CoriolisMaster FCB400, FCH400 CORIOLIS MASS FLOWMETER | CI/FCB400/FCH400-EN REV. H 85
9 Maintenance / Repair
Safety instructions
WARNING
Loss of Ex-approval!
Loss of Ex approval due to replacement of components in
devices for use in potentially explosive atmospheres.
• Devices for use in potentially explosive atmospheres may
be serviced and repaired by qualified ABB personnel only.
• For measuring devices for potentially explosive
atmospheres, observe the relevant operator guidelines.
See also Use in potentially explosive atmospheres on
page 6.
CAUTION
Risk of burns due to hot measuring media
The device surface temperature may exceed 70 °C (158 °F),
depending on the measuring medium temperature!
• Before starting work on the device, make sure that it has
cooled sufficiently.
Note
For detailed information on the maintenance of the device,
consult the associated operating instructions (OI)!
10 Dismounting and disposal
Dismounting
WARNING
Risk of injury due to process conditions.
The process conditions, for example high pressures and
temperatures, toxic and aggressive measuring media, can
give rise to hazards when dismantling the device.
• If necessary, wear suited personal protective equipment
during disassembly.
• Before disassembly, make sure that the process
conditions do not pose any safety risks.
• Depressurize and empty the device / piping, allow to cool
and purge if necessary.
Bear the following points in mind when dismantling the device:
• Switch off the power supply.
• Disconnect electrical connections.
• Allow the device / piping to cool and depressurize and
empty. Collect any escaping medium and dispose of it in
accordance with environmental guidelines.
• Use suited tools to disassemble the device, taking the
weight of the device into consideration.
• If the device is to be used at another location, the device
should preferably be packaged in its original packing so
that it cannot be damaged.
• Observe the notices in Returning devices on page 29.
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