Grain Systems Tanks PNEG-4072G User Manual
Page 139
Figure 8-16 Positioning the ladder
A
Manway access
B
Ladder assembly
1. Install the right-hand starter bracket (C) to the top hole in the first sidewall ring, located closest to the
eave. Install a flange bolt (D), and secure with a flange nut (G).
2. Measure approximately 18-3/4 inches (E) to the left of the RH starter bracket (C), and install the LH
starter bracket (K) to the top hole in the first sidewall ring, located closest to the eave. Install a flange
bolt (D), and secure with a flange nut (G).
3. Temporarily position the ladder back into place, ensuring that the mating surface of each starter
brackets (C and K) are aligned with the inside mating surface of each vertical channel of the ladder
(B).
4. Field drill a second 3/8 in. hole (F) using the bottom hole in the starter brackets (C and K) as guides.
Install a flange bolt (D), and secure with a flange nut (G). Tighten hardware to the recommended
torque specifications. See
Bolt Torque Specifications, page 24
.
5. Working down from the starter brackets (C and K), and in alignment, install a ladder standoff bracket
(H) at every horizontal seam or 32 in. from the previous installed bracket. Install a flange bolt (D) and
a flange nut (G), securing each ladder standoff bracket (H) to the sidewall.
NOTE: Installing a plumb line to the starter bracket will help keep each bracket aligned evenly.
6. Install a ladder reinforcing strap (I) to the ladder standoff brackets (H), and install two hex bolts (J)
and nuts (G).
NOTE: For optimal reinforcement, install the ladder reinforcing straps (I) in a diagonal fashion as
shown.
Pneg-4072G 72 Ft Diameter 40-Series Bin
139