Operating instructions

10 Maintenance
WARNING!
It is mandatory that you read the safety information and
specifications in the "Storage, Transport and Unpacking"
chapter prior to shipping the pump.
CAUTION!
Warning of feed chemical spraying around
Feed chemical can spray out of the hydraulic components if
they are manipulated or opened due to pressure in the liquid
end and adjacent parts of the system.
– Disconnect the pump from the mains power supply and
ensure that it cannot be switched on again by unauthor‐
ised persons.
– Depressurise the system before commencing any work
on hydraulic parts.
WARNING!
Warning of hazardous or unknown feed chemical
Should a hazardous or unknown feed chemical be used, it
may escape from the hydraulic components when working
on the pump.
– Take appropriate protective measures before working on
the pump (protective eyewear, protective gloves, ...).
Read the safety data sheet on the feed chemical.
– Drain and flush the liquid end before working on the
pump.
WARNING!
Danger of an electric shock
When working on the motor or electrical auxiliary equipment,
there is a danger of an electric shock.
– Before working on the motor, take note of the safety
instructions in its operating instructions!
– Should external fans, servomotors or other auxiliary
equipment be installed, these should also be discon‐
nected and checked that they are voltage free.
Place a spare parts kit in stock ready for maintenance work.
You can find order numbers in the enclosed "Supplementary
information CD for ProMinent pump operating instructions"
under "Ordering information" - "Spare parts kits".
Third party spare parts for the pumps may lead to problems
when pumping.
– Use only original spare parts.
– Use the correct spare part kits. In case of doubt, refer to
the exploded views and ordering information contained
in the "Supplementary information CD for ProMinent
®
pump operating instructions".
Safety information
Maintenance
52