6-16
WARNING
z Before connecting a patient, flush the anesthesia machine with 5 L/min of O
2
for at
least one minute. This removes unwanted mixtures and by-products from the
system.
6.11 Inspect the AGSS
Assemble the AGSS as described in 13.10.2Assemble the AGSS and then turn on the waste
gas disposal system. Check if the float can rise and exceed the “MIN” mark. If any blockage,
tackiness, or damage occurs to the float, disassemble and assemble the float again or replace
the float.
NOTE
z Do not block the AGSS pressure compensation openings during the inspection.
If the float cannot rise, the possible reasons are:
1. The float is tacky. Turn over the AGSS and check if the float moves up and down freely.
2. The float is rising slowly. The filter may be blocked. Check if the filter is blocked as
described in 14.2.13.1Filter.
3. The waste gas disposal system is not working or the pump rate is less than 50 L/min at
which the AGSS works normally. Check the waste gas disposal system as described in
13.10.3 Waste Gas Disposal System.
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