Grundfos DME Serie Instrucciones De Instalación Y Funcionamiento página 35

9.4.1 Dosing liquid in the pump housing
Warning
Danger of explosion!
Immediately separate the pump from
the power supply!
Make sure the pump cannot be put
back into operation by accident!
If dosing liquid has entered the pump housing, or if
the safety diaphragm is damaged or worn:
• Send the pump to Grundfos for repair, following
the instructions given in section
• If a repair isn't economically reasonable, dispose
of the pump observing the information in section
11. Disposal.
9.5 Operation with loose dosing head
screws
Warning
Danger of explosion, if dosing liquid
has entered the pump housing!
Operation with damaged or loose
dosing head screws can lead to dosing
liquid entering the pump housing.
If the pump was operated with
damaged or loose dosing head screws,
immediately separate the pump from
the power supply!
Make sure the pump cannot be put
back into operation by accident!
Dismantle the dosing head without
connecting the pump to the power
supply and make sure no dosing liquid
has entered the pump housing.
Proceed as described in section
9.4.1 Dosing liquid in the pump
housing.
9.6 Repairs
9.6 Repairs.
After consulting Grundfos, please send the pump,
together with the safety declaration completed by a
specialist, to Grundfos. The safety declaration can
be found at the end of these instructions. It must be
copied, completed and attached to the pump.
Caution
If the above requirements are not met, Grundfos may
refuse to accept delivery of the pump. The shipping
costs will be charged to the sender.
Warning
The pump housing must only be
opened by personnel authorized by
Grundfos!
Repairs must only be carried out by
authorized and qualified personnel!
Switch off the pump and disconnect it
from the voltage supply before carrying
out maintenance work and repairs!
The replacement of the supply cable
Note
must be carried out by an authorized
Grundfos service workshop.
The pump must be cleaned prior to
dispatch!
If dosing liquid has possibly entered
the pump housing, state that explicitly
in the safety declaration! Observe
section 9.4 Diaphragm breakage.
35