Kelvin Hughes Limited DTX-A1 Manuel D’Utilisation
Ra dar Sen sor Maintenance
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Radar Sensor maintenance is provided in the Ship's Manual for the radar sensor. The only
information provided here is general information on working aloft and information on
information provided here is general information on working aloft and information on
lifed components.
WARNING
ANTENNA RO TATION: BE FORE MAINTENANCE TO THE TURN ING
MECHANISM TAKES PLACE, DIS ABLE ANTENNA RO TATION.
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When work ing aloft, en sure that it is brought to the at ten tion of some one in au thority at
deck or at ground level and that suit ably placed warning no tices are posted warn ing that
deck or at ground level and that suit ably placed warning no tices are posted warn ing that
work aloft is in prog ress. En sure that the means of ac cess aloft is se cure and be ware of wet or
slippery lad der rungs and work ing ar eas.
slippery lad der rungs and work ing ar eas.
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When work ing on or near a ra dar antenna and other mov ing or RF ra diating equip ment,
ensure that it is switched off and that the fuses have been re moved and re tained.
ensure that it is switched off and that the fuses have been re moved and re tained.
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If the Radar Sensor is fitted with a Drive Control Unit, ensure the keyswitch on the top of
the unit is set to OFF and the key is withdrawn before going aloft. Note that the key is
the unit is set to OFF and the key is withdrawn before going aloft. Note that the key is
retained when set to the ON position and cannot be removed. Switching the Drive Control Unit to
OFF and removing the key ensures the antenna cannot rotate.
OFF and removing the key ensures the antenna cannot rotate.
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On radar sensors fitted with a Transmitter Interface Unit, ensure the power On/Off
switch is set to OFF and if possible, remove the fuses. This unit does not have a
switch is set to OFF and if possible, remove the fuses. This unit does not have a
keyswitch.
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Refer to the Ship's Manual for the Radar Sensor for further details of man aloft safety
procedures.
procedures.
Lifed Com po nents
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The conventional Radar Sensor contains a magnetron, which is a lifed item. Refer to the
Ship's Manual for the Radar Sensor for details of the magnetron and its replacement
Ship's Manual for the Radar Sensor for details of the magnetron and its replacement
procedure. The magnetron performance is checked using the performance monitor as described
in this chapter.
in this chapter.
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The
SharpEye
TM
Radar Sensor has no lifed items.
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The backlights in the LCD display have a nominal life of up to 50,000 operating hours.
Therefore, the Visual Display Unit should be switched off when not in use to maximise
Therefore, the Visual Display Unit should be switched off when not in use to maximise
the life of the backlights. Backlight replacement is a specialist task and must be undertaken by a
Kelvin Hughes service engineer or approved agent.
Kelvin Hughes service engineer or approved agent.
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The fan filters need to be replaced when they can no longer be cleaned. Refer to the
Preventive Maintenance for details.
Preventive Maintenance for details.
Page 4.12
Issue 5 (Jan 09)
KH2060-4