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INSTALLATION
2 Installation
2.1 Tools and materials needed
Scissors
Masking tape
Safety goggles
Dust mask
Electric drill
4 mm (9/64") drill for bracket holes
Chamfer bit or 6 mm (1/4") drill for
bracket holes in fiberglass
2.2 Mounting location
To ensure the best performance, the transducer must be
submerged in aeration and turbulence free water. Mount
the transducer as close to the centreline of the boat as
possible. On slower, heavier, displacement hulls,
positioning it farther from the centreline is acceptable.
On boats designed to direct air under hull, move the
transducer away from the centreline.
•
Single drive boat: Mount the transducer on the
side of the boat where the propeller is rotating
downward at least 75 mm (3") beyond the swing
radius of the propeller (see Figure 1).
•
Twin drive boat: Mount the transducer
between the drives.
Warning! Do not mount the transducer in an area of
turbulence or bubbles:
Near water intake or discharge openings.
Behind strakes, struts, fittings, or hull irregularities.
Behind eroding paint (an indication of turbulence).
19 mm (3/4") drill (optional) for transom hole
3 mm (1/8") drill for cable clamps holes
Straight edge / ruler
Marine sealant
Screwdrivers
Pencil
Tie-wraps
Water based antifouling paint (mandatory in salt water)
Figure 1. Mounting location on single drive boat
English
75 mm (3")
minimum beyond
swing radius
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