Maintenance And Troubleshooting; Maintenance - Furuno FCV-38 Manual

6. MAINTENANCE AND TROUBLE-
SHOOTING
This chapter contains maintenance and troubleshooting procedures for the operator.
If you suspect trouble, do not attempt to check inside any unit. Refer any repair work
to a suitably qualified technician.
WARNING
ELECTRICAL SHOCK HAZARD
Do not open the equipment.
This equipment uses high
voltage that can cause
electrical shock. Only quali-
fied persons can work inside
the equipment.
6.1

Maintenance

Regular maintenance is essential for good performance. Check the points shown in
the table below to keep the equipment in good working order.
Check Point
Cables
Connectors on
units
Ground on
units
Dust
Transducer
Action
Check that all cabling is firmly con-
nected and is not damaged.
Check for tight connection.
Check for tight connection and rust.
Remove the dust or dirt from the units
with a soft, dry cloth.
Marine life on the transducer face will
result in a gradual decrease in sensi-
tivity. Check the transducer face for
cleanliness each time the boat is dry-
docked.
NOTICE
Do not apply paint, anti-corrosive
sealant or contact spray to plastic
parts or equipment coating.
Those items contain products that can
damage plastic parts and equipment
coating.
Remedy, remarks
• Connect the cable if it has
loosened.
• Replace damaged cables.
• Reconnect as necessary.
• Fasten if loosened.
• Remove rust if present.
• Do not use chemical-based
cleaners to clean the equip-
ment because they can re-
move paint and markings.
• Carefully remove any ma-
rine life to prevent the dam-
age to the transducer.
• Do not paint (including hull
paint) the transducer.
• Do not use chemical-based
cleaners to clean the trans-
ducer.
6
6-1