Assembling purlin number 5, Chapter 7: roof assembly – Grain Systems Tanks PNEG-4072G User Manual
Page 81
Figure 7-10 Purlin location 6
A
Left-hand roof rafter (CTR-0615 and CTR-0627)
G
1/2 in. flange nut (S-10253)
B
1/2 x 1-3/4 in. flange bolt (S-10252)
H
Purlin (CTR-0621)
C
Right-hand roof rafter (CTR-0615 and CTR-0627)
I
1/2 in. flange nut (S-10253)
D
Upper right purlin clip (CTR-0634)
J
Lower left purlin clip (CTR-0631)
E
Upper left purlin clip (CTR-0633)
K
Lower right purlin clip (CTR-0632)
F
1/2 x 1-3/4 in. flange bolt (S-10252)
Assembling Purlin Number 5
Purlin number 5 is located fourth 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-4072G 72 Ft Diameter 40-Series Bin
81