Spacelabs BleaseSirius - Inspiratory Valve Leak Test; Figure 32 - Setup for Inspiratory Valve Test

80
System Checks
8. Pressurize the bag to 30 cmH
2
O (using absorber gauge) by turning up the
O
2
fl ow. Once 30 cmH
2
O is reached, reduce the O
2
back to its minimum
position.
9. Check the fl ow measuring device for any fl ow. Less than 60 ml/min is
acceptable.
10. If you fi nd a leak, replace the valve seat or valve disc. See Chapter 5 in
this service manual for replacement procedures.
4.14.2 Inspiratory Valve Leak Test
1. Remove the O
2
sensor plug and attach an additional breathing bag to the
inspiratory port (Figure 32).
Figure 32 - Setup for Inspiratory Valve Test
2. Pressurize the bag to 30 cmH
2
O (using the absorber gauge) by turning up
the O
2
fl ow.
3. Remove the bag on the bag port and attach a fl ow measuring device as
indicated in Figure 33.