Positive low pressure leak test (ACGO systems only)
For ACGO machines, perform either a negative Low P Leak test or
a positive low-pressure leak test depending on local requirements.
Do a positive-pressure leak test at the ACGO port only.
1.
Connect the leak test device to the ACGO port with the positive-
pressure leak test adapter. Push the adapter into the ACGO port
throughout the test to get a good seal.
2. Fully open the needle valve on the test device. Keep the test
device flow tube vertical for accurate results.
If the needle valve is not fully open, this test can damage
the pressure gauge on the test device.
--
3. Turn the ACGO switch to the ACGO position.
4. Set the O2 flow to 500 ml.
5. Make sure that the total flow through the flowmeter on the test
device is 0.5 l/min.
6. Make sure that the pressure gauge on the test device reads
zero.
7. Close the needle valve on the test device until the test gauge
reads 20 kPa (3 psi) (BSI) or 3 kPa (0.4 psi) (ISO).
8. If the flow through the test device is less than 0.45 l/min (ISO) or
0.4 l/min (BSI), there is a low pressure leak in the anesthesia
machine. See the "Alarms and troubleshooting" section for more
information.
9. Remove the adapter and leak test device.
10. Set the O2 flow to 1 l/min and continue flow for one minute to
flush out any residual agent.
Agent mixtures from the low-pressure leak test stay in the
system. Always flush the system with O2 after the low-
pressure leak test (1 l/min for at least one minute).
Note
CAUTION
CAUTION
WARNING
Aisys CS²
5-10 2067226-001
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