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7-4-4 Battery
Replace internal battery of the ventilator every two years or as required.
Use only
manufacturer recommended batteries (see section 2-3). Take the following actions to replace
the battery:
Loosen the screw that attaches cover of the battery compartment to the device.
Remove the battery and replace it with a correct one.
Warning
Always perform the tests related to power and battery after the battery
replacement.
7-4-5 Ventilator preventive maintenance table
The following table summarizes the replacement intervals of the ventilator accessories, the
intervals of calibrations and the person incharge of performing each operation:
Responsible person
intervals
Operation
User
Before using the ventilator
and after replacing the oxygen
sensor
Oxygen sensor calibration
User
Before using the ventilator,
after cleaning or replacing the
Exhalation flow sensor
calibration
