Chapter 7: roof assembly – Grain Systems Tanks PNEG-4072A User Manual

Page 104

Figure 7-28 Installing roof panels into exposed gaps

Roof panel (CTR-0196)

5/16-18 x 1 flange bolt with sealing washer (S-
10260)

Exposed gap

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

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.

104

Pneg-4072A 72 Ft Diameter 40-Series Bin