Maintenance; Maintenance Safety Notes; Maintenance Work, Intervals; Maintenance Jobs - Kessel Aqualift F Mono Instructions For Installation, Operation And Maintenance

7.

Maintenance

7.1.

Maintenance safety notes

- Before opening the wastewater tank, ensure the room is sufficiently ventilated. Keep sources of ignition away
and do not smoke.
- Make sure that the pump(s) are at ambient temperature.
- Inlet and outlet pipes must be emptied and pressure-less before work is started.
- The level in the wastewater tank must be below the attachment level (pump flange) of the wastewater pumps
(Fig. [18]).
- Aggressive cleaning agents can damage seals. Use hot water and a brush for cleaning work.
The pump flange <33> must not be removed.
7.2.

Maintenance work, intervals

Maintenance of lifting stations (DIN 12056-4)
The system must be maintained regularly through an appropriate expert. The intervals must not exceed:
- 3 months for systems in commercial use
- 6 months for systems in multi-family homes
- 1 year for systems in single-family homes
A maintenance protocol with details of all the work carried out and the major data must be prepared for all main-
tenance work.
In as far as faults are found which cannot be eliminated, the system operator must be notified immediately in wri-
ting by the maintenance expert, and must confirm receipt of this notification.
7.3.

Maintenance jobs

7.3.1

Visual inspection

Check all the system components for completeness, a firm fit, sound condition and water-tightness.
7.3.2

Check the shut-off valve

The shut-off valve(s) must be able to be operated easily and smoothly.
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