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10 Operation
10.4 Decommissioning
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.
Requirement:
ü
Pressure-side pressure gauge installed
1.
Switch on the pump and remove the screw plug
1
of the overflow valve.
2.
Increase the supply pressure step-by-step to check the opening pressure of the overflow valve.
Keep an eye on the pressure gauge and make sure that the operating limits are observed.
ð
The opening pressure is reached, when the displayed pressure falls.
3.
Turn the adjusting screw
2
to set the opening pressure:
Turning clockwise: Increase the opening pressure
Turning counter-clockwise: Reduce the opening pressure
4.
Repeat Steps 2 and 3 until the desired opening pressure is reached.
5.
Tighten the screw plug
1
again.
10.3.4
Switching off the pump station
Personnel qualification:
o
Trained personnel
ATTENTION
Damage to seal through pressurizing during standstill.
► Ensure that the maximum permissible system pressure is not exceeded.
1.
Switch off the motors.
2.
Close the pressure- and suction-side shut-off devices.
10.4 Decommissioning
10.4.1
Taking the pump station out of operation
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
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.
24
OID 06en-GB Edition 2019-11
Operating instructions