Instruction manual
Table Of Contents
- INSTRUCTION MANUAL HFID
- ESSENTIAL INSTRUCTIONS
- TABLE OF CONTENTS
- PREFACE
- DEFINITIONS
- SAFETY INSTRUCTIONS WIRING AND INSTALLATION OF THIS APPARATUS
- OPERATING AND MAINTAINING THIS APPARATUS
- GENERAL SAFETY NOTICE / RESIDUAL RISK
- AUTHORIZED PERSONNEL
- GASES AND GAS CONDITIONING (SAMPLE HANDLING)
- POWER SUPPLY
- ELECTROSTATIC DISCHARGE
- GENERAL PRECAUTIONS FOR HANDLING AND STORINGHIGH PRESSURE GAS CYLINDERS
- DOCUMENTATION
- COMPLIANCES
- GLOSSARY OF TERMS
- ANALYZER SYSTEM ARCHITECTURE
- SECTION 1: DESCRIPTION AND SPECIFICATIONS
- SECTION 2: INSTALLATION
- SECTION 3: OPERATION
- SECTION 4: MAINTENANCE AND SERVICE
- SECTION 5: TROUBLESHOOTING
- SECTION 6: REPLACEMENT PARTS
- RETURN OF MATERIAL
- LIST OF FIGURES AND TABLES
- SUPPLEMENT
Instruction Manual
HAS64E-IM-HW
September 2008
NGA 2000 HFID
4 - 1Maintenance and ServiceEmerson Process Management GmbH & Co.OHG
SECTION 4
MAINTENANCE AND SERVICE
4-1 OVERVIEW
This section contains instructions and procedures for
troubleshooting and maintaining the HFID analyzer
module.
The HFID Analyzer Module requires very little mainte-
nance during normal operation.
The gas path system should be leak tested at least twice
a year and after maintenance, replacement or repair of
gas path parts.
Several components may require replacement. These
are discussed in the following sections.
Tag each connector and its location before disconnect-
ing any wiring. This helps in reassembly.
To access the internal components of the analyzer mod-
ule, perform the following:
1. Remove power to the unit; shut off gases and dis-
connect lines. Allow module to cool.
2. Refer to Figure 4-1. Remove the six screws se-
curing the front panel, then the six screws secur-
ing the cover to the rear panel. Slide cover to-
wards rear panel to remove. Loosen four screws
securing inner insulation shield to base, lift up to
remove.
Figure 4-2 illustrates the locations of major components
of the HFID.
ELECTRICAL SHOCK HAZARD
Do not operate without covers secure.
Do not open while energized.
Disconnect power to the module(s)
prior to replacing components.
This equipment should not be adjusted
or repaired by anyone except properly
qualified service personnel.
WARNING
PRESSURIZED ENCLOSURE
This enclosure shall not be opened unless the area
is known to be free of flammable materials or un-
less all devices within have been de-energized.
This equipment should not be adjusted or repaired
by anyone except properly qualified service
personnal!
CAUTION
WARNING
GENERAL HAZARD
Before starting of maintenance and service to this
equipment, read the "Essential instructions" on
the inside cover and the Safety Summary begin-
ning on page P-2.Failure to follow the safety in-
structions could result in serious injury or death.
UNAUTHORIZED SUBSTITUTION OF
COMPONENTS
Tampering with or unauthorized substitution of
components may adversely affect the safety of this
instrument. Use only factory documented/ap-
proved components for repair.
Because of the danger of introducing additional
hazards, do not perform any unauthorized modifi-
cation to this instrument!
WARNING