PMC PROCEDURE (continued) NM2B
6.19B.20 Is the "O
2
/N
2
O FLOW RATIO" alarm activated? ___ (N)
* 6.19B.21 Set the Gas Selector switch to "O
2
+N
2
O".
6.19B.22 Close the oxygen flow control valve.
( ) 6.19B.23 What is the flow of nitrous oxide? ___ ml/min. (0)
6.19B.24 Is the "O
2
/N
2
O FLOW RATIO" alarm activated? ___ (N)
6.19B.25 Close the nitrous oxide flow control valve.
* Does not apply to 2-gas machines.
Rev. Y
6-46
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