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Pump Inspection Visual check for func-
tion and tightness
approx. 6 months
Maintenance Rehearsal:
Before, during or after
the test run, check:
¾ The electrical
protection of the
system in accor-
dance with VDE
regulations
¾ Preprint of the
MAG (if available)
¾ Tightness of the
pump‘s sliding ring
seal
¾ Function of the
setback preventer
¾ Pump and ow
noise
¾ Tightness of the
system and ttings
¾ Cleanliness of the
plant
¾ Corrosion of plant
parts
approx. 1year
Drinking water
re-feeding
Inspection Check of the safety
distance (water level
adjustment), the inlet
valve and the overow
when the inlet is fully
open
approx. 1year
Level indicator Inspection Comparison of the
level in the storage
with the level indicator
(switching rainwater /
drinking water).
approx. 1year
Pipelines Inspection Check all visible cables
for condition, tightness,
fastening and external
corrosion
approx. 1year
Backlog closures
(if available)
Inspection Actuating the operating
lock, if necessary, emer-
gency closure
approx. 1 month
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