Covidien Puritan Bennett 540, User Manual, Page: 98 / 141

Routine Maintenance
8-2
Puritan Bennett 540™ Ventilator User’s Manual
.
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, and so on)—the intervals for replacing
the ventilator’s consumable elements are as follows:
Failure to observe these recommendations may result in a loss of performance, excessive overheating,
a loss of certain functions and, in the long term, compromise the longevity of the ventilator.
Maintenance of the Internal Battery
The internal battery does not need to be removed to verify its correct operation.
1
2
Table 8-1. Consumables and Replacement Intervals
Elements Recommended Replacement Intervals
Air Inlet Filter
(Foam + Fine Particle)
Every two months or more often, depending on
the extent of soiling
Inspiratory Bacteria Filter See manufacturer’s recommendation
Patient Circuit See manufacturer’s recommendation
Exhalation Block 3 months (for each new patient)
Note:
For more information regarding parts and accessories for the Puritan Bennett 540 Ventilator contact
your service representative or www.puritanbennett.com.
WARNING
•
Regularly check the cleanliness of the air inlet filter located on the rear of the ventilator. Replace it
when necessary—even before the recommended replacement period has elapsed, and particularly
when the ventilator is installed on the wheelchair. Environmental conditions may cause the filter to
become dirty more rapidly.