Repairing the Anesthetic Gas Module 9 Anesthetic Gas Module
237
4
Stand the IR measurement mounting bracket on end (refer to “Lifting the IR Measurement
Mounting Bracket” on page 233).
5 Using a cross-tipped screwdriver, remove the 3 screws (4) securing the IR measurement assembly
head to the IR measurement mounting bracket.
6 Remove the IR measurement assembly head carefully from the IR measurement mounting bracket.
Replacement
To replace the IR measurement assembly head (refer to Figure 60 and Figure 61):
1 Place the IR measurement assembly head in the IR measurement mounting bracket so that the
threaded bores on the head align with their corresponding locating holes on the IR measurement
mounting bracket.
2 Using a cross-tipped screwdriver, replace the three screws (4) securing the IR measurement
assembly head to the IR measurement mounting bracket.
3 Replace the IR measurement mounting bracket (refer to “Lifting the IR Measurement Mounting
Bracket” on page 233).
4 Replace the transducer reference connection (3) located on the side of the IR measurement
assembly head.
5 Replace the pneumatic connections (2) to the sample cell (located on top of the IR measurement
assembly head).
NOTE Check that all tubing is tightly connected and show no signs of damage.
6 Replace the flat-cable (1) connector to the main PC board.
NOTE After replacing the IR measurement assembly head, check that all flat-cable connectors are firmly
seated and show no signs of damage.
Now perform the performance checks described in the “Test and Inspection Matrix” on page 262.
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