Figure 7-19. Replacing The Radius Tube - Thermo Scientific 5028i Instruction Manual

Servicing
Ambient RH/Temp Replacement
Ambient RH/Temp
Replacement
7-32 Model 5028i Instruction Manual
4. Verify the sealing o-ring is in position before sliding the new radius
tube assembly into the measurement head.
5. Install the new radius tube assembly by following the previous steps
in reverse.
Figure 7–19. Replacing the Radius Tube
Use the following procedure to replace the ambient RH/temperature
assembly (Figure 7–20).
Equipment Required:
Ambient RH/temperature assembly
Adjustable wrench
Pliers
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.
1. Turn the instrument OFF, unplug the power cord, and remove the
cover.
2. Remove the cable from the bottom of the radiation shield assembly
that houses the ambient RH/temperature assembly.
3. Remove the two mounting nuts on the mounting clamp of the
radiation shield assembly. Remove the radiation shield assembly.
4. Turn over the radiation shield assembly and remove the three thumb
screws.
5. Remove the three spacers and mounting bracket.
6. Slide out the ambient RH/temperature assembly.
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