Grain Systems PNEG-707GSI - Manual (Page 183)

16. Fan Motors
PNEG-707 12', 18', 24' and 30' GSI Commercial Tower Dryer 183
Figure 16AB Checking fan belt tension. Can press
down about one fan belt width.
Figure 16AC Once belts have proper tension,
tightening adjusting nuts on bottom rod of motor mount.
Figure 16AD Fan sheave and belts installed.