Removing The Pump(S); Installing The Pump(S) - Kessel Aqualift S Instructions For Installation, Operation And Maintenance

According to DIN 12056 servicing must be carried
out by an expert (company) at the following intervals:
• after 3 months on systems used for industri-
al applications.
• after 6 months on systems used in multi-fa-
mily homes.
• after 1 year on systems used in single-fami-
ly homes.
KESSEL recommends the conclusion of a servi-
cing contract with the installation company or
KESSEL factory customer service.
During servicing, the following work must
Check all the connection points for leaks
generally be done:
• Actuate the slide, grease and readjust if ne-
cessary
• Open and clean the backflow protection device
• Clean the draining pump, check the impeller
and the bearings
• Clean the ventilation bore hole on the pres-
sure port. For this purpose, the deflection
bracket with hose sections must be dismant-
led and checked for blockage.
• Clean the inside of the tank if necessary
• Check the electrical connections for correct
function
3. Cleaning and servicing
After servicing work has been completed, re-
place all the dismantled parts, carry out a test
run and put the system back into operation. Pre-
pare servicing log.

3.1 Removing the pump(s)

backwater valve
with the arrow
pointing downwards
Ventilation bore hole
Fig. 12
Fig. 12 also applies without floating switch.
The pump can be removed quickly and without
tools simply by loosening the one-handed
quick-action closure. The backwater valve in
the pressure port of the tank prevents the wa-
stewater which is still in the pressure pipe flo-
wing back into the system.
Before re-installing the pump, clean all the sea-

3.2 Installing the pump(s)

ling surfaces. Grease the lip seal in the drain.
Set the pump with both grooves in the housing
base onto the guide in the tank and push it for-
wards until the pump's pressure pipe can be in-
serted into the tank drain (Fig. 13). Lock the
quick-action closure.
Fig. 13
The same procedure is used with the Aqualift
S Duo lifting station, the only difference being
that the inner groove is set on the guide rail. Fit
the cable with the plug through the
30
Mono
Duo