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3. MAINTENANCE,
TROUBLESHOOTING
This chapter describes the maintenance and troubleshooting procedures which the
user can follow to maintain the performance of the equipment and restore normal op-
eration. Before performing any maintenance or inspection, review the information be-
low and the safety instructions at the beginning of this manual. If normal operation
cannot be restored, do not attempt to check inside the equipment. Contact a FURUNO
agent or dealer for service.
3.1 Maintenance
Regular maintenance is important for good performance. Check the points mentioned
below every 3 to 6 months to keep the sensor in good working order. Observe the
safety instructions at the front of this manual when working on the mast.
Check Checkpoint Action
Cabling Confirm that all cabling is tightly con-
nected and is not damaged.
• Confirm that all cables are firmly
connected.
• If a cable is damaged, replace it.
Nuts and bolts of
antenna unit
Nuts and bolts are exposed to sea
breeze and wind and rain, and corrode
over time. Check for corrosion and
looseness.
• Replace corroded bolts.
• Tighten loosened bolts.
• Coat new bolts and nuts with marine
sealant.
Ground terminal
of antenna unit
Confirm that the ground terminal is not
loose or rusted, and that the ground
wire is securely fastened.
• Tighten loosened ground wire.
• If rust is present, remove it.
NOTICE
Do not use paint, anti-corrosion
products, contact spray or other items
containing organic solvents on the
equipment.
Organic solvents can harm paint and
plastic, particularly the connectors.
WARNING
DO NOT OPEN THE SENSOR.
Electrical shock hazard
There are no user-serviceable parts
inside. Only qualified personnel are
allowed to work inside the equipment.
Wear a safety belt and hard hat
when working on the sensor.
Serious injury or death can result if
someone falls from the radar mast.
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