Allied Healthcare Products DC Portable Aspirator L190-GR

Remove the power cord from the IEC Connector

Clean the enclosure with a slightly damp cloth

Use a mild solution of soap and water on the cloth

Remove traces of soap with a damp cloth soaked in water

Wipe the unit dry after cleaning

Lift the container from the holder

Remove the accessory port cap or unscrew the jar lid

Remove the Case Back and Case Front from the Case Bottom

Remove the three screws that attach the battery hold down bracket to the Case Bottom

Remove the battery hold down bracket

Remove the Power Supply from the Case Bottom

Disconnect the Wire Assemblies from the Power Supply

Reconnect the Wire Assemblies to the Power Supply

Reattach the Power Supply to the Case Bottom

Identify the battery type and part number

Remove the Case Back and Case Front from the Bottom

Remove the brown wire connection from the battery (+)

Remove the green wire connection from the battery (-)

Remove battery hold down bracket

Remove the three screws that attach the battery hold down bracket to the Case Bottom

Remove the battery hold down bracket

Record the vacuum reading with the filter open to atmosphere

Is the vacuum reading in excess of 50 mm Hg?

Treat the following as biohazard materials

Has alcohol or solvents been used extensively?

Remove the Case Front from the Case Bottom

Disconnect the tubing connecting the regulator elbow fitting to the bulkhead fitting assembly

Remove the regulator knob by loosening the two set screws

Remove the regulator hex cap by unscrewing from the regulator body

Remove the regulator and gauge assembly from the Front Case

Assemble new gauge with its face oriented parallel to the Front Case control panel surface