Emerson Rosemount CT5100, Reference Manual

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13 Preventative maintenance
13.1 Maintaining the analyzer
WARNING
MAINTENANCE / MODIFICATIONS
On completion of any maintenance and/or modifications, verify:
— All tools and equipment are removed.
— No contamination (water or dust) is in the compartments.
— The analyzer is wiped clean.
— Vents are clear and not obstructed.
— The system is in a safe state for operation.
13.2 Scheduled maintenance
This schedule lists the tasks required by the analyzer and the recommended frequency.
Variation in customer sites may require these activities to be performed more or less often
than indicated. Details of the tasks to be performed are contained in
Table 13-1 .
Table 13-1: Scheduled Checks
Frequency Action
Monthly 1. Check the zero and span calibration. Perform the calibration more or
less frequently if necessary to meet quality control or plant
operation requirements.
2. Clean outside of system. Ensure all vents are clean and
unobstructed.
Every three months
(quarterly) 1. Perform the monthly check detailed in the previous row.
2. Purge the long path cell mirrors.
3. Check the X-Shift calibration of the lasers. Contact your local service
representative for guidance.
Annually 1. Perform the three-monthly check detailed in the previous row.
2. Perform a laser wavelength calibration. Contact your local service
representative for guidance.
Reference Manual Preventative maintenance
00809-0100-4512 October 2019
Reference Manual 163