JRC JLN-720 - Chapter 6 Maintenance and Inspection; 6.1 Routine Maintenance

6-1 Chapter 6 Maintenance and Inspection
6
Chapter 6 Maintenance and
Inspection
Customers shall never attempt to check or repair the inner of the equipment.
Checking or repair by an unqualified person may cause a fire or an electric
shock.
For maintenance, inspection of the internal section of the equipment, request
the store, nearest JRC agent, JRC marine service department, sales
department, regional office, branch or sales office.
In case you find smoke, unusual odor or extreme high heat coming from the
equipment, turn off the power immediately,
unplug the power supply cable
from an electric outlet, and contact the store, nearest JRC agent, JRC marine
service department, sales department, regional office, branch or sales office.
Keeping the equipment in operation under such condition may cause fire or
an electric shock.
6.1 Routine Maintenance
The life of equipment is determined by the degree of routine maintenance and inspection conditions. To
constantly maintain the equipment in good condition, it is recommended to carry out regular inspection.
This prevents equipment faults.
Regularly carry out the inspections that are listed in the table.
Notes
• Before inspecting the equipment, make sure that the power supply and the breaker is turned off.
• Do not use any organic solvent such as thinner or benzene t
o clean the surface of the
equipment. Failure to comply damages the surface coating. Clean the surface by removing any
rubbish and dust and wipe the surface with a clean cloth.
Maintenance and inspection method
Item
Maintenance inspection
Cleaning Remove any stains from the panel surface, knobs, switches, top cover, and
bottom cover by gently wiping with a dry cloth. Clean thoroughly the blades
of the air vent to improve the air flow. To clean the display, use a solution of
mild soap and water, if needed.
Loose parts Check for any loose screws, nuts, knobs, switches, and connectors and
correctly tighten any loose parts.
Cable connection Check the connections of equipment cables and connectors to ensure that
they are connected properly.
Fuse When the power supply fuse is blown, replace the fuse after thoroughly
checking the cause.