Technology Corporation Transducer B54. For the latest version of these instructions,
see the materials provided with the transducer.
17-621-01-rev. 02 01/06/17
INSTALLATION INSTRUCTIONS
WARNING
Installation of the anti-rotation bolt is mandatory!
The anti-rotation bolt holds the fairing firmly in place. Failure to install the anti-
rotation bolt may result in the fairing rotating while the boat is underway. The
effect may be violent movement and loss of steering.
This could result in serious
injury or death to passengers and/or damage to the boat or other property.
B54 Depth Transducer with Temperature Sensor & High-Performance Fairing
Applications
• Bronze transducer recommended for fiberglass or wood hull.
• Maximum deadrise angle of 24°
Tools & Materials
Safety goggles
Dust mask
Ear plugs
Electric drill
Drill bits and hole saws:
Pilot hole 3mm or 1/8"
mm1545Bor 2"
Anti-rotation bolt 11mm or 7/16"
Angle finder
Band saw (sharp blade)
Rasp
or power tool
Sandpaper
Mild household detergent
or weak solvent (such as alcohol)
Marine sealant (suitable for below waterline)
Slip-joint pliers
Mallet
Grommets (some installations)
Cable ties
Water-based anti-fouling paint (mandatory in salt water )
Installation in a cored fiberglass hull (see page 4)
Hole saw for hull interior—transducer min. 65mm or 2-5/8"
Drill bit for hull interior—anti-rotation bolt min. 25mm or 1"
Cylinders, wax, tape, and casting epoxy
triangular
cutting
recess for
anti-rotation bolt
guide
Follow the precautions below for optimal product
performance and to reduce the risk of property damage,
personal injury, and/or death.
WARNING: A High-Performance Fairing must be installed
following the installation instructions that accompany the fairing.
WARNING: Always wear safety goggles, a dust mask, and
ear plugs when installing.
WARNING: The fairing must be installed parallel to the keel
to ensure proper boat handling.
WARNING: Do not install a fairing that has been mis-cut.
Replace it.
• Cutting the fairing at an angle greater than the maximum
allowed will cut into the transducer and/or bolt pocket,
thus weakening the fairing.
• Do not allow any gap between the fairing and the hull that is
greater than 3mm (1/8"). When the boat is underway,
water will enter any gaps and push against the fairing with
considerable force, possibly rotating it.
WARNING: Immediately check for leaks when the boat is
placed in the water. Do not leave the boat unchecked for
more than three hours. Even a small leak may allow
considerable water to accumulate.
CAUTION: Never mount a bronze transducer in a metal hull,
because electrolytic corrosion will occur.
CAUTION: Never install a bronze transducer on a vessel
with a positive ground system.
CAUTION: Never pull, carry, or hold the transducer by the
cable as this may sever internal connections.
CAUTION: Never strike the transducer.
CAUTION: Do not over-tighten the hull nut and the nut on
the anti-rotation bolt, crushing the fairing and/or hull.
CAUTION: The transducer and the yellow triangular plug
must be flush with the fairing for smooth water flow under the
transducer.
CAUTION: Never use solvents. Cleaner, fuel, sealant, paint,
and other products may contain solvents that can damage
plastic parts, especially the transducer’s face.
IMPORTANT: Read the instructions completely before
proceeding with the installation. These instructions supersede
any other instructions in your instrument manual if they differ.
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