425 McFarlan Road Office
Suite 102 610.444.0333
Kennett Square, PA
19348 Fax
610.444.0332
Maintenance Checklist
Cooling Towers / Closed Circuit Cooling Towers
Location: ______________________________________ Date: __________________
Unit Make: ______________________________________
Model # : ____________________________ Serial #_________________________
Inspection Checks
OK NR
Check for any Visible Damage .....................................................................................
a. Panels, Doors, and seals ..................................................................................
b. Base assembly..................................................................................................
c. Protective finish................................................................................................
d. Interior sheet metal seams................................................................................
Check all mounting Hardware.........................................................................................
Check for unusual noise & Vibration...............................................................................
Clean the outside of the fan motor...................................................................................
Lubricate Fan shaft & motor base adjusting screw..........................................................
Check and adjust Fan belt tension...................................................................................
Check Fan bearing locking collar .................................................................................. Check
Fan for proper rotation without obstruction and Measure RPM’s...................................
Remove and Clean metering orifices...............................................................................
Clean and flush hot water distribution basins with high pressure water spray................
Clean Debris from wet deck with high pressure water and inspect.................................
Remove and clean sump strainers....................................................................................
Clean and flush cold water sump with high pressure water ........................................... Check
and adjust sump water levels in hot water distribution and cold water sump..................
Clean air inlet louvers .....................................................................................................
Check for proper setting and operation of fan cycling thermostats.................................
Check operation of make up valve ..................................................................................
Check running Motor voltages L1/L2______Volts L1/L3______Volts L2/L3________Volts
............... Check Main Power L1________ L2________ L3________
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Comments:____________________________________________________________________
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Signature: __________________________________ Date: _________________________
Job Name:______________________________________________Date: __________________
Comments:____________________________________________________________________
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Signature: __________________________________ Date: _________________________
Direct Drive Fan(s) Belt Drive Prop. Fan(s) Gear Drive Fan(s)
Variable Frequency Drive Spray Pump Discharge Air Dampers
Vibration Switch Electronic Water Level Mechanical Float
Sump Heater Low Level/Temp Control Ladder
Motor Davit Vibration Rails Other ________________
Check for Damage
Check Tower Sump for Leaks.
Check Operation of Water Level Control, if Applicable.
Check Operation of Sump heater(s), Contactor(s), Low Level, and Temp. Controls, if Applicable
Check/Correct Rotation of and Start Sprayer Pump, if Applicable. H.P. _____ Rated Voltage _____
Rated FLA _____ Volts L1/L2 _____ L1/L3 _____ Amps L-1 _____ L-2 _____ L-3 _____
Start/Run System and Spray Pumps; Inspect Tower for Leaks
- Are Pumps Interlocked with Fans? Yes No
Verify Correct Nozzle Spray Pattern.
Check Operation & Adjust Discharge Air Dampers, if Applicable.
- Are Dampers Interlocked with Fans? Yes No
Verify Proper Belt Tension and Alignment, if Applicable.
Verify Motor/Shaft Bearings Have Been Greased.
Type of Fan Motor Starter(s) Across the Line Part Start 2 Speed VFD Other ______
Check/Correct Rotation of and Start Cooling Tower Fan # 1 H.P. _______ Rated Voltage _______
Rated FLA _____ Volts L1/L2 _____ L1/L3 _____ Amps L-1 _____ L-2 _____ L-3 _____
Check/Correct Rotation of and Start Cooling Tower Fan # 2 H.P. _______ Rated Voltage _______
Rated FLA _____ Volts L1/L2 _____ L1/L3 _____ Amps L-1 _____ L-2 _____ L-3 _____
Check Heat Tracing, if Applicable.
Check Water Treatment is Applied to System.
- Evapco Pulse Pure? Yes No
