Service; Maintenance - Grundfos Hydro EN Installation And Operating Instructions Manual

11. Service

11.1 Maintenance

DANGER
Electric shock
Death or serious personal injury
‐
Before any inspection, maintenance, service or repair
of the system, make sure that the main switch is in
OFF position, locked and tagged. Attach suitable
isolation warning signs to prevent accidental
reconnection.
‐
There are more than one control cabinets. Make sure
that you disconnect the correct one belonging to the
section of the system that needs intervention.
‐
The electrical installation must be carried out by a
qualified electrician appointed by the client in
accordance with local regulations.
DANGER
Automatic startup
Death or serious personal injury
‐
The system can start up automatically at any time. If
the system is not set as out of order, it is mandatory
to keep a safe distance from any of its parts.
‐
Before any inspection, maintenance, service or repair
of the system, make sure that the main switch is in
OFF position, locked and tagged. Attach suitable
isolation warning signs to prevent inadvertent
reconnection.
‐
In case of diesel pumps, isolate the fuel supply to the
engine and disconnect the batteries by removing the
negative terminal connector, before working on any
part of the fuel supply or control system.
‐
Make sure that you wear suitable clothing on site. Do
not let long hair down, wear loose or frayed clothing or
jewelry to avoid being trapped into the equipment.
‐
Do not place fingers, hands, arms or tools into any
openings.
‐
Under no circumstances should the system be
operated, when the coupling guard is not in place and
suitably secured.
DANGER
Trapping hazard
Death or serious personal injury
‐
The system can start up automatically at any
time. Keep a safe distance from the system when you
are in the technical room.
‐
Do not do inspection, maintenance, service or repair of
the system while the motor or the engine is in
operation. If this is not possible, make sure that all
protections against rotating or hot parts are in place
and secured.
‐
Make sure that you wear suitable clothing on site. Do
not let long hair down, wear loose or frayed clothing or
jewelry to avoid being trapped into the equipment.
‐
Do not place fingers, hands, arms or tools into any
openings.
WARNING
Automatic startup
Death or serious personal injury
‐
The system can start up automatically at any time. The
operating noise level of the system is high and the
system must be installed in an access-controlled area.
‐
Ear protection must be carried by, or available to, all
persons authorised to enter the technical room.
‐
Observe the health and safety regulations and limit
the exposure of persons to excessive noise.
WARNING
Crushing hazard
Death or serious personal injury
‐
Any kind of maintenance on the system must be
performed by qualified and authorised persons.
‐
Maintenance performed by unqualified persons or
incorrect use can cause serious damage to the system
or even to the entire firefighting system network.
WARNING
Harm to persons
Death or serious personal injury
‐
Do not remove the protections during engine
operation. Keep a safe distance from any of its parts.
CAUTION
Harm to persons
Minor or moderate personal injury
‐
Do not change the oil or refuel the fuel tank when the
engine is hot.
‐
Let the engine cool down before you run any
operations with oil or fuel.
CAUTION
Pressurised system
Minor or moderate personal injury
‐
Water is under pressure inside the pipes. Make sure to
gradually decrease the pressure and empty the pipes
before operation. This operation must be carried out
by qualified persons.
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