Specifications

Heated Flame Ionization Detector Analyzer Module
Rosemount Analytical NGA 2000
748414-A
August 1999
45
MAINTENANCE AND TROUBLESHOOTING
4
4.2.5.4 P
REAMP
A
SSEMBLY
1. Per Section 4.2.5, remove securing hardware from electronics assembly and lay on
bench.
2. Disconnect and note location of cables.
3. Remove the two screws and washers from the top bracket and slide the preamp
assembly out.
4. Remove the lower bracket from the preamp assembly and install on replacement
preamp assembly.
5. Slide replacement preamp assembly into top bracket and secure with mounting
hardware.
6. Re-connect cables.
F
IGURE
4-15. P
REAMP
A
SSEMBLY
I
NSTALLATION
Bottom Bracket
Top Bracket
Preamp Assembly
656945