ABB LS4000 Operating Instructions Manual page 179

Clean the housing
ATEX, IECEx and KCs
variants: Checking
the cable glands on
the transmitter and
receiver units
Validation
LS4000, LS4060 DIODE LASER ANALYZERS | OI/LS4000/O2-EN REV. A
Proceed as follows:
Step Procedure
1 Remove dust, sand and other loose dirt when dry.
2 Thoroughly spray the optical component with cleaning agent.
3 Wait until the dirt has dissolved and drips off with the cleaning
agent.
4 Carefully wipe away any dissolved dirt that is still adhering to the
surface.
5 Rinse with distilled water.
6 Wipe the optical component dry.
Wipe the housing surfaces with a dry or damp cloth (dampened with water).
Do not use cleaning agents to clean the housing, as these may
damage the seals.
Proceed as follows:
Step Procedure
1 Check that the cables are sitting firmly in the cable glands.
If they are loose, correct as follows:
2 Tighten the fastening nuts by hand until the seal touches the cable.
3 Tighten the fastening nuts with one rotation of a spanner.
4 For safety reasons, shorten the inspection interval.
If ...
the analyzer has not detected any
measurement gas for a long time
Proceed as follows:
Step Procedure
1 Perform validation as described in section Validation on page 190.
then ...
the analyzer must be checked to ensure it
is able to detect measurement gas.
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