Koden ESR-145, Operation Manual

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6-2
DAILY MAINTENANCE
CLEANING DISPLAY UNIT
Wipe off dust or salt crystals from the filter lightly with a soft wet cloth.
•
Using a dry or firm cloth may scratch the surface of display. Display with many
scratches shows the poor visibility of the screen.
•
Do not use any chemical cleaners to clean the ESR-145 Sonar .
•
Make sure to turn off the power before cleaning. Breathe out on the surface, and wipe
off dust from LCD display lightly with an absorbent cotton or clean soft cloth after
removing the filter.
If there is dust you can not wipe away, contact your local dealer or KODEN head office.
APPLYING GREASE
Apply grease regularly to the Hoist Gears (figure A)
and the Flange Opening (figure B).
Otherwise it may damage the unit.
•
You can apply grease to the Hoist Gears easily
when the Transducer unit is in down position.
Apply grease to the Flange Opening when
the Transducer unit is raised.
CLEANING TRANSDUCER UNIT
Since Transducer unit is installed in the bottom of the vessel, barnacle and oyster stick to
the Transducer unit. These barnacle and oyster disturb the smooth operation of the unit.
•
At the dry dock, remove oyster and barnacle sticking to the TD tank and the
Transducer unit.
Do not scratch the Transducer unit while removing them.
•
Do not paint the Transducer unit. Otherwise it will result in poor sonar performance.