Chapter 14 MTR3000 Maintenance and Disassembly/
Reassembly
14.1 Introduction
This chapter provides details about the following:
• Routine maintenance
• Preventive maintenance (inspection and cleaning)
• Safe handling of Complementary Metal-Oxide Semiconductor (CMOS) devices
• Disassembly and reassembly of the base station/repeater
• Repair procedures and techniques.
14.2 Routine Maintenance
The base station/repeater and ancillary equipment have been designed with state-of-the-art
technology and operate under software control, thus requiring minimal routine maintenance. Virtually
all base station/repeater operating parameters are monitored and self-corrected by the Station
Control Module (SCM) and the firmware it runs, which makes adjustments and tuning virtually
unnecessary.
Provided that the equipment is installed in an area which meets the specified environmental
requirements, the only routine maintenance task required is the calibration of the base station/
repeater reference oscillator circuit.
14.3 Preventive Maintenance
Periodic visual inspection and cleaning is recommended.
14.3.1 Inspection
Check that the external surfaces of the base station/repeater are clean, and that all external controls
and connections are in order. It is not recommended to inspect the interior electronic circuitry.
14.3.2 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 repeater. External surfaces include the top
cover and repeater enclosure.
Periodically clean smudges and grime from exterior enclosure. Use a soft, non-abrasive cloth
moistened in a 0.5% solution of mild dishwashing detergent and water solution. Rinse the surface
using a second cloth moistened in clean water, and clean any dirt or debris from the fan grill and
louvers on the front side.
Note
It is recommended that the base station/repeater is cleaned with a soft dry cloth while in
service.
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