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

NGA 2000 HFID
Instruction Manual
HAS64E-IM-HW
September 2008
4 - 6 Maintenance and Service Emerson Process Management GmbH & Co.OHG
4-4 BURNER
This section covers burner components which can be
replaced without removal of oven from the chassis.
a. Temperature Sensor
1. Refer to Figure 4-4A. Remove the four screws on
the oven cover, remove cover.
2. Refer to figure 4-5. Remove the burner cap re-
tainer.
3. Disconnect the temperature sensor wiring con-
nector, note location.
4. Remove the temperature sensor.
5. Insert replacement sensor.
NOTE
The leads of the temperature sensor must be lead-
ing away and down from the sensor to enable
proper fit of burner cap retainer.
6. Install the burner cap retainer. U-slot must be lo-
cated above temperature sensor.
7. Re-attach wiring connector.
8. Install oven cover.
b. RTD Detector
1. Refer to Figure 4-4A. Remove the four screws on
the oven cover, remove cover.
2. Refer to Figure 4-5. Loosen the set screw secur-
ing RTD detector.
3. Disconnect RTD detector wiring connector, note
location.
4. Gently grasp RTD detector wires and pull out of
hole.
5. Insert replacement RTD detector into hole, snug
down set screw.
6. Re-attach wiring connector.
7. Install oven cover.
c. Igniter
1. Refer to Figure 4-4A. Remove the four screws on
the oven cover, remove cover.
2. Refer to Figure 4-5. Disconnect the Igniter wiring
connector, note location.
3. Using an open-end wrench, unscrew the igniter
assembly from the burner. Verify that o-ring is also
removed.
4. Install replacement igniter and new o-ring. Using
open-end wrench, snug down.
Do not over-tighten!
5. Re-attach wiring connector.
6. Install oven cover
d. Flameout Sensor
1. Refer to Figure 4-4A. Remove the four screws on
the oven cover, remove cover.
2. Refer to Figure 4-5. Disconnect the flameout de-
tector wiring connector, note location.
3. Lift up the burner cap until flameout sensor is ac-
cessible. Using an open-end wrench, unscrew the
flameout detector from the burner. Verify that o-
ring is also removed.
4. Install replacement flameout detector and new o-
ring. Using open-end wrench, snug down.
Do not over-tighten!
5. Re-attach wiring connector.
6. Install oven cover.