Grain Systems PNEG-707GSI - Manual (Page 179)

16. Fan Motors
PNEG-707 12', 18', 24' and 30' GSI Commercial Tower Dryer 179
Sheaves
Install sheaves to each fan motor mount as follows.
1. Lift dryer for clearance.
2. Motor drive shaft.
Install motor hub to motor drive shaft. Insert motor hub key. Set set screw. Slide motor sheave on
motor drive shaft and bolt.
3. Fan drive shaft.
Install fan hub to fan drive shaft. Insert fan hub key. Tighten set screw. Slide fan sheave on fan drive
shaft and bolt.
4. Align top of motor sheave level with top of fan sheave.
Check with level.
NOTE: Final tightening of bolts should be with torque wrench.
Figure 16L
Figure 16M Fan Sheave Figure 16N Sliding motor hub on motor drive shaft.
A. Fan hub, fan hub key, set screw, three (3) tightening bolts, three (3) lock washers.
B. Motor hub, set screw, three (3) tightening bolts, three (3) lock washers
(motor hub key is shipped on drive shaft of fan motor).
C. Motor sheave.
A
B C