A5/A3™ Service Manual 046-001141-00 3 - 43
Periodic Maintenance Vaporizer Accuracy Test
3.15 Vaporizer Accuracy Test
1. Set the APL Valve to 70 cmH2O.
2. Put the AUTO / MANUAL lever in the MANUAL position.
3. Connect one end of a breathing hose to the expiratory port and the other end to the bag arm.
4. Connect the sampling tee of the Gas analyzer to the inspiratory port
5. Use a breathing hose to connect the output of the sampling tee to the scavenger.
FIGURE 3-38 Breathing Hose Connection from Sampling Tee to Scavenger
6. Verify the scavenger is connected at the wall and the floater is between MIN and MAX.
7. Mount the vaporizers and fill with anesthetic agent (if necessary).
NOTE: Do not overfill by filling past the indicator line on the vaporizer.
8. Turn on the unit.
9. Test the vaporizer accuracy per the manufacturer's instructions.
10. Test each vaporizer in turn.
11. Test any vaporizer on the Vaporizer Storage Mount.
12. Remove the measuring equipment.
13. Reconnect the Waste Gas Scavenger Hose.
NOTE: The deviation of the vaporizers due to change of barometric pressure
(high altitude) and the deviation of the Riken F-211 gas analyzer are the
same. When testing the Vaporizers using the Riken F-211 gas analyzer,
the altitude can be ignored as the deviations cancel each other out. If
using a different gas analyzer, check the effect of change of barometric
pressure prior to use when working in high elevations.
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