|PNEUMATIC SYSTEM MAINTENANCE SCHEDULE
|Once A Week
||Drain compressor, tank, filter, bowl, and any air lines that have drain cocks. Check compressor crankcase oil level. Check compressor safety-relief valve.
|Once A Month
||Inspect discharge air filter. Check pressure-reducing valve setting.
|Once Every 3 Months
||Change crankcase oil. Oil the compressor motors. Check compressor pressure switches.
|Once Every 6 Months
||Check for moisture, oil and dirt in air lines. Clean the intake air filter, felt and screen types. Check the compressor belt. Check the pressure relief valves. Check calibration, operation, nozzles, and restrictors of transmitters temperature controllers, pressure controllers, thermostats and humidistats. Check piping of pressure transmitters and controllers. Clean elements and humidistats. Lubricate dampers, check damper actuators and close-off.
|Once A Year
||Replace cartridge-type intake air filters. Check calibration of receiver controllers. Check throttling ranges of humidistats, thermostats, temperature and pressure controllers. Lubricate packing, adjust packing or repack valves. Check valves for tight close-off. Check E-P and P-E relay operation. Check diverting, averaging, high/low, volume booster relay operation. Check diverting switch operation. Check gradual switch operation.