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8. MAINTENANCE
Predictive diagnostic functions including failure warnings and alarms built into the
calibrator’s firmware allow the user to determine when repairs are necessary without
performing painstaking preventative maintenance procedures.
For the most part, the T700 calibrator is maintenance free, there are, however, a minimal
number of simple procedures that when performed regularly will ensure that the T700
photometer continues to operate accurately and reliably over its lifetime.
Repairs and troubleshooting are covered in Section 11 of this manual.
8.1. MAINTENANCE SCHEDULE
Table 8-1 shows a typical maintenance schedule for the T700. 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 If the instrument has the optional O
3
photometer installed, a Span and
Zero Calibration Check must be performed on the photometer following
some of the maintenance procedure listed below. See Section 7.3 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
CALIBRATOR.
CAUTION
THE OPERATIONS OUTLINED IN THIS SECTION ARE TO BE PERFORMED BY QUALIFIED
MAINTENANCE PERSONNEL ONLY.
06873B DCN6388