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Reference Manual
00809-0100-5800
9
Preventative maintenance
9.1
Maintaining the analyzer
Preventative maintenance (PM) is also sometimes known as scheduled maintenance or
planned maintenance.
Observe and obey the all safety precautions when performing preventative maintenance
on the analyzer.
WARNING
BURNS
Some parts of the analyzer may be heated to 150 °F (65 °C). Failure to allow sufficient
cooling may cause serious burn injury to personnel.
Do not touch any part of the analyzer.
Assume all parts of the analyzer are hot unless it has been switched off and allowed to
cool down.
Always wear proper protective equipment when handling the analyzer.
Switch off the analyzer and allow it to cool for at least two hours before fitting,
removing, or performing any maintenance.
The analysis cell is insulated against heat loss. Allow the analyzer to cool for at least 12
hours before performing any maintenance on, or in the vicinity of, the analysis cell.
If burns occur, seek immediate medical treatment.
9.2
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 9-1: Scheduled Checks
Frequency
Monthly
Annually
Rosemount CT5800
Action
1. Check the zero and span calibration. Perform the calibration more or
less frequently if necessary to meet quality control or plant
operation requirements.
1. Perform the monthly check detailed in the previous row.
2. Perform a laser wavelength calibration. Contact your local service
representative for guidance.
Preventative maintenance
September 2019
Table
9-1.
169
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