Maintenance And Repair - Zehnder Pumpen Kompaktboy Doppel Gebrauchsanleitung

7 Maintenance and repair

Under normal use, the lifting unit Kompaktboy Double requires only a minimum of main-
tenance. We recommend that the plant operating company carries out a monthly visual
inspection of the lifting unit. While doing so, attention has to be paid for abnormalities, e.g.
has to be called in.
i
According to DIN EN 12056-4, lifting units have to be regularly checked within the fol-
lowing time intervals:
every 12 months in case of installation in detached houses
every 6 months in apartment blocks
every 3 months in case of installation in commercial and industrial enterprises
comprise both the maintenance of electrical and mechanical components. Mainte-
nance works have to be documented in the plant manual.
In order to guarantee permanent operational safety of the lifting unit, we recommend to
conclude a maintenance agreement.
The following table provides and overview of maintenance works which have to be ex-
Component
Type plate
Outlet and inlet connections
Inlet gate valve
Shut-off valves pressure line
Collecting tank
Check valve
Level control
Kompaktboy Double
Chapter
Activity
check for readability
Check for tight fit and leaks
It has to be ensured that the weight of the pipelines does not rest
on the collecting tank
Check of the elastic pipe coupling for proper fit and possibly wear
and tear
Check condition and function
Lubricate the adjusting spindle
Check condition and function
Lubricate the adjusting spindle
Check the condition – check for cracks and deformations
Clean the collecting tank
Check the condition and function of the check valve – clean, if
necessary
Dismount and clean the pitot tube
Check the control line – check connections on the tank and on
the control
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