Daily
> Check for any abnormal alarms
> Check smell and abnormal noise from blower and pump
> Check the sludge return flow from settling tank to aeration chamber
> Check the chemical dosing tank
Weekly
> Take a sludge content test
> check chlorine content of effluent
Monthly
> Check aeration lines are clear. If solenoid valves are present check the working of the same.
> Do backwash if the sludge content is high
> Check that there is no obstruction in the venting line
> Inspect the tank’s external and internal coatings for corrosion
> Try out all the external valves
> Try out high level alarms
Yearly
> Empty whole system and clean thoroughly
> Clean the floats for pump cut in and cut of as well as high level alarm
> Replace the gaskets if required
> Replace the non return valve in case of vacuum STP