Chapter 7: roof assembly – Grain Systems Tanks PNEG-4135A User Manual

Page 139

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Chapter 7: Roof Assembly

Figure 7-49 Installing the middle roof panels

C

Upper roof panel (CTR-0337)

F

5/16 in. flange nut (S-3611)

D

Middle roof panel (CTR-0343)

G

Roof rafter

E

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

17.Repeat this procedure to continue installing all the upper roof panels (C) onto the roof.

18.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.

19.Install the flange bolts (D) and the flange nuts (E) along the ribs of each upper panel to secure them.

20.Install the flange bolts (D) and the flange nuts (E) to secure the lower roof panels and the upper roof

panels.

21.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.

Pneg-4135A 135 Ft Diameter 40-Series Bin

139

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