Service manual

Radical Signal Extraction Pulse Oximeter Service Manual
UM10029–0406
3-1
3. Battery Operation and Maintenance
3.1. Overview
3.1.1. The Rad-8 oximeter uses a 6 volt, 1.4AHr lead acid, sealed,
rechargeable battery.
3.1.2. Please reference the Rad-8 Operator’s Manual for
specifications on battery charge time and capacity.
3.2. Replacing the Batteries
3.2.1. Turn the Rad-8 oximeter off and remove the patient cable
connection.
3.2.2. Place the unit on its side with the rubber footings facing up.
3.2.3. Remove the four screws from the housing assembly.
3.2.4. Carefully remove the speaker-side housing assembly. DO
NOT pull housing away as it may damage the speaker
cable.
3.2.5. Remove the speaker connector from the system board and set
the housing aside.
3.2.6. Carefully lift the battery out of the housing and remove the
positive and negative battery connections.
3.2.7. Install the replacement battery. Verify proper positioning of the
(+) positive and (-) negative connectors. Reverse steps 3.2.3
through 3.2.6 to reassemble.
3.2.8. Verify the unit turns on, that all the LEDs momentarily light (AC
LED will not illuminate when powering on with battery power
only), that the low battery LED is not illuminated, and that the
unit stabilizes to a normal operation mode.
CAUTION: Follow local governing guidelines for proper disposal of
internal batteries. Do not incinerate.