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16. User Operational Checks
1. Functional test as described on page 19 should be carried out every time the
patient circuit is changed.
2. Check the running time meter on the rear of the ventilator to see if preventative
maintenance or overhaul is due. Arrange if necessary.
3. It is the users responsibility to ensure that the ventilator is maintained in accordance
with the service programme;
Preventative maintenance : 6 monthly
Overhaul : 10,000 hours or 24 monthly.