MODEL 1000 SEP 2005
MAINTENANCE
5-7
The following circuit assemblies are located inside the upper purged enclosure:
- Temperature controller/valve-driver printed circuit assembly (on the left side of the
housing)
- The preamplifier printed circuit assembly (on the right side of the housing)
- Decoder control printed circuit assembly, which is reached by unplugging the
temperature controller/valve-driver and the preamplifier printed circuit assembly.
5.3.2 Detector Elements, Heater Elements, Valves and Columns
The detector elements, heater elements, valves and columns are located in the middle, or oven
section of the Analyzer.
- The detector elements are located in the explosion-proof housing inside the middle
oven section of the Analyzer. To gain access to the detector elements, open the oven
door, and remove the cover plate of the explosion-proof housing inside.
- The columns are also located inside the middle, or oven section of the Analyzer.
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