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6. Inspection, maintenance and desludging
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DOKK5110E 15.04.2020
6. Inspection, maintenance and desludging
As the operator of a small wastewater treatment plant, you are obligated to:
•
Have a monthly in-house inspection performed or to perform it yourself if you have an
appropriate certificate of competence
•
Have half-yearly maintenance performed by an authorised specialist company
6.1 Opening and closing the TopCover
Tool: Size 13 key.
Secure open treatment tanks from falling.
Always close the treatment tank securely after completing the work on the
wastewater treatment plant by turning the locking latch on the TopCover to the
locked position, for example, as a child safety feature.
Opening the cover:
•
Turn both of the nuts that are visible on
the cover by 90° in a clockwise direction
to unlock the cover.
•
Lift off the cover to perform visual
inspections or other service work.
Closing the cover:
•
Position the cover so that the retaining
pin on the lower side of the cover can be
inserted into the relevant shaft hole.
The visible locking latch nuts
should be across from the shaft
grip recesses.
•
Turn the two nuts by 90° in a clockwise
direction until they stop in order to seal
the cover tight.
•
Test whether the small wastewater
treatment plant is tightly sealed.