Evapco Cooling Tower Maintenance Checklist Views: 0 Author: Site Editor Publish Time: 2025-09-29 Origin: Site
Here’s a detailed EVAPCO Cooling Tower Maintenance Checklist — suitable for closed-circuit and open-circuit towers. Regular maintenance helps ensure efficient operation, energy savings, and extended equipment life.
EVAPCO Cooling Tower Maintenance Checklist
Evapco Cooling Tower Maintenance Checklist Daily / Weekly
Task Description Visual Inspection Check for unusual noise, vibration, or leaks Water Level Ensure basin water level is within operating range. Adjust make-up valve if necessary Pump Operation Verify pump operation and check for leaks or noise Fan Operation Observe fan rotation, noise, and balance. Check VFD operation (if applicable) Strainers Inspect and clean strainers to prevent clogging Bleed-off Confirm bleed-off system is functioning to control water chemistry
Evapco Cooling Tower Maintenance Checklist Monthly
Task Description Water Treatment Test and adjust water chemistry (pH, conductivity, hardness, biocide) Fill Media / Coil Surfaces Inspect for scale, slime, algae, or debris. Clean if fouling is visible Fan Motor Check for overheating, vibration, or noise. Inspect electrical connections Belts (if belt-driven) Inspect tension, alignment, and wear. Adjust or replace if needed Nozzles / Spray System Inspect for clogging; clean or replace as required Drift Eliminators Inspect for damage or clogging. Clean if necessary
Evapco Cooling Tower Maintenance Checklist Quarterly
Task Description Basin Cleaning Drain and remove sediment, sludge, or biological growth Coil Cleaning (Closed Circuit) Clean coil surface with water or chemical coil cleaner to maintain heat transfer Fan Blades Check for cracks, corrosion, and tightness. Clean blades. Vibration Check Measure and record fan vibration levels. Investigate abnormal readings Electrical Components Inspect starter, contactors, wiring, and control panel. Tighten connections.
Evapco Cooling Tower Maintenance Checklist Semi-Annual
Task Description Motor Bearings Lubricate per manufacturer’s recommendation (if applicable) Fan Shaft Bearings Inspect and lubricate bearings. Replace if worn Gear Drive / Belt Drive
Check oil level and change if dirty; inspect alignment. Structural Components Inspect casing, supports, access doors, ladders for corrosion or damage. Touch up coating.
Evapco Cooling Tower Maintenance Checklist Annual
Task Description Full System Inspection Comprehensive check of mechanical, electrical, and water systems Deep Cleaning Descale fill, clean coil with approved chemicals, disinfect basin and piping Winterization (if seasonal) Drain system or add glycol solution. Protect against freezing Component Replacement Replace worn-out belts, seals, gaskets, and filters. Calibration Calibrate sensors (temperature, conductivity, level)
Evapco Cooling Tower Maintenance Checklist - Recommended Water Quality (per EVAPCO)
Parameter Recommended Range pH 6.5 – 9.0 Conductivity As per local water treatment guidelines Calcium Hardness 50–500 ppm Total Alkalinity 50–500 ppm Chlorides < 250 ppm Silica < 150 ppm
Evapco Cooling Tower Maintenance Checklist - Safety Tips
Lock out/tag out (LOTO) before performing maintenance.
Use PPE (gloves, goggles, mask) during chemical handling and cleaning.
Follow EVAPCO’s official Operation & Maintenance Manual for your model.
