A detailed Cooling Tower DAILY preventive maintenance checklists

1. Visual Inspection

2. Operational Checks

  • Inspect fan blades for damage or obstructions.
  • Listen for vibrations or unusual sounds.
  • Measure fan speed using a tachometer.
  • Ensure fans are clean and free of debris.
  • Check flow meters for accurate readings.
  • Compare readings with manufacturer specifications.
  • Inspect piping for leaks or blockages.
  • Adjust valves as necessary to maintain flow.
  • Manually operate valves to check for smooth action.
  • Inspect for leaks around valve seals.
  • Verify position indicators are accurate.
  • Lubricate moving parts if necessary.
  • Identify and locate the source of any strange sounds.
  • Pay attention to grinding, knocking, or squealing noises.
  • Document any findings for further investigation.
  • Consult maintenance if any issues are suspected.
  • Inspect fan blades for damage or obstructions.
  • Listen for vibrations or unusual sounds.
  • Measure fan speed using a tachometer.
  • Ensure fans are clean and free of debris.
  • Check flow meters for accurate readings.
  • Compare readings with manufacturer specifications.
  • Inspect piping for leaks or blockages.
  • Adjust valves as necessary to maintain flow.
  • Manually operate valves to check for smooth action.
  • Inspect for leaks around valve seals.
  • Verify position indicators are accurate.
  • Lubricate moving parts if necessary.
  • Identify and locate the source of any strange sounds.
  • Pay attention to grinding, knocking, or squealing noises.
  • Document any findings for further investigation.
  • Consult maintenance if any issues are suspected.
  • Use thermometers to measure inlet and outlet temperatures.
  • Calculate the temperature difference.
  • Ensure it meets operational standards.
  • Report any significant deviations.
  • Check for debris accumulation on eliminators.
  • Ensure they are properly aligned and secured.
  • Inspect for signs of wear or damage.
  • Clean as necessary to maintain efficiency.
  • Check water level indicators for accuracy.
  • Adjust make-up water supply if necessary.
  • Inspect for leaks that may affect water level.
  • Document water level readings regularly.
  • Inspect make-up water valves for proper operation.
  • Check for clogs or restrictions in the lines.
  • Verify that water supply is consistent.
  • Test the float switch for responsive operation.
  • Simulate conditions to test sensor responses.
  • Verify readings against manual measurements.
  • Check calibration of sensors as necessary.
  • Document any discrepancies for corrective action.
  • Inspect chemical storage for leaks or spills.
  • Check feed lines for blockages.
  • Monitor chemical concentration levels.
  • Adjust feed rates according to system demands.
  • Listen for unusual sounds during pump operation.
  • Inspect for clogs or debris in the sump.
  • Check float switches for proper function.
  • Ensure discharge lines are clear.
  • Test each safety interlock to ensure it activates.
  • Check reset procedures for emergency systems.
  • Inspect wiring and connections for damage.
  • Document any failures for immediate repair.
  • Verify VFD settings match operational requirements.
  • Observe VFD display for error codes or warnings.
  • Listen for unusual sounds from the VFD.
  • Test manual control mode for responsiveness.

3. Water Quality Assessment

  • Use a calibrated thermometer.
  • Record temperatures at both inlet and outlet.
  • Compare readings to operational standards.
  • Note any significant temperature deviations.
  • Use a pH meter or test strips.
  • Collect water samples from multiple locations.
  • Record pH levels accurately.
  • Adjust chemical treatment if pH is out of range.
  • Inspect internal surfaces and water for growth.
  • Use visual assessment and sampling if necessary.
  • Document findings and recommend cleaning if needed.
  • Use sterile containers for water samples.
  • Label samples with date and time.
  • Send samples to a certified lab for analysis.
  • Follow guidelines for proper sampling techniques.
  • Use a conductivity meter for accurate readings.
  • Record conductivity levels at various points.
  • Compare results to acceptable TDS ranges.
  • Investigate if levels exceed recommended limits.
  • Use appropriate test kits or meters.
  • Take readings from multiple locations.
  • Ensure levels are within treatment specifications.
  • Adjust chemical dosing if necessary.
  • Use a hardness test kit or titration method.
  • Record calcium and magnesium concentrations.
  • Compare results to acceptable hardness levels.
  • Implement softening measures if needed.
  • Calibrate the turbidimeter according to guidelines.
  • Take water samples for testing.
  • Record turbidity levels and compare to standards.
  • Schedule cleaning if turbidity exceeds acceptable limits.
  • Use a dissolved oxygen meter for accurate readings.
  • Sample water at different depths.
  • Record levels and compare to operational needs.
  • Investigate low levels promptly.
  • Use specific test kits for biocide concentration.
  • Document levels accurately.
  • Adjust dosing based on test results.
  • Ensure compliance with safety regulations.
  • Maintain a detailed log of all parameters.
  • Highlight any significant changes.
  • Include date, time, and environmental conditions.
  • Use this data for trend analysis.
  • Conduct a visual inspection of all components.
  • Check for leaks, corrosion, or blockages.
  • Document findings and schedule repairs as needed.
  • Ensure flow rates are adequate.
  • Use flow meters to measure rates.
  • Record measurements regularly.
  • Compare against system specifications.
  • Adjust system settings if flow is inadequate.
  • Look for discoloration, floating debris, and foam.
  • Note any unusual odors.
  • Document observations and investigate further.
  • Take corrective action if contamination is suspected.

4. Mechanical Components

  • Use appropriate lubricant for each component.
  • Apply lubricant evenly to bearings and motors.
  • Check for any unusual wear or resistance during operation.
  • Ensure excess lubricant is wiped away to prevent buildup.
  • Inspect belts for cracks, fraying, or excessive wear.
  • Use a tension gauge to check proper tension.
  • Adjust tension using the appropriate tools if needed.
  • Replace any damaged belts immediately to avoid failure.
  • Inspect all wiring for frays or damage.
  • Tighten any loose connections using appropriate tools.
  • Clean connections with a suitable electrical contact cleaner.
  • Check for signs of corrosion and replace corroded components.
  • Inspect for dirt, debris, or any signs of damage.
  • Use a soft brush or water to clean drift eliminators.
  • Ensure they are properly seated after cleaning.
  • Replace any damaged eliminators to maintain efficiency.
  • Look for cracks, dents, or warping on blades.
  • Ensure blades are securely attached to the hub.
  • Clean blades to remove any buildup that may hinder performance.
  • Replace any damaged blades promptly to prevent imbalance.
  • Inspect gearboxes for leaks or abnormal noises.
  • Check lubricant level and top up if low.
  • Replace lubricant according to manufacturer recommendations.
  • Look for signs of overheating or wear on gears.
  • Run the motor and listen for irregular sounds.
  • Check for vibrations that could indicate misalignment.
  • Ensure the motor is operating within specified parameters.
  • Document any irregularities for further inspection.
  • Inspect all pipes and fittings for leaks.
  • Check for blockages in nozzles or distribution trays.
  • Ensure even water distribution across the fill media.
  • Repair or replace any damaged components as needed.
  • Inspect fill media for dirt, algae, or damage.
  • Clean media with a suitable solution if dirty.
  • Replace any sections that are excessively worn or damaged.
  • Ensure fill media is properly installed after maintenance.
  • Check for leaks around seals and connections.
  • Monitor pump operation for unusual noises or vibrations.
  • Ensure the pump is primed and operating at correct pressure.
  • Replace any faulty components to maintain efficiency.
  • Remove any visible debris or sediment from the sump.
  • Check for blockages in the drain lines.
  • Inspect for signs of corrosion or damage in the basin.
  • Maintain a clean environment to optimize water flow.
  • Use alignment tools to verify proper alignment.
  • Make adjustments as necessary to align components.
  • Check for any signs of wear on coupling components.
  • Document alignment status for future reference.
  • Inspect all guards for damage or missing parts.
  • Ensure all fasteners are tightened securely.
  • Replace any damaged guards immediately.
  • Verify compliance with safety regulations.
  • Inspect for rust, corrosion, or structural deformities.
  • Check welds and joints for integrity.
  • Clean any corroded areas and apply protective coating.
  • Report significant damage for further evaluation.

5. Safety Checks

6. Documentation and Reporting

7. Cleanliness and Hygiene

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