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 screw2 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 plug1 again.
10.3.4 Switching off the pump unit
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 motor.
2. Close the pressure-side shut-off device.
10.4 Decommissioning
10.4.1 Decommissioning the pump
Decommissioning is an operation interruption that requires different measures depending on the scope
of duration and the interruption as well as the properties of the pumped liquid.
Personnel qualification: o Fitter
o Electrician
Personal protective equipment: o Work clothing
o Protective gloves
o Safety boots
Aids: o Collection tank
DANGER
Magnetic field.
Risk of death for persons with cardiac pacemaker, metallic implant or neurostimulator.
► Under no circumstances may persons with cardiac pacemakers, metallic implant or
neurostimulator perform work on the pump/pump unit.
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OIK 09en-GB Edition 2019-11
Operating instructions
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