Chapter 7: roof assembly – Grain Systems Tanks PNEG-4090A User Manual
Page 112
Figure 7-34 Securing the overlapping upper and lower panels
A
Lower roof panel (CTR-0205)
D
5/16-18 x 1 flange bolt with sealing washer (S-
10260)
C
Upper roof panel (CTR-0204)
E
5/16 in. flange nut (S-3611)
14.Working in a clockwise direction, repeat the procedure to continue installing all the lower roof panels
and the upper roof panels onto the A-frames.
15.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.
16.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.
112
Pneg-4090A 90 Ft Diameter 40-Series Bin