Grain Systems Tanks PNEG-4042 - Manual (Page 76)

8. Instructions
76 PNEG-4042 40 Series 42' and 48' Diameter Bins
Assembly (Continued)
Figure 8G
Installation
7. If the roof sheet does not have a pre-punched hole for the roof vent, a hole must be cut. Cut the hole
to match the roof vent. The inside edge of the hole should be approximately 15" from the eave.
(See Figure 8J on Page 77.)
8. Place the three (3) foam strips on roof sheet, as shown in Figure 8I on Page 77 . Position roof
vent over foam strips and bolt down using 5/16" x 3/4" bin bolts and nuts. NOTE: See Figure 8J on
Page 77 for lower two (2) bolts of vent.
Figure 8H
Ref # Part # Description
A MIS-4404 Hold-Down Angle
B Short Side Approximately 15-3/8"
C
Caulk with Tube Caulking
(Three (3) sides of vent housing.)
D Long Side Approximately 15-7/8"