Grundfos SE1 50 Notice D'installation Et De Fonctionnement page 33

8. Servicing the product
WARNING
Crushing hazard
Death or serious personal injury
‐
Do not stand near or under the
pump when it is lifted.
WARNING
Electric shock
Death or serious personal injury
‐
Make sure the earth and phase
conductors are not mixed up, follow
the description in the wiring
diagram.
‐
Make sure the earth conductor is
connected first.
WARNING
Electric shock
Death or serious personal injury
‐
Before starting any work on the
product, make sure that the fuses
have been removed or the main
switch has been switched off and
locked in position 0. Make sure that
the power supply cannot be
switched on unintentionally.
WARNING
Crushing of hands
Death or serious personal injury
‐
Make sure that all rotating parts
have stopped moving.
CAUTION
Sharp element
Minor or moderate personal injury
‐
Do not touch the sharp edges of
the impeller without wearing
protective gloves.
Inspect the oil level and condition
every 3000 operating hours or at least
once a year. When the pump is new or
FM
after the replacement of the shaft seal,
check the oil level and water content
after one week of operation.
Maintenance work on explosion-proof
pumps must be carried out by
Grundfos or an authorized service
FM
workshop.
However, this does not apply to the
hydraulic components, such as pump
housing and impeller.
Observe all regulations applying to
pumps installed in potentially explosive
FM
environments.
Make sure that no work is carried out
in potentially explosive environment.
Before carrying out maintenance and service,
flush the pump thoroughly with clean water and
rinse the pump parts after dismantling.
Related information
5. Mechanical installation
7.1 General startup procedure
33