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RECOMMENDED MAINTENANCE AND MONITORING PROGRAMME
Schedule
Type of Action
Checks and Adjust-
Cold Water Basin and Strainers
ments
Operating level and make-up
Blow down
Sump heater package
Belt tension
Drive alignment
Locking Collar
Rotation of fan(s) and pump(s)
Motor voltage and current
Unusual noise and/or vibration
Inspections and
General condition
Monitoring
Heat transfer section
Finned discharge coil (optional)
Drift eliminators
Water distribution
Fan Shaft
Fan Motor
Electric Water Level Control Package (optional)
TAB test (dip slides)
Circulating water quality
System overview
Record keeping
Lubrication
Fan shaft bearings
Motor bearings *
Adjustable motor base
Cleaning
Mechanical cleaning
procedures
Disinfection **
* only for motors with grease fittings
** depends on applied code of practice
Notes:
1. Water Treatment and auxiliary equipment integrated in the cooling system may require additions to the table above. Contact suppliers for
recommended actions and their required frequency.
2. Recommended service intervals are for typical installations. Different environmental conditions may dictate more frequent servicing.
3. For units with Belt Drive, tension on new belts must be readjusted after the first 24 hours of operation and monthly thereafter.
12
Action
Start-Up
as per event
Table 3: Recommended Maintenance & Monitoring Schedule
Weekly Monthly Quarterly
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
(X)
Every Six
Annually Shutdown
Months
X
X
X
X
X
X
X
X
X
X
X
X
X
X
(X)
(X)
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