Chapter 3: Installation
15
• Be clear of other through-hull fittings or projections.
• Have sufficient clearance inside the hull to fit the nut.
• Have 100 mm (4 in) of headroom to allow for withdrawal.
In addition to the above requirements, the depth transducer must be
mounted within 10
0
of the vertical, forward, aft and athwart ships.
Depth transducer maximum angle
D4350-2
InstrumentInstrument
InstrumentInstrument
Instrument
CAUTION:
The presence of moisture at the rear of the instrument could cause
damage either by entering the instrument through the breathing
hole or by coming into contact with the electrical connectors.
ST60 instruments can be fitted either above or below deck, provided
the rear of the instrument is sited where it is protected from contact
with water.
Each instrument must also be positioned where:
• It is easily read by the helmsman.
• It is protected against physical damage.
• It is at least 230 mm (9 in) from a compass.
• It is at least 500 mm (20 in) from radio receiving equipment.
• There is reasonable rear access for installation and servicing.
040_2c03.p65 09/08/99, 09:3215
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