Grain Systems PNEG-707GSI - Manual (Page 74)

6. Tower Roof
74 PNEG-707 12', 18', 24' and 30' GSI Commercial Tower Dryer
Tower Roof Center Collar
1. Bolt three (3) tower roof center collar sections together.
Use 5/16" x 3/4" bin bolts, grade 5 bolts, 5/16" hex head nuts, and neoprene washers.
NOTE: Insert bolts toward inside of center collar, with neoprene washers against outside of center
collar to provide seal.
2. Position tower roof center collar above peak cap, in center of dryer.
Figure 6O Tower Roof Center Collar Section (1 of 3)
Figure 6P
A B
A.Tower roof sheet with cut out for
tower roof access port.
B. Tower roof sheet.