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Instruction Manual
760004-A
February 2002
Rosemount Analytical Inc. A Division of Emerson Process Management Maintenance and Service 4-3
Model NGA 2000 HFID
Oven Assembly
659551
4-2 OVEN
Though the oven can be replaced as a com-
plete unit, all internal components are field re-
placeable.
a. Removal
Refer to Figure 4-3, disconnect the oven's
three gas lines and seven electrical ca-
bles, noting location of mating connectors
for re-installation.
NOTE
DO NOT remove the fittings from the
gas lines on the detector.
Remove the two hex nuts securing the
oven to the chassis and the two
screws securing oven to the rear
panel. Lift oven assembly from ana-
lyzer.
Figure 4-3. Removal of Oven from Chassis