Emerson Process Management NGA2000 HFID Manual Do Utilizador

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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