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19
4. MAINTENANCE
4.1 Maintenance
Regular maintenance is essential for good performance. Check the items listed in the table below
at the suggested interval to help keep your equipment in good shape for years to come.
Item Check point, action Check interval
Transducer cables Check that cables are tightly fastened and are not
damaged. Refasten if necessary. Replace if dam-
aged.
Once a month
Power cable, sensor
cable
Check that these cables are tightly fastened and
not damaged. Refasten if necessary. Replace if
damaged.
Once a month
Ground Check for corrosion. Clean if necessary. Once a month
Power supply voltage Check voltage. If out of rating correct problem. Once a month
Cleaning the network
sounder’s cabinet
Dust or dirt on the cabinet may be removed with a
dry cloth. Do not use chemical-based cleaners to
clean the cabinet; they can remove markings and
damage the cabinet.
Once a month
Transducer Marine life on the transducer face will result in a
gradual decrease in sensitivity. Check the trans-
ducer face for cleanliness each time the boat is
dry-docked. Carefully remove any marine life with
a piece of wood or fine-grade sandpaper.
When vessel is
dry-docked
WARNING
ELECTRICAL SHOCK HAZARD
Do not open the equipment.
Only qualified personnel
should work inside the
equipment.
NOTICE
Do not apply paint, anti-corrosive
sealant or contact spray to coating
or plastic parts of the equipment.
Those items contain organic solvents
that can damage coating and plastic
parts, especially plastic connectors.
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