2-1
Chapter 2 Maintenance
2.1 Introduction
This chapter provides details about the following:
• Routine Maintenance
• Preventive maintenance (inspection and cleaning)
• Safe handling of CMOS devices
• Repair procedures and techniques
• Recommended Test Equipment
• Service Aids.
2.1.1 Routine Maintenance
The station and ancillary equipment have been designed with state-of-the-art technology and
operate under software control, thus requiring minimal routine maintenance. Virtually all station
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 station reference
oscillator circuit.
2.1.2 Preventive Maintenance
Periodic visual inspection and cleaning is recommended.
2.1.2.1 Inspection
Check that the external surfaces of the repeater are clean. It is not recommended to inspect the
interior electronic circuitry.
2.1.2.2 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 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% mild dishwashing detergent-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 station is cleaned with a soft dry cloth while in service.
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