10 Operation
10.4 Decommissioning
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
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.
ATTENTION
Damage to equipment through excessively fast temperature change.
► Subject the pump only to slow temperature changes.
► Under no circumstances heat the pump with an open flame.
Carry out the following measures during operation interruptions:
Scope of the operation interruption
Measure
o
Shutting down the pump for longer period
Depending on the pumped liquid
o
Draining the pump
Close the pressure-side and suction-side shut-
off devices.
o
Dismantling the pump
Disconnect the motors from the power supply
and secure against being switched back on.
o
Storing the pump
Observe measures for storing and preservation
Transportation, storage, Page 12.
Tab. 8: Measures during operation interruptions
Operating instructions
OIC 01en-GB Edition 2019-11
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