Grain Systems Tanks PNEG-257 - Manual (Page 49)

8. Hopper Assembly
PNEG-257 12', 15', 18' and 21' Bulk Feed Tanks BFT and GHT Series 49
Hopper Collar Assembly
45° 22" Hopper collar (BLK-10854)
60° 22" Hopper collar (BLK-10342)
Install hopper collar before all hopper panels are assembled. Use 5/16" truss head bolts, as shown
in Figure 8H , on all hopper seams. Be sure to caulk between the hopper collar and hopper panels.
(See Figure 8I and Figure 8J.)
Figure 8H Hopper Seam Overlap Detail
16" 45° Hopper extension panel (BLK-10697) (three (3) required)
16" 45° Hopper collar (BLK-10696)
16" 60° Hopper extension panel (BLK-10487) (three (3) required)
16" 60° Hopper collar (BLK-10489)
Before last hopper panel is attached, assemble the hopper extensions (if utilized) on the hopper collar.
Use 5/16" truss head bolts and caulk all joints on the hopper extensions and collar. After completing this
assembly, attach to the hopper panels, using 5/16" truss head bolts. Be sure to caulk between hopper
extensions and hopper panels.
(See Figure 8I and Figure 8J.)
Figure 8I 22" Hopper Collar
Figure 8J 16" Hopper Extensions and Collar