Samson 3767 - Decommissioning

EB 8355-2 EN 10-1
Decommissioning
10 Decommissioning
The work described in this section is only to
be performed by personnel appropriately
qualiedtocarryoutsuchtasks.
Risk of fatal injury due to the ignition of an
explosive atmosphere.
Î Observe EN60079-14 (VDE0165,
Part1) for work on the positioner in haz-
ardous areas.
Î Work in hazardous areas must only be
performed by personnel who has under-
gone special training or instructions or
who is authorized to work on explo-
sion-protected devices in hazardous ar-
eas.
The process is disturbed by interrupting
closed-loop control.
Î Do not mount or service the positioner
while the process is running and only af-
ter isolating the plant by closing the shut-
off valves.
To decommission the positioner before re-
movingit,proceedasfollows:
Î Put the control valve out of operation.
See associated valve documentation.
Î Shut off and lock the supply air line to
the positioner.
Î Disconnect and lock the electrical power
supply.
DANGER
!
NOTICE
!