Service manual

Rad-8 Signal Extraction Pulse Oximeter Service Manual
3-1
3 Battery Operation and Maintenance
3.1 Overview
3.1.1 The Rad-8 Pulse Oximeter uses a 6 volt, 1.4AHr lead acid,
sealed, rechargeable battery.
3.1.2 Please reference the Rad-8 Pulse Oximeter Operator’s Manual
for specifications on battery charge time and capacity.
CAUTIONS:
• At low battery warning, connect the Rad-8 Pulse Oximeter to AC
power to prevent interruption of power.
• Additional information on the Rad-8 Pulse Oximeter batteries may be
found in the Rad-8 Pulse Oximeter Operator’s Manual.
Note: If the Rad-8 Pulse Oximeter has not been charged for 1 month or
more, then recharge the battery prior to use.
3.2 Replacing the Battery
3.2.1 Turn the Rad-8 Pulse Oximeter off and remove the patient cable
connection.
3.2.2 Place the unit on its side with the rubber footings touching the
surface.
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 3.2.1
through 3.2.6 to re-assemble.
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.