Nellcor OxiMax N-550, Service Manual

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N-550 55
D i s a s s e m b l y G u i d e
Introduction
WARNING: Do not operate the N - 550 after repair or maintenance has
been performed until the N - 550’s performance can be verified. Refer to
the Performance Verification on page 7, for performance tests and safety
tests. Failure to perform all tests could result in erroneous N
- 550
readings.
CAUTION: For better electromagnetic compatibility, ferrite cores are
installed on some wires of the N-550. During reassembly do not move or
remove the ferrite cores from their location.
The N-550 can be disassembled down to all major component parts,
including:
• PCBs
• Battery
• Top, Bottom, and Front Housing
• Speaker
• Power Entry Module (PEM)
The following tools are required:
• Phillips-head screwdriver #1
• Open-end wrench, 10 mm
• Flat-blade screwdriver
• Wire cutters
• Needle-nose pliers
• Torque wrench, 10 inch-pounds (1.13 Newton-meters)