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16
Inspection and Maintenance Schedule
General Recommendations
—more frequent inspection and mainte-
nance may be desirable
D–Daily W–Weekly M–Monthly Q–Quarterly S–Semiannually Y–Yearly R–as Required
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
16. Clean
R
R
R
R
R
R
S
R
R
R
R
17. Repaint
R
R
R
R
18. Rebalance
R
R
19. Inspect/repair for safe use
Y
Y
Y
20. Inspect and repair before each use
R
Fan and Fan Guard
Motor
Driveshaft and Guards
Geareducer
Eliminator
Fill
Cold Water Basin
Hot Water Distribution System
Float Valve
Suction Screen
Control Valves
Structural Members
Casing
Fan Cylinder
Stairs, Ladders, Walkway, Doors, Handrails
Davits, Derricks, Hoists