ABB LS4000 Operating Instructions Manual page 78

Clean the housing
78
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.
Operating instruction LS4000 for NH and H O OI/LS4000/NH3/H2O-EN
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