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7. MAINTENANCE SCHEDULE & PROCEDURES
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 T703 calibrator is maintenance free, there are, however, a
minimal number of simple procedures that when performed regularly will ensure
that the T703 photometer continues to operate accurately and reliably over its the
lifetime.
Repairs and troubleshooting are covered in Section 8 of this manual.
7.1. MAINTENANCE SCHEDULE
Table 7-1 below shows the recommended maintenance schedule for the T703.
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 7-1) must be
performed following certain of the maintenance procedure listed below.
See Section 6.1 for instructions on performing a calibration check.
CAUTION
RISK OF ELECTRICAL SHOCK. DISCONNECT POWER BEFORE PERFORMING ANY OF
THE FOLLOWING OPERATIONS THAT REQUIRE ENTRY INTO THE INTERIOR OF THE
INSTRUMENT.
NOTE
THE OPERATIONS OUTLINED IN THIS CHAPTER ARE TO BE PERFORMED BY
QUALIFIED MAINTENANCE PERSONNEL ONLY.
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