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3.1
Maintenance
Regular maintenance is important for good performance. Check the points mentioned
below every 3 to 6 months to keep the antenna unit in good working order.
Check point
Check points every 3 to 6 months
Cable
Exposed
bolts and nuts
Radiator
Ground con-
nection
Check points every year
Action
Check that all cables are firmly
connected and are not damaged.
Check that bolts and nuts are not
corroded and are securely fas-
tened.
Dust, dirt and salt deposits on
the radiator cause signal attenu-
ation, resulting in loss of sensitiv-
ity.
Check for tight connection and
rust.
Check the scanner unit for rust,
corrosion and chipped paint.
3. MAINTENANCE, TROUBLE SHOOTING
Remedy, remarks
• Connect a cable if it has loosened.
• Replace damaged cables.
• Replace corroded bolts.
• Tighten loosened bolts.
• Coat new bolts with marine sealant.
• Wipe radiator with a freshwater-
moistened cloth.
• The radiator is made of AES (Acry-
lonitrile-Ethylene-Styrene) resin.
Therefore, do not used gasoline,
benzene and the like to clean the ra-
diator.
• If the radiator is iced, use a wooden
or plastic headed hammer to re-
move the ice. DO NOT use a steel
hammer.
• Fasten if loosened.
• Remove rust if present.
• If the scanner unit has rusted or the
paint has chipped, paint the affected
area.
• Paint only the scanner unit. Do not
paint the antenna (see figure be-
low). Paint on the antenna can
cause loss of sensitivity and crack
the antenna.
: Do NOT paint.
: Painting area
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