9 Connection
8.4 Removing the flowmeter
8.4 Removing the flowmeter
Personnel qualification: o Fitter
o Electrician
Personal protective equipment: o Work clothing
o Face protection
o Protective gloves
o Safety boots
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.
► Observe the operating instructions of the electrical components.
DANGER
Risk of death through emitted pumped liquid.
Pumped liquids can be hot, poisonous, combustible and caustic and can spray out under high
pressure.
► Wear personal protective equipment during all the work. Ensure face protection.
► Before beginning work, let the flowmeter cool down to the ambient temperature.
► Ensure that the flowmeter is depressurized.
► Collect any discharging pumped liquid safely and dispose of it in an environmentally compatible
manner in accordance with the applicable local regulations.
Requirement:
ü System switched off
ü Disconnect the system from the power supply and secure it against being switched back on
ü Flowmeter cooled down to the ambient temperature
1. Drain the pipe system or divert the pumped liquid via bypass.
2. Remove the flowmeter.
3. Attach protective covers in front of connecting flanges.
4. For storage of the flowmeter Ä Transportation, storage,Page21 and Ä Preservation,Page22.
9 Connection
9.1 Dangers during connection work
The following safety instructions must be observed strictly:
o Have all the work on the flowmeter and pipe system only carried out by authorized qualified per-
sonnel.
o Ensure that solid particles cannot get into the flowmeter and pipe system.
o Ensure that mechanical connections are mounted free of stress.
o Observe the tightening torques.
o Have all the work on the electrical equipment only carried out by electricians.
o Before beginning work on the flowmeter ensure that the electrical power supply is deenergized
and is secured against being switched back on.
o If the insulation of the electrical cables or wires is damaged, disconnect the power supply immedi-
ately.
o The connecting line of the pick up/temperature sensor connection is to be shielded and laid separ-
ately from the supply lines.
Operating instructions
OIO 14en-GB Edition 2020-01
27
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