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11 Maintenance
11.3.1 Cleaning or replacing the fan filter
Pull off the filter cover. Either install a new filter; or wash the
existing filter in a mild soap solution, rinse, and dry.
11.3.2 Removing a gas supply filter housing
NOTE:
Refer the gas supply microfilters for servicing by
a HAMILTON MEDICAL authorized service personnel.
Never attempt to clean a microfilter.
Disconnect the ventilator from the gas supply. Unscrew the
filter housing. Clean the housing if desired and replace it.
11.3.3 Replacing the oxygen cell
WARNING
To reduce the risk of explosion, DO NOT burn the
oxygen cell or force the cell open.
NOTE:
• Observe the orientation of the connector when
installing the oxygen cell.
• Dispose of the oxygen cell according to your insti-
tution’s protocol. Comply with all local, state, and
federal regulations with respect to environmental
protection.
Remove the oxygen cell cover by pushing lightly downward;
then disconnect the cell connector and remove the cell. Install
the new cell; then replace the oxygen cell cover. Run the oxy-
gen cell calibration.
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