The objective of this Standard Operating Procedure of the Preventive Maintenance of Air Curtains is to outline the steps and guidelines for conducting preventive maintenance on Air Curtains to ensure their optimal performance, energy efficiency, and extended lifespan.
SOP for Preventive Maintenance of Air Curtains
- OBJECTIVE:
- To lay down the Procedure for the Preventive Maintenance of Air Curtains.
- SCOPE:
- This SOP is applicable for the Preventive Maintenance of Air Curtains Installed in Plant.
- RESPONSIBILITY:
- Technician/ Officer engineering shall be responsible for proper execution of Preventive Maintenance of Air Curtains as per SOP.
- Engineering – Head shall be responsible for reviewing the SOP and for ensuring proper execution of preventive maintenance of Air Curtains
- ACCOUNTABILITY:
- Engineering – Head shall be accountable for proper implementation of the SOP of preventive maintenance of Air Curtains.
- DEFINITIONS:
- Nil
- PROCEDURE:
- Preventive maintenance shall be executed as per the
- SOP No.: SOP/EN/XXXYYY – Execution of Preventive Maintenance.
- Ensure that the spare parts are available at the time of preventive maintenance.
- Preventive Maintenance – Mechanical
- Checking of blower motor for lubrication
- Check the blower motor bearings for the lubrication.
- if required do the lubrication with recommended lubricants.
- Checking frequency shall be done after every six month.
- Preventive Maintenance – Electrical
- Checking of control circuit
- Switch off the power supply of the air curtains.
- Check the functioning of limit switches.
- Clean the control card panel with soft brush.
- Check the control card and its components for any overheating
- Checking shall be done after every six month.
- Checking of blower motor
- Check the insulation resistance of motor winding with the help of megger.
- Check the phase continuity and winding continuity of motor with the help of tong tester.
- Physically check the motor terminal box and terminal connections.
- Check the voltage drawn by motor with the help of multimeter
- Check the current drawn by motor with the help of tong tester.
- Physically check the direction of rotation; it should be as per recommended direction.
- Checking shall be done after every six month.
- Post Preventive Maintenance – Check List
- Record the Preventive Maintenance details as per the Format No.: SOP/EN/XXXYYY “Preventive Maintenance Checklist & Record for Air Curtains”.
- Whenever any modifications and major works are carried out to the equipment, the same shall be mentioned in the equipment history card as per the respective SOP.
- Connect the equipment main power supply and start the equipment.
- Ensure that the equipment is running smoothly, without any abnormality.
- If any abnormality is observed in the above, same will be attended in co-ordination with User department Head.
- ABBREVIATIONS
- CRF No. : Change Request Form number
- QA : Quality Assurance
- SOP : Standard Operating Procedure
- REFERENCES
- Nil.
- DISTRIBUTION LIST
- SOP shall be distributed to following departments Quality Assurance, Engineering as per user request.
- ANNEXURES
- Preventive Maintenance Checklist & Record for Air Curtains : SOP/EN/XXXYYY
Preventive Maintenance of Air Curtains Checklist & Record
| Equipment Name | Location | ||
| Equipment ID | Frequency |
| Check List | Check | Remark |
| Half Yearly Check List | ||
| Check the control circuits, and functioning of limit switches. | ||
| Check the blower motor for Lubrication | ||
| Checking of blower motor. | ||
| Checking of electrical contacts and wiring. |
Frequently Asked Questions:
What is the objective of the SOP for preventive maintenance of air curtains?
Answer: The objective of this SOP is to outline the steps and guidelines for conducting preventive maintenance on air curtains to ensure their optimal performance, energy efficiency, and extended lifespan.
How often should preventive maintenance be conducted on air curtains?
Answer: Preventive maintenance should be conducted on air curtains at least once every three months, or more frequently if required based on usage and environmental conditions.
What equipment and tools are required for performing preventive maintenance on air curtains?
Answer: The equipment and tools required for preventive maintenance of air curtains include air curtains, safety gear (gloves, safety goggles, etc.), cleaning materials (lint-free cloths, brushes, etc.), screwdrivers and wrenches (as needed for access), and lubricants as recommended by the manufacturer.
What are the steps involved in conducting preventive maintenance on air curtains?
Answer: The steps involved in conducting preventive maintenance on air curtains include:
- Preparation
- Inspection
- Cleaning
- Filter Cleaning/Replacement
- Fan and Motor Inspection
- Airflow Test
- Electrical System Check
- Door Switch Testing (if applicable)
- Calibration (if applicable)
- Documentation
- Final Checks
- Follow-up
How should the filters of air curtains be cleaned or replaced during maintenance?
Answer: The filters of air curtains should be inspected for dirt and clogging. Clean the filters using water and mild detergent or replace them if they are damaged or excessively dirty.
What is the significance of maintaining a maintenance log for air curtains?
Answer: Maintaining a maintenance log helps track all maintenance activities performed on the air curtains, records any identified issues, and allows for better scheduling of future maintenance sessions. It also serves as a reference for monitoring the performance and history of the air curtains.
