13 Repairs
WARNING!
Danger of electric shock
Unauthorised repairs inside the pump can result in an elec‐
tric shock.
For this reason repairs inside the pump should only be car‐
ried out by a ProMinent branch office or representative, 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 combustible media: These may start to burn when
combined with oxygen.
– During filling and draining of the liquid end, an expert
must ensure that feed chemical does not come into con‐
tact with oxygen.
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 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 of faulty operation
Refer to the exploded views in the Appendix when working
on the unit.
Safety notes
Repairs
75
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