Nikon RADIUS CM200 Bedienungsanleitung Seite 15

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Chapter 2
MAINTENANCE
1.0 Introduction
This chapter provides details about the following:
Preventive maintenance (inspection and cleaning).
Safe handling of CMOS and LDMOS devices.
Disassembly and reassembly of the radio.
Repair procedures and techniques.
Installation of Option Boards.
2.0 Preventive Maintenance
The radios do not require a scheduled preventive maintenance program; however, periodic visual
inspection and cleaning is recommended.
2.1 Inspection
Check that the external surfaces of the radio are clean, and that all external controls and switches
are functional. It is not recommended to inspect the interior electronic circuitry.
2.2 Cleaning Procedures
The following procedures describe the recommended cleaning agents and the methods to be used
when cleaning the external and internal surfaces of the radio. External surfaces include the front
cover and housing assembly. These surfaces should be cleaned whenever a periodic visual
inspection reveals the presence of smudges, grease, and/or grime.
The only recommended agent for cleaning the external radio surfaces is a 0.5% solution of a mild
dishwashing detergent in water. The only factory recommended liquid for cleaning the printed circuit
boards and their components is isopropyl alcohol (70% by volume).
Cleaning External Plastic Surfaces
Apply the 0.5% detergent-water solution sparingly with a stiff, non-metallic, short-bristled brush to
work all loose dirt away from the radio. Use a soft, absorbent, lintless cloth or tissue to remove the
solution and dry the radio. Make sure that no water remains entrapped near the connectors, cracks,
or crevices.
NOTE
Internal surfaces should be cleaned only when the radio is disassembled for service or
repair.
CAUTION: The effects of certain chemicals and their vapors can have harmful results on
certain plastics. Avoid using aerosol sprays, tuner cleaners, and other chemicals.
!
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