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Instruction Manual
760004-A
February 2002
4-14 Maintenance and Service Rosemount Analytical Inc. A Division of Emerson Process Management
Model NGA 2000 HFID
4-6 ELECTRONICS ASSEMBLY
The electronics assembly must be removed
from the chassis if replacement of any of the
following components is necessary:
Power Supply Board
Safety Board
Computer Analysis Board
Preamp Assembly
Sensor Board
Case Temperature Sensor
Case Pressure Switch
1. Remove the hex nut and screw as
shown in Figure 4-11.
2. Lay electronics assembly on bench,
do not disconnect cables or tubing.
Figure 4-11. Removing Electronics Assembly from Chassis
Electronics Assembly
656943
Hex Nut
Screw