Specifications

748414-A
August 1999
44
Heated Flame Ionization Detector Analyzer Module
Rosemount Analytical NGA 2000
4
MAINTENANCE AND TROUBLESHOOTING
4.2.5.3 C
ASE
P
RESSURE
P
URGE
S
WITCH
1. Per Section 4.2.5, remove securing hardware from electronics assembly and lay on
bench.
2. Disconnect the two electrical terminals, note location.
3. Disconnect tube at pressure switch.
4. Remove mounting screws (2) and washers (2).
5. Reverse procedure for installation of replacement switch.
F
IGURE
4-14. C
ASE
P
RESSURE
P
URGE
S
WITCH
I
NSTALLATION
The bracket does not have to be removed from the electronics assembly for this procedure.
Case Pressure Purge
Switch 903690