D i s a s s e m b l y G u i d e
Introduction
N-550
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)
55