Thermo Scientific 49i, Instruction Manual, Page: 215 / 314

Servicing
Ozone Scrubber Replacement
Thermo Fisher Scientific Model 49
i
Instruction Manual 7-31
4. Loosen the Allen screw(s) securing the detector(s) in detector block and
remove the detector(s).
5. Install the new detector(s) by following the above steps in reverse.
6. Calibrate the instrument. Refer to the “Calibration” chapter in this
manual.
Ozone Scrubber
Replacement
Use the following procedure to replace the ozone scrubber.
Equipment required:
Ozone scrubber
Open-end wrench, 5/8-inch
Use the following procedure to replace the ozone scrubber.
1. Turn instrument OFF, unplug the power cord, and remove the cover.
2. Loosen fittings on each end of the scrubber and remove the tubing.
3. Remove the scrubber from the spring clip.
4. Replace scrubber by following the previous procedure in reverse. Make
sure that the tube ends have passed through the ferrule of the fitting and
that the fittings are tight.
5. Re-install the instrument cover.
6. Perform a leak test. Refer to the “Ozone Scrubber Test” in the
“Preventive Maintenance” chapter.
Equipment Damage Some internal components can be damaged by small
amounts of static electricity. A properly grounded antistatic wrist strap must
be worn while handling any internal component.