Covidien Newport HT70, Operator'S Manual

Page: 113 / 148

Maintenance Guidelines
Operator's Manual 8-5

WARNING:
Always use a proximal inline filter (P/N HT6004701 or equivalent) at the prox line connector to
protect the internal pressure transducers from moisture or other contaminants.

WARNING:
Never reverse the proximal inline filter.

Caution:
Do not wash or sterilize the prox inline filter.
8.7
Maintenance Guidelines

Note:
Refer to the manufacturer’s instructions for more information about the use and maintenance of bacteria
filters.
8.7.1
Routine Maintenance
•
Perform the circuit check each time a fresh circuit/exhalation valve is installed.
•
Check the air intake filter (located behind the filter cover) at setup and at least weekly while in use. In
some environments, it may need to be checked more often. Replace when the majority of the filter
surface area is no longer white. Air intake filters are not reusable.

WARNING:
NEVER reverse the air intake filter when dirty.
•
Check the prox inline filter weekly. Replace with a new filter if it appears to have gotten wet or come
in contact with a contaminant. Inline filters are not reusable.
•
Check the mixer intake filter (located behind the mixer cover) at setup and at least weekly while in use.
In some environments, it may need to be checked more often. Replace when the majority of the filter
surface area is no longer white. Mixer intake filters are not reusable.
•
Inspect the AC power adapter on a regular basis for signs of broken or frayed cord or connectors.
•
Inspect the exhalation valve after each cleaning to verify that there are no cracks or damaged surfaces.
•
Wipe down the surface of the ventilator housing regularly to remove any dust that might accumulate.
•
Inspect and when necessary, replace accessories.
•
If service is required, contact Covidien or a local Covidien representative.