Maintenance
WARNING
LOCK OUT / TAG OUT (LOTO)! Before any maintenance or
decommissioning work is performed on the column, make sure
that:
•
the column is empty and depressurized.
•
the column is disconnected from process feed, electrical power
and pneumatic supply.
•
the column is prevented from accidentally becoming re-
energized during maintenance.
•
the column is clearly tagged as taken out of operation.
•
all process wetted areas are clean and decontaminated.
WARNING
Decontaminate before maintenance. To avoid personnel being
exposed to potentially hazardous substances, make sure that the
column is properly decontaminated and sanitized before
maintenance or service.
WARNING
Hazardous chemicals during maintenance. When using
hazardous chemicals for system or column cleaning, wash the
system or columns with a neutral solution in the last phase or step.
2 Safety instructions
2.1 Safety precautions
Adjustable Oligo Column Operating Instructions 28967444 AC
13