Chapter 2: Transducer Installation 41
Figure 2-12: Applying Antifouling Paint
Installation
Note:
To install the thru-hull transducer in a cored fiberglass hull, follow the instructions
in Installation in a Cored Fiberglass Hull on page 48.
Drilling Holes
CAUTION:
Always wear safety goggles and a dust mask when drilling.
1. Drill a 1/8" (3 mm) pilot hole perpendicular to the water line from inside the
hull (see Figure 2-9 ).
If there is a rib or strut near the mounting location, drill from the outside.
If the pilot hole is drilled in the wrong location, drill a second hole in a better
location. Apply masking tape to the outside of the hull over the incorrect hole
and fill it with epoxy.
Housing Paddlewheel
insert
Paint exposed housing
and bore up to 1.1/4" (30 mm)
Lower
'O' ring
Paint outside wall below the lower 'O' ring including
exposed end, paddlewheel cavity and paddlewheel
D4859-2
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