Instruction Manual

748297-E June 2003

Model NGA2000 HFID

Installation

WARNING

BURNER CONTAMINATION

Do not handle internal parts of the burner with bare hands. All tools used for maintenance must be free of con- taminates.

1.Install new lower gasket, jet assembly and upper gasket into burner base, finger-tight jet nut.

2.Install new sample jet (with gasket) and tighten.

3.Tighten jet nut.

4.Install air baffle per Figure 4-8 on page 4-9.

Note

Incorrect installation of air baffle will cause ignition failure.

5.See Figure 4-7B on page 4-8. Insert new o-ring into burner base.

6.Set combustion chamber into burner base being careful not to move air baffle.

7.See Figure 4-7A on page 4-8. Insert new gasket on combustion chamber, install burner cap and burner cap re- tainer, torque screws to 6 inch lbs.

4-10 Maintenance and Troubleshooting

Rosemount Analytical Inc. A Division of Emerson Process Management