Assembling purlin number 3, Chapter 7: roof assembly – Grain Systems Tanks PNEG-4060 User Manual
Page 93
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Figure 7-14 Purlin location 4
A
Left-hand roof rafter (CTR-0157)
F
7/16 x 1-1/4 in. flange bolt (S-10250)
B
7/16 x 1-1/4 in. flange bolt (S-10250)
G
7/16 in. flange nut (S-10251)
C
Right-hand roof rafter (CTR-0157)
H
Purlin (CTR-0171)
D
Right purlin clip (CTR-0490)
I
7/16 in. flange nut (S-10251)
E
Left purlin clip (CTR-0489)
Assembling Purlin Number 3
Purlin number 3 is located third from the eave.
Before You Begin
Place two roof rafters on the ground with roof panel holes facing up. Several A-frame assemblies will have
X-bracing installed and be placed periodically throughout the perimeter of the roof. Determine if X-bracing
is being installed and note those steps in this procedure.
What You Should Know
Pneg-4060 60 Ft Diameter 40-Series Bin
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