Covidien Nellcor GR101704, Service Manual

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Repair
12-6 Service Manual
ensure the monitoring system passes all performance tests. If the symptom
persists, swap the known good PCB with the original suspect PCB and contin-
ue troubleshooting.
1.
Collect all tools prior to any disassembly of the monitoring system. Access and
repair is not possible without the use of the listed tools.
2.
Always disconnect the monitoring system from AC power and remove the hospi-
tal-grade power cord until completion of any repair.
3.
Prepare a clean, static-free work surface large enough to accommodate the unit
and its subassemblies. A container with cover to retain screws and small parts is
also helpful.

Note:
The battery charge procedure should be performed before repairs when possible.
12.4
Basic Preventive Maintenance
Replace the battery at least every two years. More frequent battery replacement
may be required, depending on usage and environment. Regularly check fuses
and replace as needed. The following subsection describes three primary tasks.
1.
Reference Fuse Removal and Replacement , p. 12-7, for replacing fuses.
2.
Reference Battery or Battery Access Door Replacement , p. 12-7, for battery and
battery access door replacement.
3.
Reference Rubber Feet Replacement , p. 12-8, for details regarding replacement of
the rubber feet.
Table 12-2. Required Equipment
Equipment Description
T-6, T-10, and T-15 torx driver 6-inch or more reach
10mm 1/4” socket Deep well
Small flat-blade screwdriver 6-inch or more reach
Needle nose pliers or 1/4-inch socket with driver --
Torque driver Up to 12 inch-pounds rating