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Servicing
Cleaning the Mirrors
Cleaning the
Flash Lamp
Replacement
7-12
Model 43i Trace Level-Enhanced Instruction Manual
Retaining Screws (4)
Figure 7–6. Replacing the Optical Bench
The mirrors located in the optical bench do not come in contact with the
sample gas and DO NOT need cleaning. Read the Equipment Damage
Mirrors
warning that follows.
Equipment Damage DO NOT attempt to clean the mirrors in the optical
bench. These mirrors do not come in contact with the sample gas and
should not be cleaned. Cleaning the mirrors can damage the mirrors.
Use the following procedure to replace the flash lamp (Figure 7–7).
Equipment Required:
Flash lamp
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.
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Thermo Fisher Scientific
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Troubleshooting
