Grain Systems Tanks PNEG-4135 - Manual (Page 138)

Chapter 7: Roof Assembly
Installing Center Collar Channels and Cap Plates Assembly
The following procedure is for installing the center collar channels and cap plates assembly onto the
center collar in the roof.
Before You Begin
Determine the appropriate lifting chains and lifting device for lifting the center collar channels and cap
plates assembly as a unit.
What You Should Know
The center collar channels and the cap plates are assembled as a unit on the ground.
1. Place a continuous bead of tube caulk (A) on the mating surface of the roof flashing.
NOTE: Before continuing, read and understand the safe and proper lifting procedures needed to
install the A-frames. For more information, see Guidelines for Assembling and Lifting the A-
Frame Rafter Sections, page 122 .
2. Attach the appropriate lifting chains (B) to the previously installed lifting eyebolts.
3. Attach the appropriate lifting chains (B) to the appropriate lilting device (C).
4. Use the appropriate lifting device (C) and qualified personnel to hoist the cap plate assembly (D) into
place.
5. Ensure all holes are aligned, and install flange bolts (E) and flange nuts (F) into each collar channel
clip.
6. Disconnect the lifting device (C) and remove lifting chains (B) from the cap plate assembly (D).
7. Tighten all hardware to the recommended torque specifications. See Bolt Torque Specifications,
page 26 .
138 Pneg-4135 135 Ft Diameter 40-Series Bin