Cleaning The Optical Parts Of The Sensor - Siemens LDS 6 Compact Operating Instructions

Cleaning the optical parts of the LDS 6, optics housing CD 6
If the transmission for a channel drops below the level set by the user, the transmission alarm
will be activated. This means that the optics housings for this channel are in need of service
(cleaning of the optical surfaces and aligning the optics housings).
Before the optics housings are removed make sure that no purging is active.
6.2.1

Cleaning the optical parts of the sensor

If the transmission for a channel drops below the level set by the user, the transmission alarm will
be activated. This means that the optics housing for this channel need service (cleaning of the
optical surfaces and aligning the optics housing).
Before the optics housings are removed make sure that:
• If there is steam purging – make sure ithat the steam source is turned off.
• No hazardous or hot gases can escape from the process.
• Appropriate protection against hot surfaces on and around the optics housing is used.
Preparations
Danger of burns
Due to hot process gases and/or purging media the optics housings and their environment can
become very hot. This applies particularly when steam is used for purging since overheated
steam is not visible!
Before you start cleaning the optical parts of the optics housing make sure that
• no purging is under way
• no hazardous or hot gases can escape from the process
• you are sufficiently protected against hot surfaces on and around the optics housing, e.g. by
Failure to do so may result in severe burns!
LDS 6 & Optics housing CD 6 Compact Operating Instructions
Compact Operating Instructions, 12/2022, A5E03314905-AB
CAUTION
Severe burns
Overheated steam is invisible and can cause severe burn injuries. To prevent these injuries
• turn off the steam!
WARNING
using protective gloves
Service and maintenance
6.2 Service instructions
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