Figure 5-15. Corner Screws On Coupling Optics Plate - Thermo Scientific Omni FTIR Multi Gas CEMS Instruction Manual

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4. Using the Phillips screwdriver, remove the ground wire from the rear
plate of the gas cell assembly. Disconnect the 2 blue connectors for the
heaters at the rear of the unit by carefully pulling them apart.
5. Disconnect the temperature sensor connector from the sensor by
pulling it off, exposing the 3 metal prongs. Note that the red dot on the
connector lines up with the red dot on the sensor.
6. Using the 9/16-inch wrench, disconnect the two 3-foot heated lines
from the elbow fittings at the rear of the unit. Note or mark their
position to facilitate re-connection.
7. Using the Phillips screwdriver, remove the 20 screws that mount the
cover on the coupling optics, and then remove the cover. Do not
remove the 2 screws on the front that are further away from the edge
than the other screws.
8. Using the 5/32-inch hex wrench, remove the 4 corner screws that
mount the gas cell and coupling optics plate to the top of the analyzer.
Using 2 people, carefully lift the plate up over the 2 alignment pins in
the front corners of the analyzer, and then remove the plate and put it
in a safe place (Figure
Figure 5–15. Corner Screws on Coupling Optics Plate
9. Locate the rectangular top access panel toward the rear of the analyzer.
Using the 5/32-inch hex wrench, remove the 4 corner mounting screws
and remove the top access panel
Preventive Maintenance and Servicing
Maintenance and Servicing of the FTIR Analyzer Components
5–15).
(Figure 5–16).
Omni FTIR Multi Gas CEMS Instruction Manual 5-27