Maintenance and Troubleshooting | 6-11
Before beginning, read the following Caution and Warnings:
Turning off the power deactivates the solenoid valve in the closed posi-
tion.
The Cooler Housing-to-Seal (on the Electronics Enclosure) and Heat-
sink Mounting Sleeve are flamepath areas. Take special care to avoid
scratching, indenting, or otherwise damaging these joining surfaces.
If unsure about the integrity of these flamepaths, see “Examining and
Caring For the Flamepaths” in this document.
Hazardous Locations
Before proceeding, test the area around the analyzer for explosive
gases and proceed only when the area is found to be safe.
Do not open the Electronics En closure, do not connect a serial cable to
the RS-232 serial port Communications Port, and do not power up/
down the analyzer or computer if there is an explosive gas atmosphere
present.
The Measuring Cell Assembly contains integral flame arrestors on the
bottom of the Cell. Do not replace these flame arrestors with standard
fittings.
Shut down main AC power to the analyzer before disassembling the
Measuring Cell Assembly or removing the entire Cooler Housing/
Heatsink/Measuring Cell Assemblies. Also, the joining surfaces of
these assemblies are flamepaths.
!
WARNING
!
CAUTION
!
WARNING
!
WARNING
!
CAUTION
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