Grain Systems Tanks PNEG-4135A - Manual (Page 121)

Chapter 7: Roof Assembly
Determine the correct orientation of the center collar in relation to any stairs or conveyor systems. Each
piece of the center collar (A) has drilled holes for the installation of the cap plate and side plates that will be
installed later. For this procedure, each piece of the center collar needs to sit securely on stands or suitable
blocks, allowing plenty of room to access the bolts on the bottom side of the assembly.
1. Locate two pieces of the center collar (A), and install the center collar splice plate (D) to the inside
portion on the center collar.
2. Install flange bolts (E) and flange nuts (B) to the six center holes located on the center collar splice
plate (D).
3. Locate and attach the third piece of the center collar (A) and install center collar splice plate (D) to the
inside portion of the center collar.
NOTE: The remaining open holes along the outside edge of the center collar splice plate (D) will be
used when installing the A-frame rafters to the center collar (A).
4. Repeat this process for the remaining side of the center collar (A).
Figure 7-33 Center collar assembly
A Center collar (CTR-0476) E 1/2 x 1-3/4 in. flange bolt (S-10252)
B 1/2 in. flange nut (S-10253) F Center collar splice plate (CTR-0023)
C 1/2 x 1-3/4 in. flange bolt (S-10252) G 1/2 in. flange nut (S-10253)
D Center collar splice plate (CTR-0331)
5. Locate the two columns of three holes (K) that are paired together on the inside radius of the center
collar, and install two center collar channel clips (N) to each column of three holes.
Pneg-4135A 135 Ft Diameter 40-Series Bin 121