Grain Systems PNEG-707GSI - Manual (Page 220)

20. Cool Section Floor
220 PNEG-707 12', 18', 24' and 30' GSI Commercial Tower Dryer
Caulking
After hopper and metering drum are installed, run a bead of silicone injection caulking around (top)
outside edge hopper. Fill gaps between cool section and inside wall of dryer.
A good seal is important to reduce dust in cool section.
Figure 20B Moving metering drum into center of dryer.
Figure 20C Caulking outside edge of hopper.