Emerson Process Management NGA2000 HFID 用户手册

748297-E 

June 2003 

Rosemount Analytical Inc.    A Division of Emerson Process Management  

Maintenance  and Troubleshooting     4-9 

Model NGA2000 HFID 

Air Baffle (Ref) 
102260 
See Detail 

Sample Jet 
657005 

Gasket 
102256 

Jet Assembly 
657012 

Gasket 
102273 

Nut, Jet 
657016 

 
 

Air Baffle 

≈  .06

Position with tab over
the air hole
(approximately 1/16” to
the right).

End bent to raise it above the tab a
distance equal to the height of the tab.

5.  Holding burner base, lift burner cap 

off of assembly, set aside. 

6. Remove 

gasket. 

7.  Refer to Figure 4-7B on page 4-8.  

Holding burner base, lift combustion 
chamber off, set aside. 

8.  Refer to Figure 4-8 below.  Lift air baf-

fle out of burner base. 

9.  Remove the sample jet and gasket 

from the bottom of the burner base.  

10.  Remove the jet nut.  Grasp jet as-

sembly and lift out (along with upper 
gasket) of burner base.  Remove bot-
tom gasket.