Instruction manual

Table Of Contents
NGA 2000 HFID
Instruction Manual
HAS64E-IM-HW
September 2008
4 - 14 Maintenance and Service Emerson Process Management GmbH & Co.OHG
ELECTROSTATIC DISCHARGE
The electronic parts of the Analyzer Module can
be irreparably damaged if exposed to electrostatic
discharge (ESD).
The instrument is ESD protected when the covers
have been secured and safety precautions ob-
served. When the housing is open, the internal
components are not ESD protected anymore.
CAUTION
4-7 ELECTRONICS ASSEMBLY The electronics assembly must be removed from the
chassis of replacement of any of the following compo-
nents 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 dis-
connect cables or tubing.
Figure 4-11: Removing Electronics Assembly from Chassis
Screw
Hex Nut
Electronics Assembly
656943