Chapter 5 Installation CVS-126
5-6 0093132702-08
Caution: Fishing boats may have structure with FRP contained air bubbles and foamed
materials that would prevent ultrasound from penetration. Therefore, the location
convenient for installation may not be locations where attenuation of ultrasound is low
enough.
In case of Through-hull
Install the transducer directly to the ship’s bottom
Installation Procedure
(1) Select the installing location.
(2) Remove the fixing nut and one piece of rubber packing.
(3) If the slope of ship’s bottom is greater than 5°, make a wooden base to fit to the slope of ship’s
bottom. To reduce the water resistance, cut the bow direction tip of wooden base at the outer side
of ship’s bottom in the triangle shape.
(4) Make holes at the installing location. If the wooden base is used, make holes in the wooden base.
(5) Thread the rubber packing in the transducer and then the cable.
(6) To prevent water from seeping through the gap between the transducer and the hole, fill out the
gap with FRP or silicon glue. (Glue the wooden base likewise.)
(7) Thread the rubber packing and fix it with the fixing nut firmly.
(8) Connect the transducer cable to the connector of CVS-126 Display unit.
Figure 5.7 Through-hull Installation
In case that the slope of ship
,
s bottom is less than 5
Fixing nut
Fixing nut
Rubber packing
Rubber packing
Rubber packing
Rubber packing
Less than 5
Transduce
Transducer
Ship
,
s bottom
Ship
,
s bottom
In case that the slope of ship
,
s bottom is greater than 5
Wooden base
Wooden base
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