8-88
Test procedure:
1. Turn off the pipeline gas source and press the quick oxygenation key to release the
remaining pressure.
2. Disconnect pipeline 63. Pull out the pipeline end that connects to the cylinder bracket
and do not pull out the other end.
3. Connect a PU tube (8x200) to the Y-shape tube.
4. Connect the other end of the PU tube to the test pressure gauge by using the 3106-06-08
adapter connector and 3106-04-06 adapter connector.
5. Turn on the pipeline O2 source.
6. Turn on the anaesthesia machine and enter standby mode.
7. Turn off all flow regulators.
8. Turn off the pipeline gas source. If the reading on the test pressure gauge decreases
sharply and continues to decrease sharply after the gas source is turned off, the O2
supply inlet, expiratory valve, quick oxygenation key, system switch, or O2 flow
regulator has one or more leaks. Rectify the faults and perform subsequent operations.
9. Manually adjust the O2 flow regulator until the O2 flow reaches about 1 L/min and the
reading on the test pressure gauge decreases to 0.25 MPa (2.5 bar).
10. Turn off the O2 flow so that the reading on the test pressure gauge does not decrease. If
the alarm O2 Supply Failure is generated after 10 seconds, the pressure switch of the O2
supply inlet is damaged. Handle this problem according to the relevant fault
identification table.
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