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10. MAINTENANCE SCHEDULE & PROCEDURES

The T803 Analyzer utilizes technologies that are non-depleting and require very
little maintenance. However, there are a minimal number of simple procedures
that when performed regularly will ensure that the analyzer continues to operate
accurately and reliably over its lifetime. Repairs and troubleshooting are covered
in Section 11 of this manual.

10.1. MAINTENANCE SCHEDULE

Table 10-1 shows a typical maintenance schedule for the analyzer. Please note
that in certain environments (i.e. dusty, very high ambient pollutant levels) some
maintenance procedures may need to be performed more often than shown.
Note A Span and Zero Calibration Check (see CAL CHECK REQ’D Column of Table
10-1) must be performed following certain of the maintenance procedure
listed below.
HAZARD – OXYGEN IS A STRONG OXIDIZER.
Before working with the casing open, be sure to turn off power supply, and perform
air or N2 gas purging of not only the analyzer inside, but also the sample gas line.
In addition, carefully prevent oil and grease from adhering to any piping. Otherwise,
poisoning, fire or explosion may be caused due to gas leakage, etc.

CAUTION

GENERAL SAFETY HAZARD

Risk of electrical shock. Disconnect power before performing any of the following
operations that require entry into the interior of the analyzer.

CAUTION

QUALIFIED PERSONNEL

The operations outlined in this Section are to be performed by qualified
maintenance personnel only.
07276B DCN6418