ThermoFisher Scientific Ozone Primary Standard 49iQPS, Instruction Manual

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Servicing
49iQPS Photometer DMC
6-34 49iQPS Instruction Manual Thermo Scientific
Use the following procedure to remove the pre-amplifier/detector assembly.
Equipment required:
Hex drive, 7/64
1. Turn instrument OFF, unplug power cord, and remove the cover
(
Figure 2–1 ).
2. Unplug electrical cable from detector 1 and detector 2.
Figure 6–40. Preamp Detector Cover Removal
3. Using a 7/64 hex drive, unfasten two #6-32 cap screws.
Detector Assembly
Replacement