Specifications

Heated Flame Ionization Detector Analyzer Module
Rosemount Analytical NGA 2000
748414-A
August 1999
39
MAINTENANCE AND TROUBLESHOOTING
4
4.2.4.2 C
ARTRIDGE
H
EATER
1. Remove oven from analyzer module per Section 4.2.1.1
2. Remove burner/thermal block from oven per Section 4.2.1.2.
3. Refer to Figure 4-9. Loosen retaining set screw, pull out cartridge heater.
4. Install replacement cartridge heater, snug down set screw.
5. Install burner/thermal block into oven.
6. Install oven into analyzer module.
4.2.4.3 T
HERMOSTAT
1. Remove oven from analyzer module per Section 4.2.1.1
2. Remove burner/thermal block from oven per Section 4.2.1.2.
3. Refer to Figure 4-9. Remove the two retaining screws, pull thermostat out.
4. Install replacement thermostat, attach with the two retaining screws.
5. Install burner/thermal block into oven.
6. Install oven into analyzer module.
4.2.4.4 S
AMPLE
C
APILLARY
1. Remove oven from analyzer module per Section 4.2.1.1
2. Remove burner/thermal block from oven per Section 4.2.1.2.
3. Remove burner from thermal block per Section 4.2.3.1
4. Refer to Figure 4-10. Remove the two screws securing the capillary cover to thermal
block, remove cover.
5. Remove capillary nut, remove capillary.
6. Install replacement capillary.
7. Insert capillary into thermal block. The capillary may require bending to fit.
8. Install cover.