Assembling purlin number 7, Chapter 7: roof assembly – Grain Systems Tanks PNEG-4135 User Manual
Page 92
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Figure 7-13 Purlin location 8
A
Left-hand upper roof rafter (CTR-0236)
F
1/2 x 1-3/4 in. flange bolt (S-10252)
B
1/2 x 1-3/4 in. flange bolt (S-10252)
G
1/2 in. flange nut (S-10253)
C
Right-hand upper roof rafter (CTR-0236)
H
Purlin (CTR-0336)
D
Right purlin clip (CTR-0316)
I
1/2 in. flange nut (S-10253)
E
Left purlin clip (CTR-0315)
Assembling Purlin Number 7
Purlin number 7 is located seventh 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
92
Pneg-4135 135 Ft Diameter 40-Series Bin
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