AP-8
APPENDIX 4 INSTALLATION OF
TRANSDUCER TM54
This appendix provides a copy of the installation instructions and Installation supplement for the
AIRMAR
®
Technology Corporation Transducer TM54. For the latest version of these instructions,
see the materials provided with the transducer.
17-299-04 rev. 02 08/21/17
Transom Mount, 1kW with Release Bracket
Depth Transducer
with Temperature Sensor
Model TM54
Tools & Materials
Safety goggles
Dust mask
Angle finder
Masking tape (some installations)
Pencil
Electric drill
Drill bits and hole saws:
Bracket holes 5mm, #4, or 7/32"
Transom hole (optional) 21mm or 13/16"
Cable clamp holes 3 mm or 1/8"
Marine sealant (suitable for below waterline)
Socket wrench
Straight edge
Small screwdriver
Grommet(s) (some installations)
Cable ties
Water-based anti-fouling paint (mandatory in salt water )
Applications
• Recommended for outboard and inboard/outboard sport fishing
powerboats 8m (25') and up
• Not recommended for inboard powerboats
• Not recommended for stepped hulls
• Adjusts to transom angles from 3°–21°
• Bracket protects transducer from frontal impact only
Mounting Location
Guidelines
CAUTION: Do not mount the transducer in line with or near water
intake or discharge openings or behind strakes, fittings, or hull
irregularities that may disturb the water flow.
CAUTION: Avoid mounting the transducer where the boat may be
supported during trailering, launching, hauling, or storage.
• For best performance, the transducer’s face must be in contact
with smooth water. To identify an area of “clean” water, observe
the flow off the transom while the boat is underway.
• Allow space above the bracket for it to release and rotate the
transducer upward.
• Mounting on the side of the transom where the propeller blades
are moving downward is preferred (see Figure 1).
• Mount the transducer as far away from the propeller as possible
while ensuring the transducer’s face remains in the water when
the boat is turning.
Record the information found on the cable tag for future reference.
Part No.________________ Date___________ Frequency________ kHz
Follow the precautions below for optimal
product performance and to reduce the risk of
property damage, personal injury, and/or death.
WARNING: Always wear safety goggles and a dust
mask when installing.
WARNING: When the boat is placed in the water,
immediately check for leaks around the screws and
any other holes drilled in the hull.
CAUTION: Never pull, carry, or hold the transducer by
the cables as this may sever internal connections.
CAUTION: Never strike the transducer to release it.
When mounted on the bracket, remove the transducer
by removing the locking pin and hinge pin.
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: Please read the instructions completely
before proceeding with the installation. These
instructions supersede any other instructions in your
instrument manual if they differ.
TM54
bracket with shims in
operational position
INSTALLATION INSTRUCTIONSOWNER’ S GUIDE &
Figure 1. Mounting location on single drive boat
Copyright © 2009 - 2017 Airmar Technology Corp.
NOTES:
-To avoid noise interference, it is recommended that the propeller is
located outside the transducer beam coverage of 120°.
-Starboard side of hull where propeller blades are moving downward is
hull projection
0–3mm (0–1/8")
parallel to
waterline
120°
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