Optical Switch Replacement - Thermo Scientific 48i Instruction Manual

Servicing

Optical Switch Replacement

Optical Switch
Replacement
7-16 Model 48i Trace Level-Enhanced Instruction Manual
Use the following procedure to replace the optical switch
Equipment Required:
Optical switch
Flatblade screwdriver, 1/4-inch and 3/16-inch
Philips screwdriver
Equipment Damage Some internal components can be damaged by small
amounts of static electricity. A properly ground antistatic wrist strap must
be worn while handling any internal component.
1. Turn instrument OFF, unplug the power cord, and remove the cover.
2. Remove the optical bench following the
procedure in this chapter.
3. Turn the optical bench over, remove the two screws securing the
optical switch assembly to the case, and remove the optical switch.
4. Install the new optical switch by following the previous steps in reverse.
5. Calibrate the instrument. Refer to the "Calibration" chapter in this
manual.
(Figure 7–9).
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"Optical Bench Replacement"
Thermo Fisher Scientific