Bac Cooling Tower Preventive Maintenance

Here’s a Preventive Maintenance Guide for BAC (Baltimore Aircoil Company) Cooling Towers. It applies broadly to BAC open, closed-circuit, and hybrid towers, though you should always check the specific O\&M manual for your model.

BAC Cooling Tower Preventive Maintenance

1. Daily / Weekly Checks bac cooling tower preventive maintenance

Visual Inspection

Look for unusual noises, vibration, or leaks.

Check fan operation, rotation, and belt/gear alignment.

Inspect water distribution system (spray nozzles or basins) for even coverage.

Water Quality

  Ensure proper water treatment to prevent scale, corrosion, and biological growth.

  Check basin water level and makeup water valve operation.

2. Monthly bac cooling tower preventive maintenance

Mechanical System

Inspect and tighten fan motor mounts and drive components (belts, couplings, gearboxes).

Lubricate fan and motor bearings (if grease-lubricated).

Fill / Heat Transfer Media**

Check for scaling, dirt, algae, or debris buildup.

Drift Eliminators & Louvers

Inspect for damage, cracks, or clogging.

3. Quarterly bac cooling tower preventive maintenance

Gear Reducer (if equipped)

Check oil level and condition; top up or change if discolored.

Inspect for leaks or overheating.

Fans

Clean blades and check pitch, alignment, and balance.

Basin & Strainers

Clean debris from cold-water basin and strainers.

Inspect makeup float valve operation.

4. Semi-Annual bac cooling tower preventive maintenance

Comprehensive Cleaning

 Drain and clean the basin, sump, and piping.

 Remove scale and sediment from fill, nozzles, and eliminators.

Disinfection

 Perform biocide shock treatment per local guidelines (especially for Legionella control).

Structural Check

 Inspect casing, access panels, and supports for corrosion or damage.

 Tighten all fasteners.

5. Annual bac cooling tower preventive maintenance

Major Mechanical Service

Change gear reducer oil.

Inspect motor insulation and wiring.

Replace fan belts if worn or stretched.

System Overhaul

Inspect and replace damaged fill, drift eliminators, or nozzles.

Check alignment of motor, gearbox, and fan shaft.

Calibrate vibration switch (if installed).

Winterizing (if applicable)

Drain water system if idle during freezing conditions.

Use basin heaters or recirculation systems for freeze protection.

PT company have kinds of cooling tower parts , include BAC cooling tower parts. We also can do maintenance of BAC cooling tower.