A7™ Operating Instructions 046-004667-00 4 - 3
Preoperative Tests Inspect the System
4.2 Inspect the System
NOTE: Ensure that the breathing system is correctly connected and not
damaged.
Perform the following inspection checklist before operating the A7 unit:
1. The A7 anesthesia machine is correctly connected and undamaged.
2. Inspect the system for:
a. Damage to flowmeters, vaporizers, gauges, supply hoses
b. Complete breathing system with adequate CO
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absorbent Pre-Pak or loose fill
c. Correct mounting of cylinders in yokes
d. Presence of cylinder wrench
e. Auxiliary O
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supply, available and functioning
3. Check that:
a. Gas cylinders are turned off until needed to prevent the unintended use of gases
b. Vaporizers are off
c. Vaporizers are filled (not overfilled)
d. Filler caps are sealed tightly
e. Only one vaporizer can be turned on at the same time
4. All components are correctly attached.
5. The breathing system is correctly connected, the breathing tubes are undamaged, and the
self-inflating manual ventilation device is available and functioning.
6. The gas supplies are connected and the pressures are correct.
7. Cylinder valves are closed on models with cylinder supplies (Verify that the cylinder wrench
is attached).
8. The necessary emergency equipment is available and in good condition.
9. Equipment for airway maintenance and tracheal intubation is available and in good
condition.
10. Inspect the color of the soda lime in the canister. Replace the soda lime immediately if
obvious color change is detected. The soda lime is white when new. If it is purple, it must be
changed.
WARNING: Check if the gasket is properly installed in place while installing the
absorber canister. If the gasket is not properly installed (for example,
gasket is not evenly seated and centered) it may cause breathing
system leakage.
11. Applicable anesthetic and emergency drugs are available.
12. The casters are not damaged or loose, and the brake(s) is set and prevents movement.
13. Ensure the breathing system is in proper position.
14. The AC mains indicator and the battery indicator are displayed when the power cord is
connected to the AC power source. If the indicators are not displayed, the system does not
have electrical power.
15. The A7 anesthesia machine is switched on or off normally.
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