Grain Systems Tanks PNEG-4072G - Manual (Page 107)

Chapter 7: Roof Assembly
Figure 7-29 Installing roof panels into exposed gaps
A Roof panel (CTR-0196) D 5/16-18 x 1 flange bolt with sealing washer (S-
10260)
B Exposed gap E 5/16 in. flange nut (S-3611)
5. When all roof panels within a group are in place, install the remaining flange bolts and flange nut
along the ribs of each roof panel, and tighten all hardware to the recommended torque specification.
See
Bolt Torque Specifications, page 24 .
6. Field drill holes (B) into the roof panels (A) through holes in the top flange of the purlins (D). Fasten
the panels and the purlins securely using 5/16 in. bolts.
NOTE: Ensure that holes are drilled from inside of the bin.
7. Field drill holes (C) into the roof panels (A) through holes in the top flange of the rafters (E). Fasten
the panels and the rafters securely using 5/16 in. bolts.
NOTE: Ensure that holes are drilled from inside of the bin.
IMPORTANT: Failure to properly secure the roof panel to the purlin and the rafter will constitute a
modification to the product not specifically delineated in this manual and will void the
limited warranty.
Pneg-4072G 72 Ft Diameter 40-Series Bin 107