11 Maintenance
10.5 Recommissioning
Behaviour of the pumped liquid
Duration of the operation interruption
Short
Long
o
No corrosive burden
o
Remains liquid
o
Corrosive burden
–
1.
Drain the pump station.
2.
Preserve the pump station.
Tab. 13: Measures depending on the behaviour of the pumped liquid
Drain the pump station via the pressure line, suction line, vent screws and screw plugs.
10.5 Recommissioning
10.5.1
Recommissioning the pump station
Carry out all the steps as for the commissioning process,
Ä
Commissioning, Page 23.
11 Maintenance
11.1 Dangers during maintenance
The following safety instructions must be observed strictly:
o
Have all work carried out only by authorized qualified personnel.
o
Before beginning work, let the pump station cool down slowly to the ambient temperature. Avoid
rapid temperature changes.
o
Pumped liquids can be hot, poisonous, combustible and caustic. Use corresponding protective
equipment.
o
Collect any discharging pumped liquid safely and dispose of it in an environmentally compatible
manner in accordance with the applicable local regulations.
o
Ensure that the collection tank for discharging pumped liquids is sufficiently large.
o
Observe the operating instructions and data sheets of the components.
11.2 Required maintenance
The service life depends on the observance of the operating conditions of the pump station and the re-
quirements from the operating instructions of the components.
Component
Required maintenance
Cycle
Pump station
o
Visual inspection
o
Acoustic inspection
4 weeks
Strainer
o
Visuelle Prüfung
o
If required, clean
4 weeks
Overflow valve
o
Function test
≤ 5 years
Deaerator
o
Vent
If required
Tab. 14: Required maintenance
11.3 Maintaining the pump station
Personnel qualification:
o
Fitter
Personal protective equipment:
o
Work clothing
o
Protective gloves
o
Safety boots
1.
Check the pump station visually and acoustically every four weeks.
If there are signs of wear, eliminate the cause
Ä
Servicing, Page 29.
28
OIK 10en-GB Edition 2021-06
Operation instructions
