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Instruction Manual
748297-E
June 2003
Rosemount Analytical Inc. A Division of Emerson Process Management Maintenance and Troubleshooting 4-13
Model NGA2000 HFID
Electronics Assembly
656943
Hex Nut
Screw
e. Electronics Assembly
The electronics assembly must be re-
moved from the chassis if replacement of
any of the following components is nec-
essary:
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 below.
2. Lay electronics assembly on bench,
do not disconnect cables or tubing.
Figure 4-11. Removing Electronics Assembly from Chassis