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• If the Measuring Cell Assembly cannot be cleaned in place, remove
the Measuring Cell Assembly (including the Cooler Housing/Heat-
sink Assembly) from the Electronics Enclosure.
To do this, first disconnect the Purge Air Connection from the
Cooler Housing.
Next, remove the (4) M6 x 20 screws that secure the Cooler Hous-
ing to the Electronics Enclosure. Before removing the fourth screw,
use one hand to secure the Measuring Cell/Heatsink Assembly
against the Electronics Enclosure. Two permanently mounted
alignment pins on the Electronics Enclosure will help prevent
the Measuring Cell/Heatsink Assembly from falling when the last
screw is removed.
With both hands, pull the Measuring Cell/Heatsink Assembly di-
rectly away from the Electronics Enclosure. This action will disen-
gage the electrical connections and the alignment pins.
!
The Measuring Cell/Heatsink Assembly is heavy. Use caution when
removing it.
WARNING
Move the Measuring Cell/Heatsink Assembly to a work bench or a
convenient work area.
Use a soft pad (e.g., rubber, foam, or thick cloth) between the Mea-
suring Cell/Heatsink Assembly and the work bench to avoid dam-
aging the Heatsink fins, Mounting Sleeve, or the Cooler Housing-
to-Seal (on the Electronics Enclosure) mounting surfaces.
!
The Cooler Housing-to-Seal (on the Electronics Enclosure) and Heat-
sink Mounting Sleeve are flamepath areas. Take special care to avoid
CAUTION
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 chapter.
Maintenance and Troubleshooting
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6-13
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Table of Contents
Troubleshooting
