MAINTENANCE OF COOLING TOWER

November 20, 2016January 16, 2024 Pharma Editor

MAINTENANCE OF COOLING TOWER
OBJECTIVE
To lay down a procedure for Maintenance of Cooling Tower
SCOPE
This SOP is applicable to Cooling Tower.
RESPONSIBILITY
Technical Supervisor / Engineer
ACCOUNTABILITY
Sr.Executive / Manager
PROCEDURE
Daily Maintenance
Check for any vibration and abnormal noise from the Total unit.

Check and ensure free rotation of Water Distributor.

Blow down the water from the basin for removing high salt concentrated water.

Treat the water with chemical of 2710 (1000 ml / 315 Tr & 500 ml / 125Tr)

Check and ensure hardness & PH values of water in the sump within limits.(hardness is below 50 and ph 7-8)

Check and ensure the motor guard is in position.

Put a Tick mark (Ö) in Daily Check Sheet after completion of each activity. If it is not O.K put a cross (X) in Daily Check Sheet indicating the reason in remarks column.

Immediately inform to the concern superior if it is not O.K (X) and take necessary corrective action as per the advice.
Any such deviations should be maintained in the Machine History Cord along with necessary corrective action and its complaints there of.
Weekly Maintenance
Ensure no cracks on Hub & blades.
Check and ensure the 315 Tr motor load should be 12-15 Amps & 125 Tr motor load should be 6-8 Amps
Check and ensure float valve function.
Ensure the earthing connected to the motor by checking with earth megger.

Ensure smooth and snag operation of all valves.
Treat the water with chemical of 606 (1000 ml / 315 Tr & 250 ml / 125Tr)
Put a Tick mark (Ö) in Weekly Check Sheet .
Monthly Maintenance

Check and clean the distribution pipe.

Tighten the motor base bolts & fan blade bolts.

Clean the motor externally with Coracloth.

Clean the air inlet mesh.

Treat the water with chemical of 2002 (1000 ml / 315 Tr & 250 ml / 125Tr)

Check and ensure no water spillage from tower & basin to outside.

Clean the control panel with air blowers.

Ensure the function of temperature controller with respect to temperature setting (Range from 22º – 32ºC.)

Put a Tick mark (Ö) in Monthly Check Sheet.
Half Yearly Maintenance

Regrease the motor bearings.

Clean the water basin with wire brush & remove scale.

Check and ensure no leaks from water basin.

Inspect general condition of structural members..

Put a Tick mark (Ö) in Half Yearly Check Sheet.
Yearly Maintenance

Check the condition of packing fills, distributor and eliminator, replace if any thing got damaged.

Overhaul the motor.

Check the RPM of the motor with respect to name plate specifications. (1440)

Calibrate the Inlet & outlet pressure & temperature gauges.

Put a Tick mark (Ö) in Yearly Check Sheet.

Forms and Records (Annexures)
Not Applicable
Distribution
Master copy – Quality Assurance
Controlled copies- Quality Assurance, Production, Quality Control
History

Date Revision Number Reason for Revision

– 00 New SOP

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