Grain Systems Bin Accessories PNEG-1112 - Manual (Page 27)

2. Installation
PNEG-1112 Sidewall Bin Stair Assembly 27
2. Insert two (2) 5/16'' x 3/4" bin bolts into the two (2) mating slots on the inside of the inside stair
siderail, and one (1) 5/16'' x 3/4'' bin bolt to the bottom hole on the 9-1/2'' sidewall post. Loosely join
the bin bolts to two (2) serrated flange nuts on the outside of the inside siderail extension, and
one (1) serrated flange nut on the inside of the platform wall bracket. These bin bolts and serrated
flange nuts will be adjusted and tightened after the assembled stair section is in place.
Figure 2AA
Outside Stair Siderail Attachment
1. Place the outside stair siderail to the outside of the outside siderail extension.
Figure 2AB
2. For installation on bins greater than 30' in diameter, align the first and second slot on the outside
stair siderail to the second and third slot on the outside siderail extension. For bins with a diameter
of 30' or less, align the first single hole and the third slot in the outside stair siderail with the first slot
and last single hole in the outside siderail extension.