Graymills Super Sonic OMI - Manual (Page 9)

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MAINTENANCE
WARNING
Before performing any maintenance on this unit, be
sure to disconnect electric power.
WARNING
This unit utilizes high voltage to operate the
ultrasonic transducers. Only qualified trained
personnel should attempt any repairs or servicing
of the ultrasonic components. The ultrasonic
generator utilizes high voltage, and only a qualified
electrician or service personnel should attempt to
disconnect or service the ultrasonic generators.
WARNING
Several routine maintenance procedures should be
followed to enhance the performance of the equipment
and to ensure safety and long term reliability.
Ultrasonic Generators
The ultrasonic generators have fans to cool the
electronic components. These fans may become
blocked with lint or debris that will inhibit the free flow
of air.
Periodically, the generators should be inspected and
any dirt, lint or dust buildup should be removed by
qualified service personnel.
General Cleaning
To prevent build-up of contamination on tank walls and
bottom, it is advisable to periodically drain the tank
solution and wash out the tank.
Be careful when cleaning the ultrasonic tank to not
scratch or abrade the ultrasonic radiating surface, as
this will reduce the life of the radiating surface.