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Inspect the Active AGSS Preoperative Tests

4 - 30 046-004667-00 A7™ Operating Instructions

7. Turn the APL valve control to the SP position to fully open the APL valve.

8. Set all gas flows to zero.

9. Ensure that the breathing system is correctly connected and not damaged.

WARNING: Before connecting a patient, flush the A7 anesthesia machine with 8 L/

min of O

for at least two minutes. This removes unwanted mixtures

and by-products from the system.

4.17 Inspect the Active AGSS

1. Connect the vacuum hose to the EVAC port or vacuum port of the healthcare facility and

turn on the waste gas disposal system. Adjust the position of the float to be between the

MIN and MAX lines by turning its flow adjustment knob (counterclockwise increases flow,

clockwise decreases flow).

2. Ensure that the float rises and exceeds the MIN mark. If any blockage, tackiness, or damage

occurs to the float, disassemble, clean the filter, and assemble the float again or replace the

float.

3. Drain any moisture from the waste gas hose. Reconnect the waste gas hose to the active

AGSS waste gas port.

NOTE: Do not block the active AGSS pressure compensation openings during

the inspection. If the float cannot rise, the possible reasons are:

1. The float surface is tacky. Turn over the active 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.

3. The waste gas disposal system is not working or the pump rate is less

than the minimum flow value of the active AGSS specification. Check

the waste gas disposal system.

CAUTION: Keep the inlet port cover of AGSS three ways connector assembly

closed when the ACGO circuit is not used.

4.18 Inspect the Negative Pressure Suction Device

1. Assemble the negative pressure suction device.

2. Occlude the suction tube inlet at the patient end.

3. Turn on the negative pressure pipeline supply.

4. Set the selector switch to REG.

5. Turn the negative pressure adjustment knob to the maximum position and verify if the

reading on the pressure gauge increases gradually.

Mindray A7 Operating Instructions

Other manuals for Mindray A7