12 Servicing
12.4 Replacing the pump
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.
Carry out all servicing work in accordance with the operating instructions of the pump and of the
further components.
12.4 Replacing the pump
Personnel qualification:
o
Fitter
o
Electrician
Personal protective equipment:
o
Work clothing
o
Face protection
o
Protective gloves
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.
► If work on the blocked part of the pump station takes longer, monitor the filling level of the strainer
housing and catch the leakage.
WARNING
Risk of injury by discharging pumped liquid when replacing pump without preceding pressure
relief.
► Open the vent screws at the pump flange by a maximum of 2 rotations in order to reduce the in-
ternal pressure in the housing.
30
OIK 10en-GB Edition 2021-06
Operation instructions
