Maintenance - ProMinent delta DLTa optoDrive Operating Instructions Manual

12

Maintenance

Standard liquid ends:
Interval Maintenance work
Quarterly*
Check the diaphragm for damage - refer to the "Overhaul" chapter.
n
Check that the metering lines are fixed firmly to the liquid end.
n
Check that the suction valve and discharge valve are firmly fixed.
n
Check the tightness of the entire liquid end - particularly around the
n
leakage hole, see the following figure.
Check that the flow is correct: Allow the pump to prime briefly - quickly
n
press both
Check that the electrical connections are intact and check the pump
n
housing.
Check that the dosing head screws are tight.
n
[arrow keys] at the same time.
* Under normal loading (approx. 30 % of continuous operation)
Under heavy loading (e.g. continuous operation): Shorter intervals.
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.
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.
Third party spare parts for the pumps may lead to problems
when pumping.
Use only original spare parts.
–
– Use the correct spare parts kits. In case of doubt, refer
to the exploded views and ordering information in the
appendix.
Maintenance
Personnel
Technical personnel
73