Maintenance And Repair - Zehnder Pumpen KOMPAKTBOY Serie Gebrauchsanleitung

7 Maintenance and repair

Under normal use, the lifting unit Kompaktboy Single 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
78
Kompaktboy Single
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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