MAINTENANCE OF COMPRESSED AIR DISTRIBUTION -

OBJECTIVE
To lay down a procedure for Maintenance of Compressed Air Distribution
SCOPE
This SOP is applicable to Compressed Air Distribution.
RESPONSIBILITY
Technical Supervisor / Engineer
ACCOUNTABILITY
Sr.Executive / Manager
PROCEDURE
Daily Maintenance
Clean the filter bowl externally with dry Cora cloth
Ensure no waste material should be lie on bottom of the trenches & receiver.
Ensure receiver tank air pressure should be between 7-8 kg/cm²
Every one hour drain the condensate from 20 Micron, 1 micron and 0.01 micron air filters and FRL Units
Ensure no air leakages at branch joints and arrest them if it is leaking.

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 compliance there of.
Weekly Maintenance
Check for pressure difference for the all air filters.
Check the condition of valves operation.
Check for any leakages in distribution
Check the functioning of safety valves
Check the functioning of all pressure gauge
Put a Tick mark (Ö ) in Weekly Check Sheet.
Monthly Maintenance
Check and clean the filter elements of 20micron & 1micron air filters.
Check and clean the filter element and change lube oil for FRLunits.
Put a Tick mark (Ö ) in Weekly Check Sheet .
Quarterly Maintenance

Calibrate the all pressure gauges.
Check and replace the worn out ‘O’ ring for all 20micron, 1micron, 0.01micron filters.
Replace the filter elements if the differential pressure exceeding the limit
Pressure testing to be done for air receiver tank.
Check the condition of total pipelines

MAINTENANCE OF COMPRESSED AIR DISTRIBUTION