JRC JMA-3400 Series, Instruction Manual, Page: 243 / 314

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Chapter 10 MAINTENANCE AND CHECK
Chapter 10 MAINTENANCE AND CHECK
10.1 ROUTINE MAINTENANCE
DANGER
Never carry out internal inspection or repair work of the equipment by
users. Inspection or repair work by unauthorized personnel may result in
fire hazard or electric shock.
For inspection and repair work of equipment components, consult with our
branch office, branch shop, sales office, or our distributor in your district.
When conducting maintenance, make sure to turn the main power off.
Failure to comply may result in electrocution.
Turn off the main power before cleaning the equipment. Especially when a
rectifier is used, make sure to turn it off since voltage is still outputted from
the rectifier even after the indicator and the radar are turned off. Failure to
comply may result in equipment failure, or death or serious injury due to
electric shock.
For operating the radar equipment in the good conditions, it is necessary to make the maintenance
work as described below. If maintenance is made properly, troubles will reduce.
It is recommended to make regular maintenance work.
Common points of maintenance for each unit are as follow:
Clean the equipment.
Remove the dust, dirt, and sea water rest on the equipment cabinet with a piece of dry cloth.
Especially, clean the air vents with a brush for good ventilation.