flange nuts (E) along the ribs of each upper panel to secure them.
13.Install the flange bolts (D) and the flange nuts (E) to secure the lower roof panels and the upper roof
panels.
Pneg-4075 75 Ft Diameter 40-Series Bin 111