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3/Maintenance, Troubleshooting, and Service
Repair procedures
Follow the procedures in this section to inspect the oximeter for damage and
replace damaged or defective parts.
WARNING:
Electrical shock and flammability hazard. Power off the oximeter before cleaning or
servicing.
CAUTION:
Maintenance and repair.
«An
operator may perform only maintenance procedures specifically described in this manual.
Refer servicing to qualified service personnel who are trained in the repair of this equipment.
«
Internal electronic components are susceptible to damage by electrostatic discharge. To avoid
damage when disassembling the oximeter, observe the standard precautions and procedures
for handling static-sensitive components.
Tools and equipment
e
Phillips screwdriver (#1)
e
Small, flat-blade screwdriver
Disassembling the oximeter
Important: As you disassemble the oximeter, carefully set aside each part you
plan to reinstall when you assemble the oximeter.
Inspect the interior of the oximeter for damage or debris. Inspect all parts for
damage. Remove debris and replace visibly damaged parts.
Note: All parts are shown in Assembly drawing later in this chapter.
Oz
1.
Power off the oximeter and disconnect the sensor.
O,
Turn the oximeter face down and loosen the screw that secures the battery
door. Remove the door and the batteries.
3.
Remove the 3 screws that secure the back case to the front case.
4.
To separate the back case from the bumper, pull gently on the sensor
connector and the battery door slots. When the bumper between the sensor
connector and back case is loose, lift it slightly. Remove the sensor connector
and back case from the bumper.
5.
Grasp the edges of the circuit board. Slowly tilt it from side-to-side as you pull
the back case away from the battery contacts. Do not bend or apply pressure
to the battery contacts.
6.
Grasp the sensor connector cable where it connects to the circuit board. Pull
gently to disconnect the cable from the board.
7.
Slide the bumper out of the front case slots. While removing the bumper, do
not press against the lens (from inside or outside).
8.
Lift the button cover from the small posts that secure it inside the front case.
3-5
wt
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Troubleshooting
