Breathing System Tests Preoperative Tests
4 - 26 046-004667-00 A7™ Operating Instructions
4.14.3 APL Valve Test
1. Select the End Case button in the Manual tab.
2. Follow the screen prompts to end the case and enter Standby mode.
3. Set the Auto/Manual switch to Manual.
4. Connect the manual bag to the manual bag port.
5. Connect the Y-piece on the breathing circuit to the leak test port.
6. Turn the APL valve control to 30 cmH
2
O.
7. Set the O
2
flow to 10 L/min. Turn any other gases off.
8. Press the flush button until the manual bag is inflated and then release the button. Ensure
that the reading on the airway pressure gauge is with the range of 25 cmH
2
O to 40 cmH
2
O
after it is steady.
9. Turn the APL valve control to the fully open position.
10. Set the O
2
flow to 3 L/min. Turn any other gases off.
11. Ensure that the reading on the airway pressure gauge is less than 5 cmH
2
O.
12. Push the O
2
flush button continuously. Ensure that the reading on the airway pressure
gauge does not exceed 10 cmH
2
O.
13. Turn the O
2
flow to zero. Ensure that the reading on the airway pressure gauge does not
decrease below 0 cmH
2
O.
To Next Page
Loading...
Need help?
General
