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Emerson Process Management GmbH & Co. OHG 4-1
4
Maintenance
X-STREAM XEFD
Instruction Manual
HASXEDE-IM-EX
03/2012
Chapter 4
Service and Maintenance
Note!
This chapter deals with service and maintenance procedures related to explosion protection only!
More detailled instructions about servicing and maintaining general purpose components of
X-STREAM XE gas analyzers are subject of the X-STREAM XE analyzer instruction manual.
EXPLOSION HAZARD
Inspection, maintenance and service must be carried out considering
all related standards e.g. for „Inspection and maintenance of electrical
installations in hazardous areas“or „Equipment repair, overhaul and
reclamation.
EXPLOSION HAZARD BY OPEN HOUSING
Service or replacement of safety related components or requiring to open
the instrument are permitted only if no hazardous atmosphere is present
and both the instrument and connected circuitry are de-energized!
Depending on the local regulation this may require a competent hot work
supervisor to issue a hot work permit.
Consider the waiting time statement on the front door label before opening,
if the analyzer is congured for vapor recovery measurements!
EXPLOSION HAZARD BY UNAUTHORIZED REPLACEMENTS
After maintenance or replacement of parts concerning explosion protection
an authority on explosion protection has to verify that the analyzer still meets
the requirements for explosion protection before it is switched on again.
Parts essential for explosion protection must not be repaired, they must be
replaced if defective!
The authority has to issue a certicate for this and/or attach a test label to
the equipment before startup after maintenance or replacement of parts.