Figure 7-18. Replacing The Scrubber; I/O Expansion Board (Optional) Replacement - Thermo Scientific 42i Instruction Manual

I/O Expansion
Board (Optional)
Replacement
Thermo Fisher Scientific
3. Pull the scrubber off the mounting clips.
4. Push the replacement scrubber into the mounting clips.
5. Attach the Teflon tubing at both ends of the scrubber.
6. Replace the cover.
Ammonia Scrubber
Figure 7–18. Replacing the Scrubber
Use the following procedure to replace the optional I/O expansion board
(Figure 7–19).
Equipment Required:
I/O expansion board
Nut driver, 3/16-inch
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 instrument OFF, unplug the power cord, and remove the cover.
2. Unplug the I/O expansion board cable from the EXPANSION BD
connector on the motherboard.

I/O Expansion Board (Optional) Replacement

▲
Model 42i Trace Level Instruction Manual
Servicing
7-41