JMA-2343/2344 - ProNav

9.10 Maintenance
9.10.1 General maintenance
It is necessary to perform the maintenance services listed below to keep the radar unit
in good working conditions. Proper maintenance of the radar unit minimizes the possibility
of machine failures. The maintenance operations that are common to all components
of the radar unit are listed below.
1. Cleaning
Remove dirt, dust, or water-spray from the radar unit enclosure and keep it as clean as
possible. Use a dry lint-free cloth.
2. Screw inspection
Check the screws used to assemble and secure the components of the radar unit for
loose connection.
3. Cabling check
Check the cables connecting between the components (between the scanner unit and
display unit, display unit and power supply, and display unit and optional devices) for
poor connection.
WARNING
Before starting maintenance work, be sure to turn off the main power source.
If a rectifier unit is used, in particular, turn off power to the display unit. Note
that voltages from the rectifier unit are always present even if the radar is
stopped. It may result in sereve electric shock or breakdown.
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