25
Inspection and Maintenance Schedule
Fan
Motor
Drive Shaft and Guards
Geareducer
Drift Eliminators
Fill
Cold W
ater B
asin
Hot W
ater System
W
ater Make-up System
Suction Screen
Control V
alves or Gates
Structural Members
Casing and Louvers
Fan Cylinder
St
airs, Ladders, W
alkway
, Doors, Handrails
Davits, Derric
ks, Hoists
General Recommendations
More frequent inspection and maintenance may be desirable.
1. Inspect for clogging
M M
W
W
2. Check for unusual noise or vibration
D D D D
3. Inspect keys, keyways, and set screws
S S S S
4. Make sure vents are open
S
5. Lubricate (grease)
R
S
6. Check oil seals
M
7. Check operating oil level
D
8. Check static oil level
M
9. Check oil for water and sludge
M
10. Change oil
S
11. Check fan blade tip clearance
S
12. Check water level
D D
13. Check for leakage
W
S S S
14. Inspect general condition
S S S S Y S Y S Y S S S Y S S S
15. Tighten loose bolts
S S S S
Y R S
16. Clean
R R R R R R S R R R R
17. Repaint
R R R R
18. Rebalance
R
R
19. Completely open and close
S
20. Inspect/repair for safe use
Y
Y
Y
21. Inspect and repair before each use
R
D—Daily; W—Weekly; M—Monthly; Q—Quarterly; S—Semi-annually; Y—Yearly; R—As Required
