Servicing
IR Source Replacement
7-10 Model 48i Instruction Manual Thermo Electron Corporation
Figure 7-4. Replacing the Fan
IR Source
Replacement
Use the following procedure to replace the IR source (Figure 7-5).
Equipment Required:
IR Source
Flatblade screwdriver
1. Turn instrument OFF, unplug the power cord, and remove the cover.
2. Remove the two cover screws holding the IR source cover to the motor
plate and remove the IR source cover.
3. Loosen both clamp screws from the IR source mounting posts and
remove IR source.
4. Install a new IR source by following the previous steps in reverse. Ensure
that the IR source element is evenly spaced between the mounting posts.
Fan Guard
Filter
Mounting Screws (4)
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.
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