Emerson Process Management ROSEMOUNT NGA2000 HFID - Manual (Page 50)

Instruction Manual
748297-E
June 2003
4-12 Maintenance and Troubleshooting Rosemount Analytical Inc. A Division of Emerson Process Management
Model NGA2000 HFID
Capillary
Cover
Thermostat
1. Remove oven from analyzer module
per Section 4-2a on page 4-3.
2. Remove burner/thermal block from
oven per Section 4-2b on page 4-4.
3. Refer to Figure 4-9 on page 4-11.
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.
Sample Capillary
1. Remove oven from analyzer module
per Section 4-2a on page 4-3.
2. Remove burner/thermal block from
oven per Section 4-2b on page 4-4.
3. Remove burner from thermal block
per Section 4-2c on page 4-7.
4. Refer to Figure 4-10 below. Remove
the two screws securing the capillary
cover to thermal block, remove cover.
5. Remove capillary nut, remove capil-
lary.
6. Install replacement capillary.
7. Insert capillary into thermal block.
The capillary may require bending to
fit.
8. Install cover.
Figure 4-10. Thermal Block Assembly