Furuno CI-35, Installation Manual

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2-9
2.6 Hull (Transducer) Unit for CI-35
Mounting Considerations
Select a mounting place on the bottom, referring to chapter 1.
1. If necessary, weld a doubling plate (shipyard supply).
2. Unpack the transducer casing and determine the projecting length, making it 350
mm or more. Before cutting the casing, confirm that the transducer casing has
“direction”. Then, cut it considering the rising angle of the ship’s hull.
3. Make a hole for the thru-hull pipe in the hull bottom. Before welding the thru-hull
pipe, remove the rubber gasket from the thru-hull pipe. Weld the thru-hull pipe.
Replace the rubber gasket.
4. Spot-weld the joint of the casing, and then weld the casing to the hull bottom. To
prevent the casing from being deformed, note the following points.
a)
Do not remove the transducer fixing flange and fixing plate.
b)
Weld the casing to the hull bottom symmetry and equidistantly.
Fixing
Flange
Transducer Casing
Bow
Fig.2-12 Fixing Transducer Casing
Note:
Note: Note:
Note: Weld the casing in parallel with ship’s fore-aft line with an accuracy of better
than + 1º.
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