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Daily and Routine Maintenance of Anesthetic Machines

Maintaining your anesthetic machine is crucial to ensure safe and efficient operation during procedures. Regular care and attention to key components, such as the vaporizer, soda sorb, and breathing accessories, can extend the life of your equipment while ensuring optimal performance. In this guide, we’ll walk you through the essential daily and routine maintenance steps, from vaporizer care to pressure testing, so you can keep your machine in top condition and prevent unexpected issues. Whether you’re working with a small system or a larger one, these simple tasks will help you avoid downtime and maintain a safe environment for your patients.
Vaporizer Care
- Clean fill cap, o’ring and funnel with alcohol moistened gauze
- Tighten drain pin in center of funnel (not applicable with all vaporizers)Â
- Clean vaporizer externally with moist gauze
Changing Soda Sorb
- Replace when color changes or every month
- Remove granules and dust from all surfaces
- Check gaskets for warping and canister for cracks
- Do not over fill the canister
- Perform a pressure test
Care of the Machine
- Disconnect breathing tubes and bags from the machine when not in use
- If one way valves have excessive moisture, remove dome and wipe dry
- Check vaporizer connections
Pressure Test
- Occlude the inspiratory and rebreathing bag port
- Close the pop-off valve
- Using the flowmeter (DO NOT USE THE FLUSH VALVE), increase the pressure on the manometer to 30 cm / H20
- Turn the oxygen off
- Observe the manometer for 30 seconds:
- If the manometer remains at 30 cm / H20, the equipment is safe to use
- If the manometer increases in pressure, there is a significant oxygen leak in the flowmeter or flush valve and needs to be corrected before using the machine
- If the manometer pressure begins to drop, set the oxygen flow at 200 cc / minute and observe the manometer
- The pressure on the manometer should remain constant or rise
- If the manometer continues to drop there is a leak in the equipment which needs to be isolated and corrected before using the machine
- If a leak is detected, turn off oxygen cylinder or disconnect equipment, contact your Vetamac service technician for assistance
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Verify the pop-off valve is open after pressure testing is complete!








