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Chapter 7: TopDry Drying Floor
Installing the Intermediate Purlin
1. Align two middle purlins (A) with the fourth hole on the rafter (C), counting from the end connected to
the C-Channel and fasten using 5/16 x 1 in. flange bolts (D) and 5/16 in. flange nuts (E).
2. Align two upper purlins (B) with the ninth hole on the rafter (C), counting from the end connected to
the C-Channel and fasten using 5/16 x 1 in. flange bolts (D) and 5/16 in. flange nuts (E).
IMPORTANT:
Make sure the purlins (A and B) are installed to the underneath side of the rafters (C)
with the interior angle facing the center of the bin.
3. Install the remaining purlins, connecting the rafters, overlapping the previous purlin using
5/16 x 1 in. flange bolts (D) and 5/16 in. flange nuts (E).
4. Tighten all the bolts after all the floor sheets are installed.
Figure 7-8
Installing the intermediate purlin
A
Middle purlin (TD-100743)
D
5/16 x 1 in. flange bolt with sealing washer (S-10260)
B
Upper purlin (TD-100742)
E
5/16 in. flange nut (S-3611)
C
Rafter
PNEG-4936
36 Ft. TopDry Autoflow
69
Summary of Contents for TopDry Autoflow
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