11 Maintenance
11.1 Dangers during maintenance
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
Visual inspection
o
If required, clean
4 weeks
Overflow valve
o
Function test
≤ 5 years
Tab. 16: Required maintenance
11.3 Maintaining the pump station
Personnel qualification:
o
Fitter
o
Electrician
Personal protective equipment:
o
Work clothing
o
Protective gloves
o
Safety boots
o
Face protection
Aids:
o
Collection tank
DANGER
Risk of death resulting from electric shock.
► Ensure that the electrical power supply is de-energized and is secured against being switched
back on.
► Before commissioning ensure correct grounding and equipotential bonding.
► Observe the operating instructions of the electrical components.
WARNING
Risk of injury through emitted pumped liquid.
Pumped liquids can be hot, poisonous, combustible and caustic.
► Wear personal protective clothing during all the work. Ensure face protection.
► Collect any discharging pumped liquid safely and dispose of it in an environmentally compatible
manner in accordance with the applicable local regulations.
1.
Check the pump station visually and acoustically every four weeks.
2.
If there are signs of wear, eliminate the cause
3.
Observe the additional operating instructions of the pumps and optional components.
38
OID 02en-GB Edition 2019-11
Operating instructions
