Grain Systems Tanks PNEG-4042 - Manual (Page 73)

8. Instructions
PNEG-4042 40 Series 42' and 48' Diameter Bins 73
Assembly (Continued)
Figure 8B
Installation
8. If the roof sheet does not have a pre-punched hole for the roof vent, a hole must be cut. The cut hole
should match the roof vent. The hole’s inside edge should be approximately 15" from the eave.
(See Figure 8E on Page 74.)
9. Place the three (3) foam strips on roof sheet, as shown in Figure 8D on Page 74 . Position roof
vent over foam strips and bolt down using 5/16" x 3/4" bin bolts and nuts. NOTE: See Figure 8E on
Page 74 for lower two (2) bolts of vent.
Figure 8C
Ref # Part # Description
A MIS-4404 Hold-Down Angle
B Short Side Approximately 15-3/8"
C Long Side Approximately 15-7/8"