General Maintenance - JRC JAN-7202 Instruction Manual

9.2

General Maintenance

Never attempt to check or repair the inside of the equipment.
Checking or repair by an unqualified person may cause a fire or an electric
shock.
Contact our head office, or a nearby branch or local office to request
servicing.
Never remove the cover of this equipment.
Touching the high-voltage section inside will cause an electric shock.
Do not attempt to disassemble or tamper with this equipment.
Otherwise, a fire, an electric shock, or a malfunction may occur.
When conducting maintenance, make sure to turn the main power off.
Failure may result in electric shock.
Turn off all the main powers before cleaning the equipment. Especially when
an UPS is used, make sure to turn it off since voltage is still outputted from
the UPS even after the indicator and the ECDIS are turned off. Failure may
result in equipment failure, or death or serious injury due to electric shock.
When conducting maintenance work, make sure to turn off the power so that
the power supply to the equipment is completely cut off.
Some equipment components can carry electrical current even after the
power switch is turned off, and conducting maintenance work may result in
electric shock, equipment failure, or accidents.
For operating this 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.
The general maintenance work common among each equipment is as follows.
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.
Section 9 Maintenance & Inspection
DANGER
9-14