- OBJECTIVE:
To describe a procedure for the preventive maintenance of Air Dryer
- SCOPE:
This SOP is applicable for preventive maintenance of Air Dryer
- RESPONSIBILITY:
Assistant Engineer/Above shall be responsible for implementation and compliance of the Standard Operating Procedure.
- ACCOUNTABILITY:
Manager – Engineering/Manager-Production/Head-QA shall be accountable for implementation and compliance of the SOP
- ATTACHMENT:
Preventive maintenance checklist of air dryer Attachment-I
- PROCEDURE:
- Preparation of preventive maintenance plan:
- Inform the concern person before starting preventive maintenance.
- Ensure that no activities are carried out in the respective machine.
- Ensure that the respective system electrical supply is switched “OFF”
- Before carrying out the preventive maintenance display status board as “UNDER PREVENTIVE MAINTENANCE” on the electrical panel and machine.
- FREQUENCY: Quarterly
- Preparation of preventive maintenance plan:
- CHECKLIST:
- Check all electrical terminals of main supply and machine panel.
- Check pre- line filters and clean them.
- Check gas pressure of refrigeration unit at pressure guage. Make ensure that pressure gauge is working properly and calibrated.
- Check leakage of gas in condenser coils and pipes by using soap solution, if found rectify it.
- Check working of solenoid valve for proper draining of condensed water.
- Check exhaust fan and motor for proper working.
- Check temperature controller for proper working.
- Start and run the machine in Auto/Manual mode.
- Check for any abnormal noise in the machine.
- After completion of the above procedure remove the “UNDER PREVENTIVE MAINTENANCE” status board from the machine and the respective electrical panel.
- Affix the Preventive Maintenance Status on machine as per Attachment– I of
- Update the status label of the machine after the completion of preventive maintenance.
- After performing the preventive maintenance activity of machine, respective area supervisor shall check and note the details on respective Equipment Sequential Log Book.
6.8 Junior Engineer/ above shall record the activity in respective attachment of SOP for Maintenance of
Air Dryer
- REFERENCES :
In-house
ABBREVIATIONS:
SOP : Standard Operating Procedure
Engg.: Engineering
- DISTRIBUTION LIST:
Quality Assurance
Engineering
Production
10.0 HISTORY OF REVISION:
Version No. | Effective Date | Reason for Revision |
Attachment-I
Preventive Maintenance Checklist of Air Dryer
Area:
ID No: Date:
Frequency:
Sr. No. |
Particulars |
Status |
|
Check all electrical terminals of main supply and machine panel. | |
|
Check pre- line filters and clean them. | |
|
Check gas pressure of refrigeration unit at pressure guage. Make ensure that pressure gauge is working properly and calibrated. | |
|
Check leakage of gas in condenser coils and pipes by using soap solution, if found rectify it. | |
|
Check working of solenoid valve for proper draining of condensed water. | |
|
Check exhaust fan and motor for proper working. | |
|
Check temperature controller for proper working. | |
|
Start and run the machine in Auto/Manual mode. | |
|
Check for any abnormal noise in the machine. |