Replacing The Gas Cell; Figure 5-31. Ftir Cell Pressure Sensor Replacement - Thermo Scientific Omni FTIR Multi Gas CEMS Instruction Manual

Preventive Maintenance and Servicing

Replacing the Gas Cell

Replacing the
Gas Cell
5-42 Omni FTIR Multi Gas CEMS Instruction Manual
Figure 5–31. FTIR Cell Pressure Sensor Replacement
5. Using the 9/16-inch and 3/4-inch wrenches, loosen the nut on the rear
of the sensor and remove it
sensor.
6. Install the new sensor using the above wrenches and tighten the fitting
until snug, putting it in approximately the same orientation as it was
before.
7. Re-install the cable assembly by pressing it onto the 4 tabs on the
sensor. Note that 1 tab is wider than the other 3 so that it can only be
installed one way. Tighten the captive screw until it is snug.
8. Follow steps 1–3 in reverse order to complete the procedure.
Use the following procedure to replace the FTIR gas cell. When the gas cell
is replaced, you need to run through the mirror alignment procedure,
preferably by a trained service technician.
Equipment Required:
Wrench, 9/16-inch, 7/16-inch, and 3/4-inch
Hex wrench, 5/32-inch and 7/64-inch
Phillips screwdriver
Gas cell
(Figure 5–31). Note the orientation of the
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