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6
.
M
AINTENANCE
SCHEDULE
AND
PROCEDURES
Predictive diagnostic functions, including data acquisition records, failure
warnings and test functions built into the analyzer, allow the user to determine
when repairs are necessary without performing painstaking preventative
maintenance procedures. There are, however, 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 8 of this manual.
6.1. MAINTENANCE SCHEDULE
Table 6-1 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 6-1) must be
performed following certain of the maintenance procedure listed below.
See Sections 5.3, 5.5, and 5.6 for instructions on performing checks.
CAUTION
Risk of electrical shock. Disconnect power before performing any of the
following operations that require entry into the interior of the analyzer.
NOTE
The operations outlined in this section are to be performed by qualified
maintenance personnel only.
07272B DCN6552