13 Repair
WARNING!
Danger of electric shock
Unauthorised repairs inside the pump can result in an
electric shock.
For this reason repairs inside the pump should only be
carried out by a ProMinent branch office or representa‐
tive, in particular the following:
– Replacement of damaged mains connection lines
–
Replacement of fuses
– Replacement of electronic control
WARNING!
It is mandatory that you read the safety information and
specifications in the "Storage, Transport and Unpacking"
chapter prior to shipping the pump.
WARNING!
Fire hazard with flammable media
Only with flammable media: They can be ignited by
oxygen.
– The pump may not work if there is a mixture of feed
chemical with oxygen in the liquid end. A specialist
may need to take appropriate actions (using inert
gas, ...).
WARNING!
Contact with the feed chemical
Parts that come into contact with the feed chemical are
exposed and touched during repair work.
– Protect yourself against the feed chemical in case it
is hazardous. Read the safety data sheet on the
feed chemical.
CAUTION!
Warning of feed chemical spraying around
Feed chemical can spray out of the hydraulic compo‐
nents 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
unauthorised persons.
–
Depressurise the system before commencing any
work on hydraulic parts.
Warning of faulty operation
Refer to the exploded drawings in the appendix when
working on the unit.
Safety information
Repair
77
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