Routine Maintenance
8-2
User’s Manual
b. The filter is properly installed in its housing. Proper installation of the filter prevents particles
from entering the device.
Figure 8-1.
Replacing the Air Inlet filter
8.2
Recommended Schedule of Maintenance
Consumables and Replacement Intervals
When used under normal circumstances - a relatively dust-free atmosphere, and without damage to the
device and its components (shocks, cracks, significant dirt) - the intervals for replacing the ventilator’s consum-
able elements are as follows:
1
2
Table 8-1.
Consumables and Replacement Intervals
Elements
Recommended Replacement Intervals
Air Inlet Filter
(Foam + Fine Particle)
Once a month or more often, depending on
the extent of soiling
Inspirited Bacteria Filter
See manufacturer’s recommendation
Patient Circuit
See manufacturer’s recommendation
Single use Single patient
FIO
2
Sensor
14 to 18 months or more often in case of persistent calibration
failure
Exhalation Block
4 months(*) (and for each new patient)
Note:
For a list of parts and accessories, refer to
Appendix F, “Parts and Accessories”
or contact your service
representative or consult www.puritanbennett.com.
* The exhalation block replacement frequency may be 3 months (**) for patients ventilated by
tracheotomy > 12 hours / day. The replacement frequency may be extended to 6 months for patients
ventilated < 12hours / day depending on the frequency of technician visits
** This minimum replacement period is based on bench test validation performed under 24/24
continuous ventilation and active humidification conditions over a period of 3 months. (Test report
N°08DE265). Test report results show that no condensation or drops of water that would affect flow
measurement were found in the exhalation block or the Piezzo valve.
Summary of Contents for Puritan Bennett 560
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