Installation trunk
An installation trunk is required for hull unit installation. The installation trunk is not included in the standard delivery.
The installation trunk may be fabricated by the shipyard, or supplied by Kongsberg Maritime as an option. The drawings of the installation trunk and the blind flange are included in this manual.
The CS90 Fish Finding Sonar can be provided with one of the following hull units.
Hull Unit Part
number
Lowering
depth
Transducer
cables
Maximum
speed
CS90 439051 1.0 m 4.6 m 20 knots
439054 10 m 20 knots
CS94 439057 2.1 m 4.6 m 19 knots
439058 m 19 knots
Outline dimensions drawings:
- CS90: 439719
- CS94: 439723
Due to the different flange diameters, different installation trunks are used.
Installation trunk Part number In the box
CS90 408615 Installation trunk & Blind flange 051344
Upper diameter: 370 mm
Bottom diameter: 273 mm
CS94 427423 Installation trunk & Blind flange 207485
Upper diameter: 760 mm
Bottom diameter: 610 mm
434529 Installation trunk & Blind flange 207485
Upper diameter: 760 mm
Bottom diameter: 356 mm
The optional installation trunk offered by Kongsberg Maritime is approved by Det Norske Veritas (DNVGL), and includes a blind flange and a rubber gasket.
Note
If the installation trunk is manufactured locally, the installation shipyard is responsible for obtaining the approval certificates from the relevant national registry.