M&C SP Series, Instruction Manual

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17 MAINTENANCE
The safety instructions specific to the plant and process are to be consulted prior to any maintenance work !
It is difficult to give any recommendations as to a particular maintenance cycle. Depending on your process condi-
tions, a meaningful maintenance cycle must be elaborated for the specific application.
An indication that probe-maintenance may be necessary could be shown by a constant decline in the amount of
sample gas in the analysis system.
Probe maintenance is restricted essentially to replacing filter elements and checking seals.
Warning
Observe safety related operations specific guidelines for maintenance work !
Warning
Aggressive condensate is possible.
Wear protective glasses and proper protective clothing!
When working during operation:
High surface temperatures!
Touching the surfaces can result in burns. Wear protective gloves and any unau-
thorized access to the probe must be made impossible !
17.1 CHANGING FILTER ELEMENT AND CHECKING SEALINGS

Close ball valve (if fitted). Flush probe in case of toxic gases!

Remove probe protection shield after opening pressure clamps.

Remove filter holder with lid as described in chapter 14.1.

Screw out the filter's knurled screw I, if existing put adapter L into the new filter element and renew filter element
J .

Check filter element seals K and replace if necessary.

Check O-rings in the lid (flat graphite seal for /320H... , PTFE rings for /7aT ) and change
if necessary.