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8.
INSTRUMENT MAINTENANCE
IMPORTANT
Note
Predictive diagnostic functions including data acquisition, failure warnings and alarms
built into the analyzer allow the user to determine when repairs are necessary without
performing unnecessary, preventative maintenance procedures. There is, 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. Maintenance,
repair and troubleshooting procedures are covered in Sections 8 and 9 of this manual.
A span and zero calibration check must be performed following some of the maintenance
procedures listed below. Refer to Section 6.
Disconnect power before performing any operations that require entry into the
interior of the analyzer.
The operations outlined in this section must be performed by qualified
maintenance personnel only.
The front panel of the analyzer is hinged at the bottom and may be opened by two
fasteners located in the upper right and left corners to gain access to various components
that are either mounted on the panel itself or located near the front of the instrument
(such as the particulate filter).
WARNING!
RISK OF ELECTRICAL SHOCK
CAUTION
209
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