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Model CAT100
POSSIBLE EXPLOSION HAZARD
If explosive or hazardous gas samples are
being measured, it is recommended that
gas line fittings and components be thor-
oughly leak-checked prior to application of
electrical power, bimonthly intervals, and
after any maintenance which involves
breaking the integrity of the sample con-
tainment system. Leakage of flammable
samples could result in an explosion. See
Sections 2-3 (page 2-11) and 6-2 (page 5-6)
for Analytical Leak Check.
5-1 OVERVIEW
Maintenance of the CAT 100 can be summa-
rized into three categories as follows:
a.
Operating Factors
Many times a fault can be traced to
operational omissions. Refer to the
Troubleshooting Guide in Section 6 for
tips on isolating typical faults. Also refer to
Section 2 Installation and Section 3 Op-
eration to verify that the analyzer is being
operated properly.
Rosemount Analytical Inc.
MAINTENANCE AND SERVICE
DANGER.
A Division of Emerson Process Management
SECTION 5
b.
c.
Instruction Manual
Likewise, some faults can be traced to
ancillary equipment. Check all equipment
which is connected to the CAT 100, espe-
cially all gas paths, both sample and cali-
bration.
Analyzer Replacement
The CAT 100 is uniquely designed so that
the analyzer component can be easily
removed from the explosion proof housing
and replaced. For critical service applica-
tions, a spare analyzer can be maintained
and replacement can be effected in a
matter of minutes to have the process
back into operation with minimal interrup-
tion.
Analyzer Repair
Ultimately, the analyzer component may
need maintenance and/or service. See
the Troubleshooting Guide in Section 6
for typical failure remedies, Section 5 for
maintenance operations, and service of
analyzer internal components. Refer to
the CAT 100 Assembly Drawing 659921
located in the rear of this manual.
Maintenance and Service
748441-D
April 2002
5-1
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Table of Contents
Troubleshooting
