Grain Systems PNEG-707GSI - Manual (Page 90)

7. Outside Ladder
90 PNEG-707 12', 18', 24' and 30' GSI Commercial Tower Dryer
When Assembling Ladder and Safety Cage
Use 5/16" x 3/4" galvanized whiz lock bolts and nuts.
When Installing Ladder and Safety Cage to Dryer
Use 5/16" x 3/4" stainless steel whiz lock bolts and nuts.
Figure 7J Close Up - Shaft of bolts
point out of safety cage so climbers do not snag.
Install all 44" formed ladder sections so rungs with rough, textured side for
gripping are on top, so climbers do not slip.
LADDER BOLTS - insert bolts toward outside of ladder, so climbers do not snag
on bolt shafts.