BREAKDOWN RECTIFICATION OF AN AIR COMPRESSOR

1.0 PURPOSE:
    
    To  describe  a   standard operating  procedure  for  breakdown   rectification of an air compressor. 
    
2.0    SCOPE:
    
    The standard operating procedure describes in detail the method  for breakdown  rectification of an air compressor. 
    
3.0    RESPONSIBILITY:
    
    The  responsibility of breakdown  rectification of an air  compressor  lies with the staff of rank not lower than the  junior  utility operator. 
        
The  responsibility of preparing, reviewing  and approving  the  standard  operating  procedure lies with the  Manager  -  Maintenance,  Head of Production and Head of QAD respectively.
    
4.0    METHOD:
    
4.1        Air  pressure not developing.      
    
4.1.1      Isolate the equipment  electrically and remove the side  covers  of the cylinder head. 
    
4.1.2      Unscrew   the  bolts and remove the unloaders replace  them  if  found defective.
    
4.1.3      Check the Teflon rings and replace if found wornout.      
    
4.1.4.     Unscrew both suction and delivery  valves and remove them. 
    
4.1.5      Dismantle  the  valves  and check for the  condition  of  valve  strips, if found defective replace them.
    
4.1.6      Reassemble the valves. 
    
4.1.7      Fix the valves in position, tighten the screws. 
    
4.1.8      Refix the unloaders to the valve plates.

4.1.9      Clean the side covers and cylinder head with   emery paper  and  place the side covers with  new gasket.

4.1.10     Tighten all the bolts.

4.1.11     Unscrew and remove the suction air filter.

4.1.12     Check the condition of the filter. Replace the filter if  found  defective.

4.1.13     Clean the filter by blowing air from inside out.

4.1.14     Place the filter and fix the filter head.

4.1.15     Restore the power supply to equipment. 

4.1.16     Start  the compressor and observe the leaks, rectify the  leaks  if any.

4.1.17     Still if the compressor is not  developing the air, call for an  external service men from an authorised air compressor  servicing agency.

5.0        RECORDING
 
    The  responsibility of recording the breakdown  in the  history   card   lies with the staff of rank not lower than  the  maintenance supervisor.
    

Air compressor, breakdown rectification, engineering