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Model GFC7000E Instruction Manual MAINTENANCE SCHEDULE & PROCEDURES
04584 Rev A1 145
9. MAINTENANCE SCHEDULE & PROCEDURES
Predictive diagnostic functions including failure warnings and alarms built into the analyzer’s
firmware 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 the lifetime. Repairs and troubleshooting are covered in Chapter 11
of this manual.
9.1. Maintenance Schedule
Table 9-1 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 9-1) must be
performed following certain of the maintenance procedure listed below.
See Sections 7.3, 7.5 and 7.6 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 chapter are to be performed by qualified
maintenance personnel only.