Chapter 7: roof assembly – Grain Systems Tanks PNEG-4078 User Manual
Page 107
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![background image](/manuals/277844/107/background.png)
Figure 7-30 Securing the overlapping upper and lower panels
A
Lower roof panel (CTR-0268)
D
5/16-18 x 1 flange bolt with sealing washer (S-
10260)
C
Upper roof panel (CTR-0267)
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.
Pneg-4078 78 Ft Diameter 40-Series Bin
107
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